Live Weather & Forecast
Weather in Guelph
Ontario, Canada · Real-time conditions & 3-day outlook
4°C
Feels like -1°C
40°F / Feels 31°F
Light rain
Guelph, Ontario
🌙 Nighttime
Updated: 2026-04-25 02:30
Humidity
87%
Wind
28.4 km/h E
Wind Gust
41.5 km/h
Pressure
1010 mb
Visibility
8 km
UV Index
0
(Low)
Precipitation
0.19 mm
Cloud Cover
100%
Dew Point
1.2°C
Wind Degree
92°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
170.9 μg/m³
NO₂
6.3 μg/m³
O₃
79 μg/m³
SO₂
3.4 μg/m³
PM 2.5
5.2 μg/m³
PM 10
5.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Guelph, Ontario
12 AM
4°
Patchy rain nearby
1 AM
4°
Patchy rain nearby
2 AM
4°
Light rain
3 AM
5°
Patchy rain nearby
4 AM
4°
Patchy rain nearby
5 AM
5°
Patchy rain nearby
6 AM
5°
Patchy rain nearby
7 AM
5°
Light drizzle
8 AM
5°
Moderate rain
9 AM
5°
Light rain
10 AM
5°
Patchy rain nearby
11 AM
5°
Patchy rain nearby
12 PM
4°
Patchy rain nearby
1 PM
4°
Patchy rain nearby
2 PM
4°
Patchy rain nearby
3 PM
5°
Partly Cloudy
4 PM
6°
Overcast
5 PM
6°
Overcast
6 PM
6°
Cloudy
7 PM
6°
Partly Cloudy
8 PM
6°
Cloudy
9 PM
5°
Cloudy
10 PM
4°
Clear
11 PM
3°
Clear
3-Day Forecast
Daily overview for Guelph, Ontario
Today
Moderate rain
7°
/
3°
🌧️ 88% chance of rain
💧 Avg. humidity: 86%
💨 Max wind: 29.2 km/h
🌧️ Total precip: 10.28 mm
☀️ UV Index: 2.1
🌅 Sunrise: 06:22 AM
🌇 Sunset: 08:16 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Partly Cloudy
14°
/
2°
🌧️ 0% chance of rain
💧 Avg. humidity: 74%
💨 Max wind: 15.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6.3
🌅 Sunrise: 06:21 AM
🌇 Sunset: 08:17 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Mon, Apr 27
Sunny
16°
/
4°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 24.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 6
🌅 Sunrise: 06:19 AM
🌇 Sunset: 08:19 PM
🌙 Waxing Gibbous
🌑 Moon: 79% lit
Best Time to Visit Guelph
Plan your trip to Guelph, 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 Guelph?
Current conditions in Guelph: Light rain, temperature 4°C, humidity 87%.
What is the best time to visit Guelph?
The best time to visit Guelph is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Guelph?
Guelph is located at approximately 43.5° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Guelph?
The wettest period in Guelph is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Guelph?
For visits to Guelph during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Guelph in 2026?
View the 2026 public holidays for Guelph on our Holidays page.
What are the GPS coordinates used for the weather forecast in Guelph?
The weather forecast for Guelph uses coordinates 43.5461, -80.2493.
What is the current temperature outside in Guelph?
The current outdoor temperature in Guelph is 4°C (39°F) with light rain.
What is the hourly weather forecast for Guelph today?
Today's hour-by-hour weather breakdown for Guelph 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 Guelph tomorrow hour by hour?
Tomorrow's forecast for Guelph shows a high of 14°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 Guelph?
There is a 88% chance of rain in Guelph 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 Guelph?
Yes, there is a 88% chance of rain in Guelph today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.