Live Weather & Forecast
Weather in Chatham
Ontario, Canada · Real-time conditions & 3-day outlook
18°C
Feels like 18°C
64°F / Feels 64°F
Overcast
Chatham, Ontario
🌞 Daytime
Updated: 2026-04-24 15:45
Humidity
52%
Wind
22.3 km/h SE
Wind Gust
28.6 km/h
Pressure
1006 mb
Visibility
16 km
UV Index
4.7
(Moderate)
Precipitation
0.34 mm
Cloud Cover
100%
Dew Point
10°C
Wind Degree
127°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
223.9 μg/m³
NO₂
5.9 μg/m³
O₃
102 μg/m³
SO₂
2.7 μg/m³
PM 2.5
7.1 μg/m³
PM 10
7.7 μg/m³
Today's Hourly Forecast
24-hour breakdown for Chatham, Ontario
12 AM
13°
Clear
1 AM
12°
Clear
2 AM
12°
Clear
3 AM
11°
Clear
4 AM
10°
Clear
5 AM
10°
Clear
6 AM
10°
Clear
7 AM
10°
Sunny
8 AM
11°
Sunny
9 AM
13°
Sunny
10 AM
16°
Sunny
11 AM
18°
Sunny
12 PM
17°
Sunny
1 PM
17°
Sunny
2 PM
17°
Partly Cloudy
3 PM
18°
Overcast
4 PM
16°
Patchy rain nearby
5 PM
15°
Light rain shower
6 PM
14°
Light rain shower
7 PM
13°
Light rain shower
8 PM
12°
Light rain shower
9 PM
11°
Light rain shower
10 PM
11°
Light rain
11 PM
10°
Light rain shower
3-Day Forecast
Daily overview for Chatham, Ontario
Today
Moderate rain
20°
/
9°
🌧️ 91% chance of rain
💧 Avg. humidity: 70%
💨 Max wind: 24.1 km/h
🌧️ Total precip: 6.73 mm
☀️ UV Index: 6.9
🌅 Sunrise: 06:34 AM
🌇 Sunset: 08:22 PM
🌙 First Quarter
🌑 Moon: 49% lit
Sat, Apr 25
Patchy rain nearby
12°
/
8°
🌧️ 85% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 19.1 km/h
🌧️ Total precip: 0.72 mm
☀️ UV Index: 4.5
🌅 Sunrise: 06:33 AM
🌇 Sunset: 08:23 PM
🌙 Waxing Gibbous
🌑 Moon: 60% lit
Sun, Apr 26
Sunny
15°
/
5°
🌧️ 0% chance of rain
💧 Avg. humidity: 77%
💨 Max wind: 13.3 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 5.1
🌅 Sunrise: 06:31 AM
🌇 Sunset: 08:25 PM
🌙 Waxing Gibbous
🌑 Moon: 70% lit
Best Time to Visit Chatham
Plan your trip to Chatham, 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 Chatham?
Current conditions in Chatham: Overcast, temperature 18°C, humidity 52%.
What is the best time to visit Chatham?
The best time to visit Chatham is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Chatham?
Chatham is located at approximately 42.4° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Chatham?
The wettest period in Chatham is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Chatham?
For visits to Chatham during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What are the public holidays in Chatham in 2026?
View the 2026 public holidays for Chatham on our Holidays page.
What are the GPS coordinates used for the weather forecast in Chatham?
The weather forecast for Chatham uses coordinates 42.4057, -82.1854.
What is the current temperature outside in Chatham?
The current outdoor temperature in Chatham is 18°C (64°F) with overcast.
What is the hourly weather forecast for Chatham today?
Today's hour-by-hour weather breakdown for Chatham 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 Chatham tomorrow hour by hour?
Tomorrow's forecast for Chatham shows a high of 12°C and a low of 8°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Chatham?
There is a 91% chance of rain in Chatham 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 Chatham?
Yes, there is a 91% chance of rain in Chatham today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.