Live Weather & Forecast
Weather in Gravenhurst
Ontario, Canada · Real-time conditions & 3-day outlook
-2°C
Feels like -5°C
29°F / Feels 24°F
Clear
Gravenhurst, Ontario
🌙 Nighttime
Updated: 2026-04-26 05:30
Humidity
100%
Wind
7.2 km/h E
Wind Gust
15.1 km/h
Pressure
1019 mb
Visibility
14 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
-2.3°C
Wind Degree
78°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
165.9 μg/m³
NO₂
3.5 μg/m³
O₃
71 μg/m³
SO₂
2.5 μg/m³
PM 2.5
10.6 μg/m³
PM 10
12.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Gravenhurst, Ontario
12 AM
3°
Clear
1 AM
2°
Clear
2 AM
2°
Clear
3 AM
1°
Clear
4 AM
1°
Clear
5 AM
-2°
Clear
6 AM
1°
Clear
7 AM
3°
Sunny
8 AM
6°
Sunny
9 AM
8°
Sunny
10 AM
11°
Sunny
11 AM
13°
Sunny
12 PM
15°
Sunny
1 PM
16°
Sunny
2 PM
17°
Sunny
3 PM
18°
Sunny
4 PM
19°
Sunny
5 PM
18°
Sunny
6 PM
16°
Sunny
7 PM
13°
Sunny
8 PM
11°
Sunny
9 PM
9°
Clear
10 PM
8°
Clear
11 PM
7°
Clear
3-Day Forecast
Daily overview for Gravenhurst, Ontario
Today
Sunny
19°
/
1°
🌧️ 0% chance of rain
💧 Avg. humidity: 63%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.5
🌅 Sunrise: 06:14 AM
🌇 Sunset: 08:16 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
19°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 64%
💨 Max wind: 20.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.1
🌅 Sunrise: 06:12 AM
🌇 Sunset: 08:18 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Tue, Apr 28
Moderate rain
13°
/
8°
🌧️ 78% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 26.6 km/h
🌧️ Total precip: 11 mm
☀️ UV Index: 1
🌅 Sunrise: 06:11 AM
🌇 Sunset: 08:19 PM
🌙 Waxing Gibbous
🌑 Moon: 87% lit
Best Time to Visit Gravenhurst
Plan your trip to Gravenhurst, 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 Gravenhurst?
Current conditions in Gravenhurst: Clear, temperature -2°C, humidity 100%.
What is the best time to visit Gravenhurst?
The best time to visit Gravenhurst is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Gravenhurst?
Gravenhurst is located at approximately 44.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Gravenhurst?
The wettest period in Gravenhurst is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Gravenhurst?
For visits to Gravenhurst during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Gravenhurst in 2026?
View the 2026 public holidays for Gravenhurst on our Holidays page.
What are the GPS coordinates used for the weather forecast in Gravenhurst?
The weather forecast for Gravenhurst uses coordinates 44.9174, -79.3731.
What is the current temperature outside in Gravenhurst?
The current outdoor temperature in Gravenhurst is -2°C (28°F) with clear.
What is the hourly weather forecast for Gravenhurst today?
Today's hour-by-hour weather breakdown for Gravenhurst 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 Gravenhurst tomorrow hour by hour?
Tomorrow's forecast for Gravenhurst shows a high of 19°C and a low of 5°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Gravenhurst?
Rain is not expected in Gravenhurst today. Current forecast shows no significant rain probability.
Is it going to rain today in Gravenhurst?
No, rain is not forecast for Gravenhurst today. Current conditions show clear to partly cloudy skies.