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Now · 9:40 AM

Armstrong Weather & Hourly Forecast

Canada · Ontario

Light thunderstorms
20°C
Light thunderstorms
Feels like: 20°C
💧 Humidity 92% 🌡 Pressure 1008 hPa 💨 Wind 18 km/h 👁 Visibility 7.3 km Clouds 100% ☀️ UV index 0.4 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Armstrong

Today
Light thunderstorms · 10:00 AM Light thunderstorms
20° 💧 0.6 mm 💨 18 km/h H 92%1008 hPa
Mostly cloudy · 1:00 PM Mostly cloudy
23° 💧 0.3 mm 💨 27 km/h H 76%1005 hPa
Mostly sunny · 4:00 PM Mostly sunny
25° 💧 0.1 mm 💨 22 km/h H 63%1002 hPa
Mostly sunny · 7:00 PM Mostly sunny
23° 💧 None 💨 22 km/h H 57%1001 hPa
Clear night · 10:00 PM Clear night
18° 💧 None 💨 23 km/h H 61%1003 hPa
Tomorrow
Overcast night · 1:00 AM Overcast night
16° 💧 None 💨 26 km/h H 62%1004 hPa
Mostly clear night · 4:00 AM Mostly clear night
14° 💧 None 💨 20 km/h H 63%1006 hPa
Sunny · 7:00 AM Sunny
12° 💧 None 💨 19 km/h H 69%1008 hPa
Overcast · 10:00 AM Overcast
14° 💧 0.0 mm 💨 25 km/h H 63%1010 hPa
Overcast · 1:00 PM Overcast
14° 💧 0.0 mm 💨 21 km/h H 59%1011 hPa
Mostly cloudy · 4:00 PM Mostly cloudy
15° 💧 None 💨 20 km/h H 56%1011 hPa
Sunny · 7:00 PM Sunny
14° 💧 None 💨 9 km/h H 67%1011 hPa
Clear night · 10:00 PM Clear night
10° 💧 None 💨 7 km/h H 76%1012 hPa
Friday
Clear night · 1:00 AM Clear night
💧 None 💨 7 km/h H 85%1013 hPa
Clear night · 4:00 AM Clear night
💧 None 💨 8 km/h H 87%1013 hPa
Mostly sunny · 7:00 AM Mostly sunny
💧 None 💨 8 km/h H 86%1014 hPa

In Armstrong and, more broadly, across the province of Ontario: This morning, across the region, skies are mainly cloudy with temperatures ranging from approximately 16 to 24 degrees Celsius. In many areas, there is a possibility of rain or showers developing later in the day, with some locations experiencing up to about 8.4 mm of rainfall and a maximum model probability of 100%. Winds are generally from the south, reaching up to around 22 km/h, with gusts potentially reaching 51 km/h. In parts of the region, this could bring breezy conditions, especially during any active showers. As we move into the afternoon, these unsettled conditions may persist, with ongoing chances of rain and gusty winds in some areas. The overall weather suggests a mainly cloudy day with periods of rainfall and moderate wind activity across the region.

15-Day Weather Outlook for Armstrong

TomorrowTomorrow Partly cloudy Partly cloudy 22°/12° 💧 None 💨 26 km/h
Friday, Sep 11Fri Sep 11 Partly cloudy Partly cloudy 22°/ 💧 None 💨 11 km/h
Saturday, Sep 12Sat Sep 12 Mostly sunny Mostly sunny 23°/14° 💧 1.6 mm 💨 21 km/h
Sunday, Sep 13Sun Sep 13 Light rain Light rain 18°/13° 💧 2.9 mm 💨 19 km/h
Monday, Sep 14Mon Sep 14 Overcast Overcast 17°/ 💧 None 💨 8 km/h
Tuesday, Sep 15Tue Sep 15 Moderate rain Moderate rain 20°/13° 💧 31 mm 💨 25 km/h
Wednesday, Sep 16Wed Sep 16 Overcast Overcast 16°/ 💧 0.7 mm 💨 24 km/h
Thursday, Sep 17Thu Sep 17 Partly cloudy Partly cloudy 17°/ 💧 None 💨 8 km/h
Friday, Sep 18Fri Sep 18 Overcast Overcast 17°/14° 💧 6.3 mm 💨 14 km/h
Saturday, Sep 19Sat Sep 19 Mostly sunny Mostly sunny 15°/ 💧 0.3 mm 💨 23 km/h
Sunday, Sep 20Sun Sep 20 Partly cloudy Partly cloudy 12°/ 💧 None 💨 14 km/h
Monday, Sep 21Mon Sep 21 Light rain Light rain 13°/10° 💧 4.6 mm 💨 21 km/h
Tuesday, Sep 22Tue Sep 22 Overcast Overcast 17°/ 💧 0.1 mm 💨 17 km/h
Wednesday, Sep 23Wed Sep 23 Moderate rain Moderate rain 19°/12° 💧 5.2 mm 💨 12 km/h
Thursday, Sep 24Thu Sep 24 Light rain Light rain 19°/16° 💧 2.5 mm 💨 10 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Armstrong

