Clear night
Feels like 2°C
Wind direction east
Gusts 18 km/h
Humidity 94%
Cloud cover 0%
Pressure 1015 hPa
Now · 2:01 AM
Fort Simpson Weather & Hourly Forecast
Canada · Northwest Territories
5°C
Clear night
Feels like: 2°C
💧 Humidity 91%
🌡 Pressure 1015 hPa
💨 Wind 9 km/h
👁 Visibility 53.5 km
☁ Clouds 0%
☀️ UV index 0.0 · Low
🌅 Sunrise 7:55 AM
🌇 Sunset 7:57 PM
Hourly Forecast for Fort Simpson
Today
Clear night
Clear night
Feels like 1°C
Wind direction east
Gusts 19 km/h
Humidity 99%
Cloud cover 0%
Pressure 1015 hPa
Mostly sunny
Feels like 1°C
Wind direction southeast
Gusts 19 km/h
Humidity 98%
Cloud cover 27%
Pressure 1016 hPa
Partly cloudy
Feels like 5°C
Wind direction southeast
Gusts 21 km/h
Humidity 83%
Cloud cover 46%
Pressure 1016 hPa
Sunny
Feels like 10°C
Wind direction southeast
Gusts 14 km/h
Humidity 63%
Cloud cover 1%
Pressure 1015 hPa
Partly cloudy
Feels like 10°C
Wind direction east
Gusts 9 km/h
Humidity 57%
Cloud cover 39%
Pressure 1014 hPa
Mostly cloudy night
Feels like 5°C
Wind direction northeast
Gusts 8 km/h
Humidity 84%
Cloud cover 66%
Pressure 1014 hPa
Tomorrow
Mostly cloudy night
Feels like 2°C
Wind direction east
Gusts 19 km/h
Humidity 94%
Cloud cover 85%
Pressure 1015 hPa
Overcast night
Feels like 2°C
Wind direction east
Gusts 16 km/h
Humidity 97%
Cloud cover 98%
Pressure 1015 hPa
Partly cloudy night
Feels like 2°C
Wind direction southeast
Gusts 9 km/h
Humidity 97%
Cloud cover 58%
Pressure 1015 hPa
Mostly cloudy
Feels like 3°C
Wind direction south
Gusts 5 km/h
Humidity 98%
Cloud cover 77%
Pressure 1015 hPa
Mist
Feels like 6°C
Wind direction south
Gusts 11 km/h
Humidity 88%
Cloud cover 99%
Pressure 1015 hPa
Sunny
Feels like 9°C
Wind direction west
Gusts 14 km/h
Humidity 64%
Cloud cover 2%
Pressure 1013 hPa
Sunny
Feels like 9°C
Wind direction southwest
Gusts 10 km/h
Humidity 59%
Cloud cover 2%
Pressure 1012 hPa
Clear night
Feels like 5°C
Wind direction northeast
Gusts 2 km/h
Humidity 80%
Cloud cover 3%
Pressure 1011 hPa
Sunday
Clear night
Feels like 2°C
Wind direction southeast
Gusts 5 km/h
Humidity 94%
Cloud cover 1%
Pressure 1010 hPa
Today
Clear night
Feels like 2°C
Wind direction eastGusts 18 km/h
Humidity 94%Cloud cover 0%Pressure 1015 hPa
Clear night
Feels like 1°C
Wind direction eastGusts 19 km/h
Humidity 97%Cloud cover 0%Pressure 1015 hPa
Clear night
Feels like 1°C
Wind direction eastGusts 19 km/h
Humidity 98%Cloud cover 0%Pressure 1015 hPa
Clear night
Feels like 1°C
Wind direction eastGusts 19 km/h
Humidity 99%Cloud cover 0%Pressure 1015 hPa
Clear night
Feels like 0°C
Wind direction southeastGusts 19 km/h
Humidity 99%Cloud cover 0%Pressure 1015 hPa
Sunny
Feels like 0°C
Wind direction southeastGusts 19 km/h
Humidity 99%Cloud cover 2%Pressure 1016 hPa
Mostly sunny
Feels like 1°C
Wind direction southeastGusts 19 km/h
Humidity 98%Cloud cover 27%Pressure 1016 hPa
Mostly cloudy
Feels like 2°C
Wind direction southeastGusts 22 km/h
Humidity 96%Cloud cover 74%Pressure 1016 hPa
Overcast
Feels like 3°C
Wind direction southeastGusts 22 km/h
Humidity 90%Cloud cover 95%Pressure 1016 hPa
Partly cloudy
Feels like 5°C
Wind direction southeastGusts 21 km/h
Humidity 83%Cloud cover 46%Pressure 1016 hPa
Mostly cloudy
Feels like 7°C
Wind direction southeastGusts 19 km/h
