Live Weather & Forecast
Weather in London
Ontario, Canada · Real-time conditions & 3-day outlook
6°C
Feels like 2°C
43°F / Feels 36°F
Light rain
London, Ontario
🌙 Nighttime
Updated: 2026-04-25 02:45
Humidity
87%
Wind
24.8 km/h E
Wind Gust
36.8 km/h
Pressure
1008 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0.21 mm
Cloud Cover
100%
Dew Point
0.5°C
Wind Degree
85°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
187.9 μg/m³
NO₂
6.1 μg/m³
O₃
74 μg/m³
SO₂
2.1 μg/m³
PM 2.5
4.5 μg/m³
PM 10
4.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for London, Ontario
12 AM
9°
Patchy rain nearby
1 AM
8°
Patchy rain nearby
2 AM
6°
Light rain
3 AM
7°
Light drizzle
4 AM
6°
Light drizzle
5 AM
6°
Light rain
6 AM
6°
Moderate rain
7 AM
6°
Light rain
8 AM
6°
Light drizzle
9 AM
7°
Overcast
10 AM
7°
Overcast
11 AM
7°
Patchy rain nearby
12 PM
7°
Overcast
1 PM
6°
Overcast
2 PM
6°
Overcast
3 PM
7°
Overcast
4 PM
8°
Cloudy
5 PM
8°
Cloudy
6 PM
9°
Cloudy
7 PM
8°
Partly Cloudy
8 PM
7°
Sunny
9 PM
6°
Clear
10 PM
5°
Clear
11 PM
5°
Clear
3-Day Forecast
Daily overview for London, Ontario
Today
Moderate rain
9°
/
5°
🌧️ 88% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 26.3 km/h
🌧️ Total precip: 7 mm
☀️ UV Index: 4.1
🌅 Sunrise: 06:27 AM
🌇 Sunset: 08:19 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Partly Cloudy
15°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 18.4 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.4
🌅 Sunrise: 06:26 AM
🌇 Sunset: 08:20 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
19°
/
6°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 31 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.5
🌅 Sunrise: 06:24 AM
🌇 Sunset: 08:21 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit London
Plan your trip to London, 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 London?
Current conditions in London: Light rain, temperature 6°C, humidity 87%.
What is the best time to visit London?
The best time to visit London is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in London?
London is located at approximately 43° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in London?
The wettest period in London is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to London?
For visits to London during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in London in 2026?
View the 2026 public holidays for London on our Holidays page.
What are the GPS coordinates used for the weather forecast in London?
The weather forecast for London uses coordinates 42.9832, -81.2434.
What is the current temperature outside in London?
The current outdoor temperature in London is 6°C (43°F) with light rain.
What is the hourly weather forecast for London today?
Today's hour-by-hour weather breakdown for London 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 London tomorrow hour by hour?
Tomorrow's forecast for London shows a high of 15°C and a low of 4°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in London?
There is a 88% chance of rain in London 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 London?
Yes, there is a 88% chance of rain in London today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.