Live Weather & Forecast
Weather in Casselman
Ontario, Canada · Real-time conditions & 3-day outlook
2°C
Feels like -2°C
35°F / Feels 29°F
Clear
Casselman, Ontario
🌙 Nighttime
Updated: 2026-04-25 05:45
Humidity
61%
Wind
12.6 km/h ENE
Wind Gust
22.5 km/h
Pressure
1017 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
-3°C
Wind Degree
64°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
189.9 μg/m³
NO₂
6.5 μg/m³
O₃
55 μg/m³
SO₂
3.4 μg/m³
PM 2.5
4.8 μg/m³
PM 10
5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Casselman, Ontario
12 AM
5°
Clear
1 AM
4°
Clear
2 AM
3°
Clear
3 AM
3°
Clear
4 AM
2°
Clear
5 AM
2°
Clear
6 AM
2°
Sunny
7 AM
3°
Sunny
8 AM
4°
Sunny
9 AM
6°
Sunny
10 AM
8°
Sunny
11 AM
10°
Sunny
12 PM
12°
Sunny
1 PM
14°
Sunny
2 PM
15°
Sunny
3 PM
16°
Sunny
4 PM
16°
Sunny
5 PM
14°
Sunny
6 PM
12°
Overcast
7 PM
10°
Overcast
8 PM
8°
Overcast
9 PM
7°
Cloudy
10 PM
6°
Clear
11 PM
6°
Overcast
3-Day Forecast
Daily overview for Casselman, Ontario
Today
Sunny
17°
/
1°
🌧️ 0% chance of rain
💧 Avg. humidity: 57%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 5.9
🌅 Sunrise: 05:57 AM
🌇 Sunset: 07:57 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Sunny
15°
/
2°
🌧️ 0% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 13.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 5.5
🌅 Sunrise: 05:56 AM
🌇 Sunset: 07:59 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
18°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 13.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.2
🌅 Sunrise: 05:54 AM
🌇 Sunset: 08:00 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit Casselman
Plan your trip to Casselman, 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 Casselman?
Current conditions in Casselman: Clear, temperature 2°C, humidity 61%.
What is the best time to visit Casselman?
The best time to visit Casselman is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Casselman?
Casselman is located at approximately 45.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Casselman?
The wettest period in Casselman is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Casselman?
For visits to Casselman during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Casselman in 2026?
View the 2026 public holidays for Casselman on our Holidays page.
What are the GPS coordinates used for the weather forecast in Casselman?
The weather forecast for Casselman uses coordinates 45.3135, -75.0867.
What is the current temperature outside in Casselman?
The current outdoor temperature in Casselman is 2°C (36°F) with clear.
What is the hourly weather forecast for Casselman today?
Today's hour-by-hour weather breakdown for Casselman 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 Casselman tomorrow hour by hour?
Tomorrow's forecast for Casselman shows a high of 15°C and a low of 2°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Casselman?
Rain is not expected in Casselman today. Current forecast shows no significant rain probability.
Is it going to rain today in Casselman?
No, rain is not forecast for Casselman today. Current conditions show clear to partly cloudy skies.