Humidity 75%Cloud cover 73%Pressure 1016 hPa
Sunny
Feels like 8°C
Wind direction southeastGusts 16 km/h
Humidity 69%Cloud cover 2%Pressure 1015 hPa
Sunny
Feels like 10°C
Wind direction southeastGusts 14 km/h
Humidity 63%Cloud cover 1%Pressure 1015 hPa
Sunny
Feels like 10°C
Wind direction southeastGusts 13 km/h
Humidity 59%Cloud cover 2%Pressure 1014 hPa
Sunny
Feels like 11°C
Wind direction eastGusts 12 km/h
Humidity 56%Cloud cover 10%Pressure 1014 hPa
Partly cloudy
Feels like 10°C
Wind direction eastGusts 9 km/h
Humidity 57%Cloud cover 39%Pressure 1014 hPa
Partly cloudy
Feels like 9°C
Wind direction eastGusts 8 km/h
Humidity 67%Cloud cover 62%Pressure 1014 hPa
Partly cloudy night
Feels like 6°C
Wind direction northeastGusts 3 km/h
Humidity 75%Cloud cover 45%Pressure 1014 hPa
Mostly cloudy night
Feels like 5°C
Wind direction northeastGusts 8 km/h
Humidity 84%Cloud cover 66%Pressure 1014 hPa
Clear night
Feels like 4°C
Wind direction eastGusts 11 km/h
Humidity 89%Cloud cover 9%Pressure 1015 hPa
Mostly clear night
Feels like 3°C
Wind direction eastGusts 15 km/h
Humidity 91%Cloud cover 32%Pressure 1015 hPa
Tomorrow
Mostly cloudy night
Feels like 2°C
Wind direction eastGusts 19 km/h
Humidity 94%Cloud cover 85%Pressure 1015 hPa
Partly cloudy night
Feels like 2°C
Wind direction southeastGusts 19 km/h
Humidity 96%Cloud cover 57%Pressure 1015 hPa
Mostly cloudy night
Feels like 2°C
Wind direction eastGusts 19 km/h
Humidity 97%Cloud cover 84%Pressure 1015 hPa
Overcast night
Feels like 2°C
Wind direction eastGusts 16 km/h
Humidity 97%Cloud cover 98%Pressure 1015 hPa
Mostly cloudy night
Feels like 2°C
Wind direction southeastGusts 14 km/h
Humidity 97%Cloud cover 81%Pressure 1015 hPa
Partly cloudy night
Feels like 1°C
Wind direction southeastGusts 12 km/h
Humidity 97%Cloud cover 45%Pressure 1015 hPa
Partly cloudy night
Feels like 2°C
Wind direction southeastGusts 9 km/h
Humidity 97%Cloud cover 58%Pressure 1015 hPa
Mostly cloudy night
Feels like 2°C
Wind direction southeastGusts 5 km/h
Humidity 98%Cloud cover 74%Pressure 1015 hPa
Mostly cloudy
Feels like 2°C
Wind direction southeastGusts 5 km/h
Humidity 99%Cloud cover 86%Pressure 1015 hPa
Mostly cloudy
Feels like 3°C
Wind direction southGusts 5 km/h
Humidity 98%Cloud cover 77%Pressure 1015 hPa
Mist
Feels like 4°C
Wind direction southwestGusts 7 km/h
Humidity 98%Cloud cover 100%Pressure 1015 hPa
Fog
Feels like 4°C
Wind direction southwestGusts 9 km/h
Humidity 95%Cloud cover 100%Pressure 1015 hPa
Mist
Feels like 6°C
Wind direction southGusts 11 km/h
Humidity 88%Cloud cover 99%Pressure 1015 hPa
Mostly sunny
Feels like 7°C
Wind direction southwestGusts 12 km/h
Humidity 78%Cloud cover 26%Pressure 1014 hPa
Sunny
Feels like 8°C
Wind direction westGusts 14 km/h
Humidity 70%Cloud cover 5%Pressure 1013 hPa
Sunny
Feels like 9°C
Wind direction westGusts 14 km/h
Humidity 64%Cloud cover 2%Pressure 1013 hPa
Sunny
Feels like 10°C
Wind direction westGusts 14 km/h
Humidity 61%Cloud cover 10%Pressure 1012 hPa
Mostly sunny
Feels like 10°C
Wind direction westGusts 13 km/h
Humidity 59%Cloud cover 14%Pressure 1012 hPa
Sunny
Feels like 9°C
Wind direction southwestGusts 10 km/h
Humidity 59%Cloud cover 2%Pressure 1012 hPa
Sunny
Feels like 8°C
Wind direction southwestGusts 7 km/h
Humidity 71%Cloud cover 0%Pressure 1012 hPa
