See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:39
Sunrise
18:56
Sunset
Moon
Waxing Crescent
11:39
Moonrise
20:18
Moonset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Tuesday
Wednesday
Thursday
Air Quality Data Available
Upgrade to access real-time air quality data for Addison.
Resources
UV Index
Humidity
Weather in Addison today, September 15, 2026
Expect a muted, overcast feel in Addison on September 15, 2026 as cloud persists. Brighter breaks, if they arrive, should stay brief. Expect a grey start, with morning cloud around 100% by 10:00. Outdoor plans early on should not rely on bright skies.
The day peaks near 22°C and cools toward 6°C. Relative humidity sits between 33% and 97%, reaching its peak around 07:00. Winds stay light, near 6.1 km/h by 16:00, so the day feels still more than breezy.
Through the afternoon cloud remains the main feature, with cover near 100% around 14:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 15.9 km, briefly nearer 13.2 km. Expect sunrise at 06:39, sunset at 18:56, and 12 hours 17 minutes of sunlight today overall.
Taken together, overcast skies in Addison on September 15, 2026 favour indoor or covered options, with temperatures near 22°C.
Frequently asked questions about weather in Addison
How warm does it get in Addison?
The warmest month in Addison is July, with average high temperatures of 27°C. The average temperature during this period is around 22°C.
How cold does it get in Addison?
The coldest month in Addison is January, with average low temperatures of -9°C. The average temperature during this period is around -5°C.
What is the wettest time of year in Addison?
The wettest month in Addison is October, with an average of 113mm of precipitation.
What is the driest time of year in Addison?
The driest month in Addison is September, with an average of 67mm of precipitation.