Live Weather & Forecast
Weather in Blenheim
Ontario, Canada · Real-time conditions & 3-day outlook
3°C
Feels like 0°C
38°F / Feels 32°F
Overcast
Blenheim, Ontario
🌞 Daytime
Updated: 2026-04-25 10:15
Humidity
95%
Wind
15.8 km/h ENE
Wind Gust
23.1 km/h
Pressure
1011 mb
Visibility
10 km
UV Index
1
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
2.5°C
Wind Degree
73°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
183.9 μg/m³
NO₂
4.2 μg/m³
O₃
71 μg/m³
SO₂
2.2 μg/m³
PM 2.5
9.3 μg/m³
PM 10
9.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Blenheim, Ontario
12 AM
4°
Light rain
1 AM
4°
Cloudy
2 AM
3°
Patchy rain nearby
3 AM
3°
Patchy rain nearby
4 AM
3°
Light rain
5 AM
3°
Light drizzle
6 AM
3°
Light drizzle
7 AM
3°
Fog
8 AM
3°
Mist
9 AM
3°
Mist
10 AM
3°
Overcast
11 AM
4°
Overcast
12 PM
4°
Patchy rain nearby
1 PM
4°
Patchy rain nearby
2 PM
4°
Overcast
3 PM
4°
Overcast
4 PM
4°
Mist
5 PM
6°
Overcast
6 PM
7°
Cloudy
7 PM
7°
Partly Cloudy
8 PM
7°
Partly Cloudy
9 PM
7°
Clear
10 PM
7°
Clear
11 PM
7°
Clear
3-Day Forecast
Daily overview for Blenheim, Ontario
Today
Patchy rain nearby
7°
/
3°
🌧️ 89% chance of rain
💧 Avg. humidity: 91%
💨 Max wind: 30.6 km/h
🌧️ Total precip: 3.7 mm
☀️ UV Index: 3.2
🌅 Sunrise: 06:32 AM
🌇 Sunset: 08:20 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Partly Cloudy
9°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 29.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.4
🌅 Sunrise: 06:31 AM
🌇 Sunset: 08:21 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
13°
/
8°
🌧️ 0% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 43.6 km/h
🌧️ Total precip: 0.04 mm
☀️ UV Index: 6.7
🌅 Sunrise: 06:29 AM
🌇 Sunset: 08:22 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit Blenheim
Plan your trip to Blenheim, 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 Blenheim?
Current conditions in Blenheim: Overcast, temperature 3°C, humidity 95%.
What is the best time to visit Blenheim?
The best time to visit Blenheim is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Blenheim?
Blenheim is located at approximately 42.3° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Blenheim?
The wettest period in Blenheim is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Blenheim?
For visits to Blenheim during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Blenheim in 2026?
View the 2026 public holidays for Blenheim on our Holidays page.
What are the GPS coordinates used for the weather forecast in Blenheim?
The weather forecast for Blenheim uses coordinates 42.3354, -81.9974.
What is the current temperature outside in Blenheim?
The current outdoor temperature in Blenheim is 3°C (37°F) with overcast.
What is the hourly weather forecast for Blenheim today?
Today's hour-by-hour weather breakdown for Blenheim 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 Blenheim tomorrow hour by hour?
Tomorrow's forecast for Blenheim shows a high of 9°C and a low of 6°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Blenheim?
There is a 89% chance of rain in Blenheim today. Check the hourly forecast above for a time-by-time breakdown of when rain is most likely.
Is it going to rain today in Blenheim?
Yes, there is a 89% chance of rain in Blenheim today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.