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Now · 3:26 AM

Smiths Falls Weather & Hourly Forecast

Canada · Ontario

Clear night
7°C
Clear night
Feels like: 4°C
💧 Humidity 87% 🌡 Pressure 1034 hPa 💨 Wind 9 km/h 👁 Visibility 40.6 km Clouds 0% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:51 AM 🌇 Sunset 7:01 PM

Hourly Forecast for Smiths Falls

Today
Clear night · 4:00 AM Clear night
💧 None 💨 10 km/h H 90%1034 hPa
Sunny · 7:00 AM Sunny
💧 None 💨 10 km/h H 92%1036 hPa
Sunny · 10:00 AM Sunny
12° 💧 None 💨 11 km/h H 70%1037 hPa
Sunny · 1:00 PM Sunny
17° 💧 None 💨 12 km/h H 54%1036 hPa
Sunny · 4:00 PM Sunny
18° 💧 None 💨 15 km/h H 44%1034 hPa
Sunny · 7:00 PM Sunny
13° 💧 None 💨 9 km/h H 67%1034 hPa
Clear night · 10:00 PM Clear night
11° 💧 None 💨 10 km/h H 79%1035 hPa
Tomorrow
Clear night · 1:00 AM Clear night
💧 None 💨 9 km/h H 83%1034 hPa
Clear night · 4:00 AM Clear night
💧 None 💨 7 km/h H 90%1034 hPa
Sunny · 7:00 AM Sunny
💧 None 💨 7 km/h H 93%1034 hPa
Sunny · 10:00 AM Sunny
13° 💧 None 💨 8 km/h H 69%1034 hPa
Sunny · 1:00 PM Sunny
18° 💧 None 💨 10 km/h H 47%1032 hPa
Sunny · 4:00 PM Sunny
19° 💧 None 💨 11 km/h H 49%1030 hPa
Clear night · 7:00 PM Clear night
14° 💧 None 💨 7 km/h H 75%1029 hPa
Clear night · 10:00 PM Clear night
12° 💧 None 💨 6 km/h H 85%1029 hPa
Friday
Clear night · 1:00 AM Clear night
10° 💧 None 💨 8 km/h H 88%1028 hPa

In Smiths Falls and, more broadly, across the province of Ontario: This morning across the region, mainly cloudy skies are expected to persist, with temperatures ranging from about 8 to 17 degrees Celsius. In many areas, conditions are expected to remain dry through the early hours. During the afternoon, skies will likely stay mostly cloudy, with temperatures remaining steady within the same range. Winds will predominantly come from the northeast at around 14 km/h, with gusts reaching up to 32 km/h at times. Overall, little to no precipitation is anticipated today, but the breeze from the northeast may cause some minor disturbances locally. No significant weather hazards are expected in the coming hours.

15-Day Weather Outlook for Smiths Falls

TomorrowTomorrow Sunny Sunny 18°/ 💧 None 💨 12 km/h
Friday, Sep 25Fri Sep 25 Mostly sunny Mostly sunny 21°/ 💧 None 💨 11 km/h
Saturday, Sep 26Sat Sep 26 Overcast Overcast 20°/ 💧 None 💨 15 km/h
Sunday, Sep 27Sun Sep 27 Light rain Light rain 18°/12° 💧 0.9 mm 💨 18 km/h
Monday, Sep 28Mon Sep 28 Overcast Overcast 18°/11° 💧 1.5 mm 💨 12 km/h
Tuesday, Sep 29Tue Sep 29 Overcast Overcast 21°/11° 💧 0.2 mm 💨 9 km/h
Wednesday, Sep 30Wed Sep 30 Mostly sunny Mostly sunny 22°/11° 💧 None 💨 8 km/h
Thursday, Oct 1Thu Oct 1 Mostly cloudy Mostly cloudy 19°/15° 💧 0.0 mm 💨 12 km/h
Friday, Oct 2Fri Oct 2 Overcast Overcast 25°/16° 💧 0.1 mm 💨 14 km/h
Saturday, Oct 3Sat Oct 3 Light rain Light rain 24°/17° 💧 9.4 mm 💨 15 km/h
Sunday, Oct 4Sun Oct 4 Light rain Light rain 20°/17° 💧 16 mm 💨 23 km/h
Monday, Oct 5Mon Oct 5 Overcast Overcast 20°/13° 💧 0.4 mm 💨 12 km/h
Tuesday, Oct 6Tue Oct 6 Light rain Light rain 17°/10° 💧 0.9 mm 💨 11 km/h
Wednesday, Oct 7Wed Oct 7 Mostly cloudy Mostly cloudy 12°/10° 💧 1.1 mm 💨 17 km/h