Vertical axis: °C · Color based on temperature
Light thunderstorms at 10:00 AM
68° Today 10:00 AM
Light rain at 11:00 AM
70° 11:00 AM
Overcast at 12:00 PM
74° 12:00 PM
Mostly cloudy at 1:00 PM
74° 1:00 PM
Light rain at 2:00 PM
75° Today 2:00 PM
Mostly sunny at 3:00 PM
76° 3:00 PM
Mostly sunny at 4:00 PM
78° 4:00 PM
Sunny at 5:00 PM
78° 5:00 PM
Sunny at 6:00 PM
76° Today 6:00 PM
Mostly sunny at 7:00 PM
73° 7:00 PM
Clear night at 8:00 PM
71° 8:00 PM
Clear night at 9:00 PM
68° 9:00 PM
Clear night at 10:00 PM
65° Today 10:00 PM
Partly cloudy night at 11:00 PM
63° 11:00 PM
Overcast night at 12:00 AM
62° 12:00 AM
Overcast night at 1:00 AM
61° 1:00 AM
Partly cloudy night at 2:00 AM
59° Tomorrow 2:00 AM
Partly cloudy night at 3:00 AM
58° 3:00 AM
Mostly clear night at 4:00 AM
57° 4:00 AM
Overcast night at 5:00 AM
55° 5:00 AM
Mostly clear night at 6:00 AM
56° Tomorrow 6:00 AM
Sunny at 7:00 AM
54° 7:00 AM
Sunny at 8:00 AM
53° 8:00 AM
Mostly sunny at 9:00 AM
55° 9:00 AM
Overcast at 10:00 AM
56° Tomorrow 10:00 AM
Overcast at 11:00 AM
57° 11:00 AM
Overcast at 12:00 PM
57° 12:00 PM
Overcast at 1:00 PM
58° 1:00 PM
Overcast at 2:00 PM
59° Tomorrow 2:00 PM
Overcast at 3:00 PM
59° 3:00 PM
Mostly cloudy at 4:00 PM
59° 4:00 PM
Mostly cloudy at 5:00 PM
59° 5:00 PM
Partly cloudy at 6:00 PM
58° Tomorrow 6:00 PM
Sunny at 7:00 PM
57° 7:00 PM
Partly cloudy night at 8:00 PM
55° 8:00 PM
Clear night at 9:00 PM
53° 9:00 PM
Clear night at 10:00 PM
50° Tomorrow 10:00 PM
Clear night at 11:00 PM
49° 11:00 PM
Clear night at 12:00 AM
48° 12:00 AM
Clear night at 1:00 AM
47° 1:00 AM
Clear night at 2:00 AM
46° Friday 2:00 AM
Clear night at 3:00 AM
47° 3:00 AM
Clear night at 4:00 AM
47° 4:00 AM
Clear night at 5:00 AM
47° 5:00 AM
Clear night at 6:00 AM
46° Friday 6:00 AM
Mostly sunny at 7:00 AM
46° 7:00 AM
Sunny at 8:00 AM
50° 8:00 AM
Mostly sunny at 9:00 AM
54° 9:00 AM
Mostly sunny at 10:00 AM
58° Friday 10:00 AM
Mostly sunny at 11:00 AM
62° 11:00 AM
Mostly sunny at 12:00 PM
65° 12:00 PM
Mostly cloudy at 1:00 PM
67° 1:00 PM
Mostly cloudy at 2:00 PM
69° Friday 2:00 PM
Partly cloudy at 3:00 PM
70° 3:00 PM
Partly cloudy at 4:00 PM
71° 4:00 PM
Mostly sunny at 5:00 PM
71° 5:00 PM
Sunny at 6:00 PM
70° Friday 6:00 PM
Mostly sunny at 7:00 PM
65° 7:00 PM
Mostly clear night at 8:00 PM
62° 8:00 PM
Partly cloudy night at 5:00 AM