Clear night
Feels like 6°C
Wind direction westGusts 3 km/h
Humidity 77%Cloud cover 0%Pressure 1012 hPa
Clear night
Feels like 5°C
Wind direction northeastGusts 2 km/h
Humidity 80%Cloud cover 3%Pressure 1011 hPa
Clear night
Feels like 4°C
Wind direction eastGusts 3 km/h
Humidity 85%Cloud cover 0%Pressure 1011 hPa
Clear night
Feels like 3°C
Wind direction southeastGusts 4 km/h
Humidity 89%Cloud cover 0%Pressure 1011 hPa
Sunday
Clear night
Feels like 2°C
Wind direction southeastGusts 5 km/h
Humidity 94%Cloud cover 1%Pressure 1010 hPa
Clear night
Feels like 1°C
Wind direction southeastGusts 11 km/h
Humidity 96%Cloud cover 1%Pressure 1010 hPa
Clear night
Feels like 0°C
Wind direction eastGusts 15 km/h
Humidity 95%Cloud cover 0%Pressure 1010 hPa
Clear night
Feels like 0°C
Wind direction eastGusts 18 km/h
Humidity 94%Cloud cover 0%Pressure 1009 hPa
Clear night
Feels like 0°C
Wind direction eastGusts 21 km/h
Humidity 96%Cloud cover 0%Pressure 1009 hPa
Clear night
Feels like -1°C
Wind direction eastGusts 22 km/h
Humidity 97%Cloud cover 0%Pressure 1009 hPa
Clear night
Feels like -1°C
Wind direction southeastGusts 21 km/h
Humidity 98%Cloud cover 0%Pressure 1009 hPa
Clear night
Feels like -1°C
Wind direction southeastGusts 21 km/h
Humidity 99%Cloud cover 0%Pressure 1008 hPa
Sunny
Feels like -2°C
Wind direction southeastGusts 21 km/h
Humidity 99%Cloud cover 0%Pressure 1008 hPa
Sunny
Feels like -1°C
Wind direction southeastGusts 21 km/h
Humidity 98%Cloud cover 12%Pressure 1008 hPa
Partly cloudy
Feels like 0°C
Wind direction southeastGusts 23 km/h
Humidity 95%Cloud cover 59%Pressure 1007 hPa
Partly cloudy
Feels like 1°C
Wind direction southeastGusts 23 km/h
Humidity 88%Cloud cover 55%Pressure 1007 hPa
Mostly sunny
Feels like 3°C
Wind direction southeastGusts 22 km/h
Humidity 79%Cloud cover 32%Pressure 1007 hPa
Sunny
Feels like 5°C
Wind direction southeastGusts 20 km/h
Humidity 69%Cloud cover 9%Pressure 1006 hPa
Sunny
Feels like 7°C
Wind direction southeastGusts 20 km/h
Humidity 60%Cloud cover 5%Pressure 1005 hPa
Sunny
Feels like 8°C
Wind direction southeastGusts 20 km/h
Humidity 54%Cloud cover 5%Pressure 1005 hPa
Sunny
Feels like 8°C
Wind direction southeastGusts 20 km/h
Humidity 49%Cloud cover 3%Pressure 1004 hPa
Sunny
Feels like 9°C
Wind direction southeastGusts 20 km/h
Humidity 45%Cloud cover 3%Pressure 1004 hPa
Mostly sunny
Feels like 9°C
Wind direction southeastGusts 18 km/h
Humidity 47%Cloud cover 16%Pressure 1003 hPa
In Fort Simpson and, more broadly, across the territory of Northwest Territories: Mainly cloudy skies are expected across the region this evening, with temperatures generally ranging from 6 to 19 degrees Celsius in many areas. Some locations may experience light rain or showers, with the highest likelihood and amounts reaching around 1.5 mm. Winds will predominantly come from the south at up to 19 km/h, with gusts reaching approximately 37 km/h, potentially causing brief and localized gusty conditions. As night progresses, conditions are expected to remain unsettled, with the possibility of intermittent showers in parts of the region. Overall, residents should remain cautious of the changing weather patterns and brief gusts, especially if venturing outdoors later tonight.