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Smiths Falls

Vertical axis: °C · Color based on temperature
Clear night at 4:00 AM
44° Today 4:00 AM
Clear night at 5:00 AM
44° 5:00 AM
Clear night at 6:00 AM
43° 6:00 AM
Sunny at 7:00 AM
43° 7:00 AM
Sunny at 8:00 AM
46° Today 8:00 AM
Sunny at 9:00 AM
50° 9:00 AM
Sunny at 10:00 AM
54° 10:00 AM
Sunny at 11:00 AM
57° 11:00 AM
Sunny at 12:00 PM
60° Today 12:00 PM
Sunny at 1:00 PM
63° 1:00 PM
Sunny at 2:00 PM
64° 2:00 PM
Sunny at 3:00 PM
65° 3:00 PM
Sunny at 4:00 PM
64° Today 4:00 PM
Sunny at 5:00 PM
63° 5:00 PM
Sunny at 6:00 PM
61° 6:00 PM
Sunny at 7:00 PM
55° 7:00 PM
Clear night at 8:00 PM
53° Today 8:00 PM
Clear night at 9:00 PM
52° 9:00 PM
Clear night at 10:00 PM
51° 10:00 PM
Clear night at 11:00 PM
50° 11:00 PM
Clear night at 12:00 AM
49° Tomorrow 12:00 AM
Clear night at 1:00 AM
48° 1:00 AM
Clear night at 2:00 AM
47° 2:00 AM
Clear night at 3:00 AM
46° 3:00 AM
Clear night at 4:00 AM
45° Tomorrow 4:00 AM
Clear night at 5:00 AM
44° 5:00 AM
Clear night at 6:00 AM
43° 6:00 AM
Sunny at 7:00 AM
43° 7:00 AM
Sunny at 8:00 AM
46° Tomorrow 8:00 AM
Sunny at 9:00 AM
51° 9:00 AM
Sunny at 10:00 AM
55° 10:00 AM
Sunny at 11:00 AM
59° 11:00 AM
Sunny at 12:00 PM
62° Tomorrow 12:00 PM
Sunny at 1:00 PM
64° 1:00 PM
Sunny at 2:00 PM
65° 2:00 PM
Sunny at 3:00 PM
66° 3:00 PM
Sunny at 4:00 PM
66° Tomorrow 4:00 PM
Sunny at 5:00 PM
65° 5:00 PM
Sunny at 6:00 PM
63° 6:00 PM
Clear night at 7:00 PM
57° 7:00 PM
Clear night at 8:00 PM
55° Tomorrow 8:00 PM
Clear night at 9:00 PM
54° 9:00 PM
Clear night at 10:00 PM
53° 10:00 PM
Clear night at 11:00 PM
52° 11:00 PM
Clear night at 12:00 AM
51° Friday 12:00 AM
Clear night at 1:00 AM
51° 1:00 AM
Clear night at 2:00 AM
50° 2:00 AM
Clear night at 3:00 AM
49° 3:00 AM
Clear night at 4:00 AM
48° Friday 4:00 AM
Clear night at 5:00 AM
48° 5:00 AM
Clear night at 6:00 AM
48° 6:00 AM
Sunny at 7:00 AM
47° 7:00 AM
Sunny at 8:00 AM
50° Friday 8:00 AM
Sunny at 9:00 AM
55° 9:00 AM
Sunny at 10:00 AM
59° 10:00 AM
Sunny at 11:00 AM
64° 11:00 AM
Sunny at 12:00 PM
67° Friday 12:00 PM
Sunny at 1:00 PM
69° 1:00 PM
Sunny at 2:00 PM
70° 2:00 PM
Sunny at 3:00 PM
71° 3:00 PM
Sunny at 4:00 PM
70° Friday 4:00 PM
Sunny at 5:00 PM
69° 5:00 PM
Sunny at 6:00 PM
66° 6:00 PM
Clear night at 7:00 PM
60° 7:00 PM
Clear night at 8:00 PM
58° Friday 8:00 PM
Clear night at 11:00 PM
53° 11:00 PM
Clear night at 2:00 AM
51° 2:00 AM
Clear night at 5:00 AM
49° 5:00 AM
Sunny at 8:00 AM
51° Saturday 8:00 AM
Sunny at 11:00 AM
64° 11:00 AM
Overcast at 2:00 PM
69° 2:00 PM
Overcast at 5:00 PM
67° 5:00 PM
Overcast night at 8:00 PM
58° Saturday 8:00 PM
Mostly cloudy night at 11:00 PM
56° 11:00 PM
Overcast night at 2:00 AM
56° 2:00 AM
Partly cloudy night at 5:00 AM
55° 5:00 AM
Overcast at 8:00 AM
56° Sunday 8:00 AM
Overcast at 11:00 AM
61° 11:00 AM
Overcast at 2:00 PM
65° 2:00 PM
Overcast at 5:00 PM
57° 5:00 PM
Overcast night at 8:00 PM
56° Sunday 8:00 PM
Light rain at 11:00 PM
54° 11:00 PM
Overcast night at 2:00 AM
53° 2:00 AM
Overcast night at 5:00 AM
53° 5:00 AM
Overcast at 8:00 AM
54° Monday 8:00 AM
Overcast at 11:00 AM
58° 11:00 AM
Overcast at 2:00 PM
64° 2:00 PM
Overcast night at 8:00 PM
62° 8:00 PM
Overcast night at 2:00 AM
59° Tuesday 2:00 AM
Sunny at 8:00 AM
54° 8:00 AM
Sunny at 2:00 PM
52° 2:00 PM
Mostly clear night at 8:00 PM
70° 8:00 PM
Mostly clear night at 2:00 AM
59° Wednesday 2:00 AM
Sunny at 8:00 AM
53° 8:00 AM
Partly cloudy at 2:00 PM
52° 2:00 PM
Mostly cloudy night at 8:00 PM
72° 8:00 PM
Mostly cloudy night at 2:00 AM
62° Thursday 2:00 AM
Overcast at 8:00 AM
58° 8:00 AM
Overcast at 2:00 PM
60° 2:00 PM
Overcast night at 8:00 PM
67° 8:00 PM
Overcast night at 2:00 AM
63° Friday 2:00 AM
Overcast at 8:00 AM
63° 8:00 AM
Mostly cloudy at 2:00 PM
61° 2:00 PM
Mostly cloudy night at 8:00 PM
77° 8:00 PM
Overcast night at 2:00 AM
66° Saturday 2:00 AM
Light rain at 8:00 AM
63° 8:00 AM
Mostly cloudy at 2:00 PM
64° 2:00 PM
Light rain at 8:00 PM
75° 8:00 PM
Light rain at 2:00 AM
65° Sunday 2:00 AM
Light rain at 8:00 AM
64° 8:00 AM
Light rain at 2:00 PM
63° 2:00 PM
Partly cloudy night at 8:00 PM
68° 8:00 PM
Mostly clear night at 2:00 AM
62° Monday 2:00 AM
Mostly sunny at 8:00 AM
58° 8:00 AM
Sunny at 2:00 PM
55° 2:00 PM
Overcast night at 8:00 PM
67° 8:00 PM
Overcast night at 2:00 AM
57° Tuesday 2:00 AM
Mostly sunny at 8:00 AM
50° 8:00 AM
Mostly sunny at 2:00 PM
50° 2:00 PM
Light rain at 8:00 PM
62° 8:00 PM
Mostly cloudy night at 2:00 AM
54° Wednesday 2:00 AM
Overcast at 8:00 AM
51° 8:00 AM
Overcast at 2:00 PM
50° 2:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Smiths Falls

