Live Weather & Forecast
Weather in Southampton
Ontario, Canada · Real-time conditions & 3-day outlook
6°C
Feels like 1°C
42°F / Feels 33°F
Light drizzle
Southampton, Ontario
🌙 Nighttime
Updated: 2026-04-25 01:15
Humidity
90%
Wind
36 km/h ESE
Wind Gust
54.9 km/h
Pressure
1009 mb
Visibility
9 km
UV Index
0
(Low)
Precipitation
0.16 mm
Cloud Cover
0%
Dew Point
3.3°C
Wind Degree
120°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
161.9 μg/m³
NO₂
3.7 μg/m³
O₃
89 μg/m³
SO₂
2.3 μg/m³
PM 2.5
5.1 μg/m³
PM 10
5.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Southampton, Ontario
12 AM
7°
Patchy rain nearby
1 AM
6°
Light drizzle
2 AM
6°
Light drizzle
3 AM
6°
Moderate rain
4 AM
6°
Moderate rain
5 AM
6°
Light rain
6 AM
6°
Light drizzle
7 AM
6°
Light drizzle
8 AM
6°
Light drizzle
9 AM
7°
Patchy rain nearby
10 AM
7°
Overcast
11 AM
8°
Overcast
12 PM
6°
Overcast
1 PM
5°
Partly Cloudy
2 PM
6°
Sunny
3 PM
7°
Sunny
4 PM
7°
Sunny
5 PM
7°
Sunny
6 PM
7°
Sunny
7 PM
6°
Sunny
8 PM
5°
Sunny
9 PM
5°
Clear
10 PM
4°
Clear
11 PM
4°
Clear
3-Day Forecast
Daily overview for Southampton, Ontario
Today
Moderate rain
8°
/
4°
🌧️ 87% chance of rain
💧 Avg. humidity: 83%
💨 Max wind: 36 km/h
🌧️ Total precip: 8.78 mm
☀️ UV Index: 4.9
🌅 Sunrise: 06:26 AM
🌇 Sunset: 08:23 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Sunny
9°
/
3°
🌧️ 0% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 5.4
🌅 Sunrise: 06:24 AM
🌇 Sunset: 08:24 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
13°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 32.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.3
🌅 Sunrise: 06:23 AM
🌇 Sunset: 08:25 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit Southampton
Plan your trip to Southampton, 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 Southampton?
Current conditions in Southampton: Light drizzle, temperature 6°C, humidity 90%.
What is the best time to visit Southampton?
The best time to visit Southampton is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Southampton?
Southampton is located at approximately 44.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Southampton?
The wettest period in Southampton is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Southampton?
For visits to Southampton during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Southampton in 2026?
View the 2026 public holidays for Southampton on our Holidays page.
What are the GPS coordinates used for the weather forecast in Southampton?
The weather forecast for Southampton uses coordinates 44.4957, -81.3716.
What is the current temperature outside in Southampton?
The current outdoor temperature in Southampton is 6°C (43°F) with light drizzle.
What is the hourly weather forecast for Southampton today?
Today's hour-by-hour weather breakdown for Southampton 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 Southampton tomorrow hour by hour?
Tomorrow's forecast for Southampton shows a high of 9°C and a low of 3°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Southampton?
There is a 87% chance of rain in Southampton 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 Southampton?
Yes, there is a 87% chance of rain in Southampton today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.