See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
13°
Partly Cloudy
Feels Like: 12°
Min: 12°
Max: 23°
The next few hours will be clear, with today reaching 23°C and dropping to 14°C. The coming days will be partly cloudy
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:58
Sunrise
19:09
Sunset
Moon
Waxing Crescent
12:49
Moonrise
21:27
Moonset
Daily Forecast
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Thursday
Friday
Saturday
Sunday
Monday
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Friday
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Weather in Sonoma today, September 16, 2026
Sonoma starts September 16, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds. The opening hours look fair, as cloud stays near 48% around 07:00. Morning errands should face fewer weather interruptions.
Expect highs of 23°C and cooler readings close to 12°C. Relative humidity sits between 49% and 98%, reaching its peak around 07:00. A lighter breeze peaks around 16:00 near 8.3 km/h.
Through the afternoon cloud remains the main feature, with cover near 100% around 22:00. Bright spells should stay limited even as the day wears on. Horizontal visibility sits around 15.1 km, briefly nearer 12.2 km. The sun rises at 06:58 and sets at 19:09, for a total of 12 hours 11 minutes of sunlight today.
Overall, Sonoma on September 16, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 23°C.
Frequently asked questions about weather in Sonoma
How warm does it get in Sonoma?
The warmest month in Sonoma is August, with average high temperatures of 27°C. The average temperature during this period is around 20°C.
How cold does it get in Sonoma?
The coldest month in Sonoma is December, with average low temperatures of 6°C. The average temperature during this period is around 10°C.
What is the wettest time of year in Sonoma?
The wettest month in Sonoma is January, with an average of 140mm of precipitation.
What is the driest time of year in Sonoma?
The driest month in Sonoma is July, with an average of 0mm of precipitation.
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