15-Day Weather Outlook for Fort Simpson
TomorrowTomorrow
Mostly cloudy
12°/4°
💧 None
💨 11 km/h
Mostly cloudy
12°/4°
💧 None
💨 11 km/h
Daytime temperature 7°C
Feels like 6°C
Humidity 85%
Pressure 1014 hPa
Cloud cover 46%
Wind direction south
Gusts 19 km/h
Sunrise —
Sunset —
Sunday, Sep 27Sun Sep 27
Partly cloudy
12°/2°
💧 None
💨 12 km/h
Partly cloudy
12°/2°
💧 None
💨 12 km/h
Daytime temperature 6°C
Feels like 3°C
Humidity 82%
Pressure 1007 hPa
Cloud cover 11%
Wind direction southeast
Gusts 23 km/h
Sunrise —
Sunset —
TEMPERATURE OUTLOOK
Temperature & Weather Trends in Fort Simpson
AIR QUALITY FORECAST
Air Quality Forecast for Fort Simpson
Good
Nearest forecast value
3:00 AM
PM2.5 Fine particles Good 0,5µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 0,5µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 39,5µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 0,2µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
Good
Selected time
12:00 AM
PM2.5 Fine particles Good 0,6µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 0,6µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 50,3µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 0,3µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
Good
Selected time
12:00 AM
PM2.5 Fine particles Good 0,6µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 0,6µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 39,0µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 0,2µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
Good
Selected time
12:00 AM
PM2.5 Fine particles Good 0,8µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 0,8µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 52,8µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 0,2µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
Good
Selected time
12:00 AM
PM2.5 Fine particles Good 0,5µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 0,5µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 56,5µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 0,2µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
UV & HEALTH
UV, Sun & Health Outlook in Fort Simpson
Maximum daily UV
Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low
3–5 Moderate
6–7 High
8–10 Very high
11+ Extreme
Today
UV 2,2Low
😊Good
Tomorrow
UV 2,1Low
🙂Fair
Sunday
UV 2,1Low
🙂Fair
Hourly UV index today
7:00 AMUV 0,0
8:00 AMUV 0,0
9:00 AMUV 0,2
10:00 AMUV 0,6
11:00 AMUV 0,9
12:00 PMUV 1,3
1:00 PMUV 1,8
2:00 PMUV 2,1
3:00 PMUV 2,2
4:00 PMUV 2,0
5:00 PMUV 1,6
6:00 PMUV 1,1
Today's weather health advice
Open today's recommendations.
Low UV risk
UV radiation will be low, although basic protection is still advisable during prolonged exposure.
Good air quality
Air quality is good and outdoor activities can be enjoyed normally.
Comfortable temperature conditions
Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.
Good conditions for outdoor activities
Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.
WIND OUTLOOK
Hourly Wind Forecast for Fort Simpson
Sustained wind
Max gusts
NIGHT SKY · FORT SIMPSON, NORTHWEST TERRITORIES
Tonight's Stargazing & Shooting Stars
Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.
91/100Best-hour score
BEST TIME TONIGHT
5:00 AM–6:00 AM
Astronomical darkness: 10:33 PM–5:24 AM
Cloud cover
0%
Real hourly forecast for the best viewing hour.
Moonlight
98%
Full Moon · Moon about 9° above the horizon at the best viewing hour.
Meteor activity
Southern Taurids
Reference ZHR 7 · Radiant 43° high at the best hour.
Estimated visible meteors
0–2/hour
Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min34%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
ACTIVE NOW
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING
NOV 6–NOV 30
LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak
UPCOMING
Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.
DISCOVER WEATHER NEARBY Weather in other cities
Explore current conditions and forecasts for other locations.
Forecast data for Fort Simpson were last refreshed today at 2:01 AM. The current forecast period extends through 27/09/2026 at 12:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.