Chatham-Kent Weather Forecast

CURRENT CONDITIONS - September 3, 2026
27°
Low of22°
Feels like 30°CLast Updated: September 3, 2026 at 3:55 PMWeather information supplied by: OpenWeather API
POP:1%
Wind:4.04 km/h
Humidity:79%
UV:7.41
Sunrise:10:56 AM
Sunset:12:00 AM

Current Weather Alerts

Humidex values reaching 40 are expected for the next day. A heat event continues. What: Maximum temperatures of 30 to 32 degrees Celsius. Minimum temperatures of 20 to 23 degrees Celsius. Maximum humidex values near 40. When: Ending tonight. ### Heat warnings are issued when very high temperature or humidity conditions are expected to pose an elevated risk of heat illnesses, such as heat stroke or heat exhaustion. For more information: https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/how-protect-yourself.html https://www.canada.ca/en/health-canada/services/climate-change-health/extreme-heat/who-is-at-risk.html Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or post reports on social media using #ONStorm.

Conditions are favourable for the development of severe thunderstorms that may be capable of producing strong wind gusts, large hail and heavy rain. Hazards: Strong wind gusts of 90 to 110 km/h Nickel to ping pong ball sized hail Torrential downpours When: This morning into this evening. ### Local utility outages are possible. Damage to roofs, fences, branches or soft shelters is possible. Severe thunderstorm watches are issued when conditions are favourable for the development of thunderstorms capable of producing damaging hail, wind or rain. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or post reports on social media using #ONStorm. For more information: https://www.ontario.ca/page/be-prepared-emergency.

Chatham-Kent Weather Forecast - Hourly

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Chatham-Kent Weather Forecast - Weekly

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Today
September 3
28°
22°
Tomorrow
September 4
26°
21°
Saturday
September 5
24°
15°
Sunday
September 6
23°
14°
Monday
September 7
23°
14°
Tuesday
September 8
21°
15°
Wednesday
September 9
23°
20°
Thursday
September 10
25°
15°

Local News

County Rd. 21 traffic study planned for 2027

The County of Lambton is planning to move forward with an origin-destination study for heavy truck traffic travelling on County Road 21 due to concerns regarding the proposed York 1 project in Dresden.