Chatham weather
At 6:15 PM local time it was cloudy and 11°C (52°F). Little to no rain in the next 24 hours. Best months for weather: May–Sep. Chatham sits 183 m (600 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Chatham, Ontario, Canada.
Current conditions
- Clouds
- 94%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season May–SepOff season Nov–Mar
About Chatham weather
Is it raining in Chatham right now?
No. It’s cloudy and 11° right now. Little to no rain in the next 24 hours.
What’s the weather like in Chatham this week?
Over the next 7 days, expect highs of 15–22° and lows of 1–16°. Rain is likely on 2 of 7 days (Wednesday, Friday). The driest day looks like Saturday.
Has it been raining in Chatham lately?
In the past 7 days, Chatham had 1 rainy day and 1.0 mm of rain in total.
What should I pack for Chatham?
For the coming week, bring an umbrella or rain jacket and a warm winter coat.
Chatham weather by month
When is the best time to visit Chatham?
Based on weather alone, the best time to visit Chatham is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from -1°C (31°F) in January to 27°C (81°F) in July.
What is the rainiest month in Chatham?
July is the wettest month, with about 72 mm (2.8 in) of rain on average. February is the driest, with about 39 mm (1.5 in).
What is the hottest month in Chatham?
July is the warmest, with average highs of 27°C (81°F) and lows of 18°C (65°F). January is the coolest, with highs of -1°C (31°F) and lows of -7°C (20°F).
Does Chatham have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is July at about 72 mm (2.8 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months