Live Weather & Forecast
Weather in Smiths Falls
Ontario, Canada · Real-time conditions & 3-day outlook
3°C
Feels like 2°C
38°F / Feels 36°F
Clear
Smiths Falls, Ontario
🌙 Nighttime
Updated: 2026-04-27 05:00
Humidity
87%
Wind
4.7 km/h NE
Wind Gust
9.8 km/h
Pressure
1024 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
2.3°C
Wind Degree
47°
Air Quality Index
US EPA: Moderate
UK DEFRA: Low (2)
CO
203.9 μg/m³
NO₂
8 μg/m³
O₃
63 μg/m³
SO₂
3.6 μg/m³
PM 2.5
18.1 μg/m³
PM 10
22.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Smiths Falls, Ontario
12 AM
8°
Clear
1 AM
7°
Clear
2 AM
7°
Clear
3 AM
6°
Clear
4 AM
6°
Clear
5 AM
3°
Clear
6 AM
5°
Sunny
7 AM
7°
Sunny
8 AM
9°
Sunny
9 AM
12°
Sunny
10 AM
15°
Sunny
11 AM
17°
Sunny
12 PM
18°
Sunny
1 PM
20°
Sunny
2 PM
21°
Sunny
3 PM
21°
Sunny
4 PM
22°
Sunny
5 PM
20°
Sunny
6 PM
18°
Sunny
7 PM
15°
Sunny
8 PM
13°
Sunny
9 PM
12°
Clear
10 PM
11°
Clear
11 PM
11°
Clear
3-Day Forecast
Daily overview for Smiths Falls, Ontario
Today
Sunny
22°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 62%
💨 Max wind: 8.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.5
🌅 Sunrise: 05:59 AM
🌇 Sunset: 08:05 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Tue, Apr 28
Moderate rain
17°
/
9°
🌧️ 85% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 25.2 km/h
🌧️ Total precip: 7.32 mm
☀️ UV Index: 4.3
🌅 Sunrise: 05:58 AM
🌇 Sunset: 08:06 PM
🌙 Waxing Gibbous
🌑 Moon: 87% lit
Wed, Apr 29
Moderate rain
11°
/
8°
🌧️ 89% chance of rain
💧 Avg. humidity: 95%
💨 Max wind: 18.4 km/h
🌧️ Total precip: 7.27 mm
☀️ UV Index: 5
🌅 Sunrise: 05:56 AM
🌇 Sunset: 08:07 PM
🌙 Waxing Gibbous
🌑 Moon: 93% lit
Best Time to Visit Smiths Falls
Plan your trip to Smiths Falls, Canada around the most favorable weather conditions.
Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
Frequently Asked Questions
What is the current weather in Smiths Falls?
Current conditions in Smiths Falls: Clear, temperature 3°C, humidity 87%.
What is the best time to visit Smiths Falls?
The best time to visit Smiths Falls is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Smiths Falls?
Smiths Falls is located at approximately 44.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Smiths Falls?
The wettest period in Smiths Falls is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Smiths Falls?
For visits to Smiths Falls during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Smiths Falls in 2026?
View the 2026 public holidays for Smiths Falls on our Holidays page.
What are the GPS coordinates used for the weather forecast in Smiths Falls?
The weather forecast for Smiths Falls uses coordinates 44.9013, -76.0212.
What is the current temperature outside in Smiths Falls?
The current outdoor temperature in Smiths Falls is 3°C (37°F) with clear.
What is the hourly weather forecast for Smiths Falls today?
Today's hour-by-hour weather breakdown for Smiths Falls is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in Smiths Falls tomorrow hour by hour?
Tomorrow's forecast for Smiths Falls shows a high of 17°C and a low of 9°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Smiths Falls?
Rain is not expected in Smiths Falls today. Current forecast shows no significant rain probability.
Is it going to rain today in Smiths Falls?
No, rain is not forecast for Smiths Falls today. Current conditions show clear to partly cloudy skies.