58° 5:00 AM
Sunny at 8:00 AM
59° Saturday 8:00 AM
Overcast at 11:00 AM
68° 11:00 AM
Overcast at 2:00 PM
70° 2:00 PM
Mostly sunny at 5:00 PM
73° 5:00 PM
Overcast night at 8:00 PM
64° Saturday 8:00 PM
Light rain at 11:00 PM
64° 11:00 PM
Mostly clear night at 2:00 AM
59° 2:00 AM
Mostly cloudy night at 5:00 AM
57° 5:00 AM
Mostly cloudy at 8:00 AM
56° Sunday 8:00 AM
Overcast at 11:00 AM
60° 11:00 AM
Partly cloudy at 2:00 PM
62° 2:00 PM
Mostly cloudy at 5:00 PM
63° 5:00 PM
Overcast night at 8:00 PM
57° Sunday 8:00 PM
Clear night at 11:00 PM
50° 11:00 PM
Clear night at 2:00 AM
46° 2:00 AM
Clear night at 5:00 AM
44° 5:00 AM
Sunny at 8:00 AM
46° Monday 8:00 AM
Sunny at 11:00 AM
57° 11:00 AM
Partly cloudy at 2:00 PM
62° 2:00 PM
Mostly sunny at 5:00 PM
62° 5:00 PM
Partly cloudy night at 8:00 PM
56° Monday 8:00 PM
Overcast night at 11:00 PM
59° 11:00 PM
Overcast night at 2:00 AM
61° 2:00 AM
Overcast at 8:00 AM
62° 8:00 AM
Moderate rain at 2:00 PM
67° Tuesday 2:00 PM
Overcast night at 8:00 PM
60° 8:00 PM
Clear night at 2:00 AM
56° 2:00 AM
Sunny at 8:00 AM
47° 8:00 AM
Sunny at 2:00 PM
48° Wednesday 2:00 PM
Partly cloudy night at 8:00 PM
62° 8:00 PM
Mostly cloudy night at 2:00 AM
56° 2:00 AM
Mostly cloudy at 8:00 AM
47° 8:00 AM
Partly cloudy at 2:00 PM
49° Thursday 2:00 PM
Overcast night at 8:00 PM
63° 8:00 PM
Overcast night at 2:00 AM
58° 2:00 AM
Overcast at 8:00 AM
57° 8:00 AM
Overcast at 2:00 PM
57° Friday 2:00 PM
Mostly clear night at 8:00 PM
59° 8:00 PM
Clear night at 2:00 AM
52° 2:00 AM
Mostly sunny at 8:00 AM
46° 8:00 AM
Sunny at 2:00 PM
43° Saturday 2:00 PM
Partly cloudy night at 8:00 PM
54° 8:00 PM
Overcast night at 2:00 AM
48° 2:00 AM
Overcast at 8:00 AM
45° 8:00 AM
Overcast at 2:00 PM
47° Sunday 2:00 PM
Overcast night at 8:00 PM
51° 8:00 PM
Light rain at 2:00 AM
49° 2:00 AM
Overcast at 8:00 AM
50° 8:00 AM
Overcast at 2:00 PM
55° Monday 2:00 PM
Overcast night at 8:00 PM
62° 8:00 PM
Clear night at 2:00 AM
52° 2:00 AM
Sunny at 8:00 AM
43° 8:00 AM
Sunny at 2:00 PM
44° Tuesday 2:00 PM
Partly cloudy night at 8:00 PM
66° 8:00 PM
Overcast night at 2:00 AM
58° 2:00 AM
Overcast at 8:00 AM
53° 8:00 AM
Moderate rain at 2:00 PM
53° Wednesday 2:00 PM
Partly cloudy night at 8:00 PM
67° 8:00 PM
Light rain at 2:00 AM
62° 2:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Armstrong