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 4:00 AM
PM2.5 Fine particles Good 1,8µg/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 2,2µg/m³

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

O₃ Ozone Good 50,6µg/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 favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Smiths Falls

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 4,6Moderate 😊Good
Tomorrow UV 4,7Moderate 🙂Fair
Friday UV 4,6Moderate 🙂Fair
Saturday UV 4,5Moderate 🙂Fair
Sunday UV 6,0High 🙂Fair
Monday UV 5,0Moderate Unavailable
Tuesday UV 6,0High Unavailable
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,2 9:00 AMUV 0,8 10:00 AMUV 1,9 11:00 AMUV 3,1 12:00 PMUV 4,2 1:00 PMUV 4,6 2:00 PMUV 4,3 3:00 PMUV 3,3 4:00 PMUV 2,0 5:00 PMUV 0,9 6:00 PMUV 0,3
Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for 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 Smiths Falls

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

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

98/100Best-hour score
BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 8:40 PM–5:14 AM
Cloud cover 0% Real hourly forecast for the best viewing hour.
Moonlight 88% Waxing Gibbous · Moon below the horizon at the best viewing hour.
Meteor activity Southern Taurids Reference ZHR 7 · Radiant 60° high at the best hour.
Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min71%
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.

Forecast data for Smiths Falls were last refreshed today at 3:26 AM. The current forecast period extends through 25/09/2026 at 1:00 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.