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13°
Mostly Cloudy
Feels Like: 22°
Min: 12°
Max: 27°
The next few hours will be overcast, with today reaching 27°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
06:59
Sunrise
19:11
Sunset
Moon
Waxing Crescent
12:52
Moonrise
21:27
Moonset
Daily Forecast
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Thursday
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Saturday
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Monday
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Weather in Healdsburg today, September 16, 2026
Healdsburg 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. Expect a grey start, with morning cloud around 100% by 08:00. Outdoor plans early on should not rely on bright skies.
Temperatures climb from an overnight low near 12°C toward a daytime high of about 27°C. The air stays humid, with relative humidity between 32% and 98% and the peak around 07:00. Winds stay light, near 5.0 km/h by 16:00, so the day feels still more than breezy.
Expect a more open afternoon, with limited cloud around 2% by 23:00. Residual damp risk should be lower than earlier. Horizontal visibility sits around 15.3 km, briefly nearer 12.2 km. Expect sunrise at 06:59, sunset at 19:11, and 12 hours 11 minutes of sunlight today overall.
Overall, Healdsburg on September 16, 2026 favours outdoor plans under mostly open skies, with a comfortable high near 27°C.
Frequently asked questions about weather in Healdsburg
How warm does it get in Healdsburg?
The warmest month in Healdsburg is July, with average high temperatures of 30°C. The average temperature during this period is around 21°C.
How cold does it get in Healdsburg?
The coldest month in Healdsburg is December, with average low temperatures of 5°C. The average temperature during this period is around 9°C.
What is the wettest time of year in Healdsburg?
The wettest month in Healdsburg is January, with an average of 161mm of precipitation.
What is the driest time of year in Healdsburg?
The driest month in Healdsburg is July, with an average of 0mm of precipitation.
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