Live Weather & Forecast
Weather in South Dundas
Ontario, Canada · Real-time conditions & 3-day outlook
2°C
Feels like -2°C
35°F / Feels 28°F
Clear
South Dundas, Ontario
🌙 Nighttime
Updated: 2026-04-25 05:45
Humidity
61%
Wind
14 km/h ENE
Wind Gust
25.3 km/h
Pressure
1017 mb
Visibility
16 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
-4.7°C
Wind Degree
64°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
189.8 μg/m³
NO₂
3.6 μg/m³
O₃
56 μg/m³
SO₂
1.8 μg/m³
PM 2.5
3.6 μg/m³
PM 10
3.8 μg/m³
Today's Hourly Forecast
24-hour breakdown for South Dundas, Ontario
12 AM
6°
Clear
1 AM
5°
Clear
2 AM
4°
Clear
3 AM
3°
Clear
4 AM
3°
Clear
5 AM
2°
Clear
6 AM
2°
Sunny
7 AM
3°
Sunny
8 AM
5°
Sunny
9 AM
7°
Sunny
10 AM
9°
Sunny
11 AM
11°
Sunny
12 PM
12°
Sunny
1 PM
14°
Sunny
2 PM
15°
Sunny
3 PM
16°
Sunny
4 PM
16°
Sunny
5 PM
14°
Sunny
6 PM
11°
Overcast
7 PM
9°
Sunny
8 PM
8°
Clear
9 PM
7°
Clear
10 PM
6°
Clear
11 PM
5°
Clear
3-Day Forecast
Daily overview for South Dundas, Ontario
Today
Sunny
16°
/
1°
🌧️ 0% chance of rain
💧 Avg. humidity: 51%
💨 Max wind: 19.1 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 5.8
🌅 Sunrise: 05:59 AM
🌇 Sunset: 07:58 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Sunny
15°
/
2°
🌧️ 0% chance of rain
💧 Avg. humidity: 69%
💨 Max wind: 13.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 5.9
🌅 Sunrise: 05:58 AM
🌇 Sunset: 08:00 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
19°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 67%
💨 Max wind: 12.6 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.3
🌅 Sunrise: 05:56 AM
🌇 Sunset: 08:01 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit South Dundas
Plan your trip to South Dundas, 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 Dundas?
Current conditions in South Dundas: Clear, temperature 2°C, humidity 61%.
What is the best time to visit South Dundas?
The best time to visit South Dundas is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in South Dundas?
South Dundas is located at approximately 44.9° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in South Dundas?
The wettest period in South Dundas is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to South Dundas?
For visits to South Dundas 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 Dundas in 2026?
View the 2026 public holidays for South Dundas on our Holidays page.
What are the GPS coordinates used for the weather forecast in South Dundas?
The weather forecast for South Dundas uses coordinates 44.9485, -75.2648.
What is the current temperature outside in South Dundas?
The current outdoor temperature in South Dundas is 2°C (36°F) with clear.
What is the hourly weather forecast for South Dundas today?
Today's hour-by-hour weather breakdown for South Dundas 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 Dundas tomorrow hour by hour?
Tomorrow's forecast for South Dundas shows a high of 15°C and a low of 2°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in South Dundas?
Rain is not expected in South Dundas today. Current forecast shows no significant rain probability.
Is it going to rain today in South Dundas?
No, rain is not forecast for South Dundas today. Current conditions show clear to partly cloudy skies.