Live Weather & Forecast
Weather in Grenville
Québec, Canada · Real-time conditions & 3-day outlook
-1°C
Feels like -5°C
31°F / Feels 23°F
Clear
Grenville, Québec
🌙 Nighttime
Updated: 2026-04-25 05:45
Humidity
74%
Wind
14.8 km/h ENE
Wind Gust
27.7 km/h
Pressure
1018 mb
Visibility
40 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
-5.8°C
Wind Degree
63°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
168.8 μg/m³
NO₂
5.6 μg/m³
O₃
61 μg/m³
SO₂
3.6 μg/m³
PM 2.5
4.2 μg/m³
PM 10
4.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Grenville, Québec
12 AM
5°
Clear
1 AM
4°
Clear
2 AM
3°
Clear
3 AM
3°
Clear
4 AM
2°
Clear
5 AM
-1°
Clear
6 AM
2°
Sunny
7 AM
3°
Sunny
8 AM
5°
Sunny
9 AM
6°
Sunny
10 AM
9°
Sunny
11 AM
10°
Sunny
12 PM
12°
Sunny
1 PM
14°
Sunny
2 PM
15°
Sunny
3 PM
15°
Sunny
4 PM
16°
Sunny
5 PM
13°
Sunny
6 PM
11°
Overcast
7 PM
9°
Overcast
8 PM
8°
Partly Cloudy
9 PM
6°
Partly Cloudy
10 PM
5°
Clear
11 PM
5°
Overcast
3-Day Forecast
Daily overview for Grenville, Québec
Today
Sunny
16°
/
1°
🌧️ 0% chance of rain
💧 Avg. humidity: 52%
💨 Max wind: 23 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 5.7
🌅 Sunrise: 05:56 AM
🌇 Sunset: 07:58 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Sunny
14°
/
1°
🌧️ 0% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 5.3
🌅 Sunrise: 05:55 AM
🌇 Sunset: 08:00 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
17°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 13.7 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.1
🌅 Sunrise: 05:53 AM
🌇 Sunset: 08:01 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit Grenville
Plan your trip to Grenville, 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 Grenville?
Current conditions in Grenville: Clear, temperature -1°C, humidity 74%.
What is the best time to visit Grenville?
The best time to visit Grenville is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Grenville?
Grenville is located at approximately 45.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Grenville?
The wettest period in Grenville is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Grenville?
For visits to Grenville during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Grenville in 2026?
View the 2026 public holidays for Grenville on our Holidays page.
What are the GPS coordinates used for the weather forecast in Grenville?
The weather forecast for Grenville uses coordinates 45.624, -74.5994.
What is the current temperature outside in Grenville?
The current outdoor temperature in Grenville is -1°C (30°F) with clear.
What is the hourly weather forecast for Grenville today?
Today's hour-by-hour weather breakdown for Grenville 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 Grenville tomorrow hour by hour?
Tomorrow's forecast for Grenville shows a high of 14°C and a low of 1°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Grenville?
Rain is not expected in Grenville today. Current forecast shows no significant rain probability.
Is it going to rain today in Grenville?
No, rain is not forecast for Grenville today. Current conditions show clear to partly cloudy skies.