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 10:00 AM
PM2.5 Fine particles Fair 10,6µg/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 10,8µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 69,3µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 2,4µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Armstrong

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 2,0Low 🙂Fair
Tomorrow UV 1,1Low 🙂Fair
Friday UV 5,2Moderate 🙂Fair
Saturday UV 4,8Moderate 😐Moderate
Sunday UV 4,0Moderate 🙂Fair
Monday UV 5,0Moderate Unavailable
Tuesday UV 3,0Moderate Unavailable
Hourly UV index today
10:00 AMUV 0,7 11:00 AMUV 1,4 12:00 PMUV 1,6 1:00 PMUV 2,0 2:00 PMUV 1,3 3:00 PMUV 1,1 4:00 PMUV 2,0 5:00 PMUV 1,6 6:00 PMUV 0,7 7:00 PMUV 0,1
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.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

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 Armstrong

Vertical axis: km/h · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in km/h. Today 10:00 AM 11:00 AM 12:00 PM 1:00 PM Today 2:00 PM 3:00 PM 4:00 PM 5:00 PM Today 6:00 PM 7:00 PM 8:00 PM 9:00 PM Today 10:00 PM 11:00 PM 12:00 AM 1:00 AM Tomorrow 2:00 AM 3:00 AM 4:00 AM 5:00 AM Tomorrow 6:00 AM 7:00 AM 8:00 AM 9:00 AM Tomorrow 10:00 AM 11:00 AM 12:00 PM 1:00 PM Tomorrow 2:00 PM 3:00 PM 4:00 PM 5:00 PM Tomorrow 6:00 PM 7:00 PM 8:00 PM 9:00 PM Tomorrow 10:00 PM 11:00 PM 12:00 AM 1:00 AM Friday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Friday 6:00 AM 7:00 AM 8:00 AM 9:00 AM Friday 10:00 AM 11:00 AM 12:00 PM 1:00 PM Friday 2:00 PM 3:00 PM 4:00 PM 5:00 PM Friday 6:00 PM 7:00 PM 8:00 PM 5:00 AM Saturday 8:00 AM 11:00 AM 2:00 PM 5:00 PM Saturday 8:00 PM 11:00 PM 2:00 AM 5:00 AM Sunday 8:00 AM 11:00 AM 2:00 PM 5:00 PM Sunday 8:00 PM 11:00 PM 2:00 AM 5:00 AM Monday 8:00 AM 11:00 AM 2:00 PM 5:00 PM Monday 8:00 PM 11:00 PM 2:00 AM 8:00 AM Tuesday 2:00 PM 8:00 PM 2:00 AM 8:00 AM Wednesday 2:00 PM 8:00 PM 2:00 AM 8:00 AM Thursday 2:00 PM 8:00 PM 2:00 AM 8:00 AM Friday 2:00 PM 8:00 PM 2:00 AM 8:00 AM Saturday 2:00 PM 8:00 PM 2:00 AM 8:00 AM Sunday 2:00 PM 8:00 PM 2:00 AM 8:00 AM Monday 2:00 PM 8:00 PM 2:00 AM 8:00 AM Tuesday 2:00 PM 8:00 PM 2:00 AM 8:00 AM Wednesday 2:00 PM 8:00 PM 2:00 AM
Sustained wind Max gusts
NIGHT SKY · ARMSTRONG, ONTARIO

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 10:00 PM–11:00 PM.

94/100Best-hour score
BEST TIME TONIGHT 10:00 PM–11:00 PM Astronomical darkness: 9:32 PM–5:02 AM
Cloud cover 9% Real hourly forecast for the best viewing hour.
Moonlight 4% New Moon · Moon below the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 18° 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 min39%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
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

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.

Forecast data for Armstrong were last refreshed today at 9:40 AM. The current forecast period extends through 11/09/2026 at 7:00 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.