Live Weather & Forecast
Weather in South River
Ontario, Canada · Real-time conditions & 3-day outlook
9°C
Feels like 6°C
48°F / Feels 43°F
Overcast
South River, Ontario
🌞 Daytime
Updated: 2026-04-25 07:15
Humidity
77%
Wind
19.4 km/h ESE
Wind Gust
25.3 km/h
Pressure
1015 mb
Visibility
16 km
UV Index
0.1
(Low)
Precipitation
0 mm
Cloud Cover
100%
Dew Point
4.9°C
Wind Degree
102°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
181.9 μg/m³
NO₂
12.7 μg/m³
O₃
88 μg/m³
SO₂
3.4 μg/m³
PM 2.5
8 μg/m³
PM 10
10.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for South River, Ontario
12 AM
10°
Clear
1 AM
9°
Clear
2 AM
9°
Clear
3 AM
9°
Clear
4 AM
9°
Clear
5 AM
9°
Patchy rain nearby
6 AM
9°
Clear
7 AM
9°
Overcast
8 AM
9°
Sunny
9 AM
9°
Patchy rain nearby
10 AM
10°
Sunny
11 AM
11°
Patchy rain nearby
12 PM
12°
Patchy rain nearby
1 PM
12°
Patchy rain nearby
2 PM
12°
Patchy rain nearby
3 PM
11°
Patchy rain nearby
4 PM
9°
Patchy rain nearby
5 PM
8°
Light drizzle
6 PM
7°
Light drizzle
7 PM
7°
Light drizzle
8 PM
7°
Light drizzle
9 PM
7°
Light drizzle
10 PM
7°
Light rain
11 PM
6°
Light rain
3-Day Forecast
Daily overview for South River, Ontario
Today
Patchy rain nearby
13°
/
7°
🌧️ 92% chance of rain
💧 Avg. humidity: 76%
💨 Max wind: 23.8 km/h
🌧️ Total precip: 4.74 mm
☀️ UV Index: 0.9
🌅 Sunrise: 06:04 AM
🌇 Sunset: 07:47 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Patchy rain nearby
12°
/
6°
🌧️ 90% chance of rain
💧 Avg. humidity: 75%
💨 Max wind: 23 km/h
🌧️ Total precip: 4.26 mm
☀️ UV Index: 0.8
🌅 Sunrise: 06:03 AM
🌇 Sunset: 07:48 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
15°
/
7°
🌧️ 0% chance of rain
💧 Avg. humidity: 60%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 4.6
🌅 Sunrise: 06:02 AM
🌇 Sunset: 07:49 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit South River
Plan your trip to South River, 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 South River?
Current conditions in South River: Overcast, temperature 9°C, humidity 77%.
What is the best time to visit South River?
The best time to visit South River is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in South River?
South River is located at approximately 40.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in South River?
The wettest period in South River is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to South River?
For visits to South River during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in South River in 2026?
View the 2026 public holidays for South River on our Holidays page.
What are the GPS coordinates used for the weather forecast in South River?
The weather forecast for South River uses coordinates 40.4465, -74.386.
What is the current temperature outside in South River?
The current outdoor temperature in South River is 9°C (48°F) with overcast.
What is the hourly weather forecast for South River today?
Today's hour-by-hour weather breakdown for South River 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 South River tomorrow hour by hour?
Tomorrow's forecast for South River shows a high of 12°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 South River?
There is a 92% chance of rain in South River 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 South River?
Yes, there is a 92% chance of rain in South River today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.