See exactly when rain will start and stop with a minute-by-minute precipitation nowcast for the next hour.
15°
Mostly Clear
Feels Like: 16°
Min: 15°
Max: 20°
The next few hours will be mostly clear, with today reaching 20°C and dropping to 16°C. The coming days will be clear from afternoon until night.
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
06:57
Sunrise
19:08
Sunset
Moon
Waxing Crescent
12:48
Moonrise
21:26
Moonset
Daily Forecast
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Thursday
Friday
Saturday
Sunday
Monday
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Friday
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Weather in American Canyon today, September 16, 2026
American Canyon 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 morning looks comparatively open, with cloud near 26% around 04:00. Early outdoor plans have a better chance of staying dry and bright.
The day peaks near 20°C and cools toward 15°C. Expect humidity between 65% and 93%, most humid near 07:00. Expect gentle winds, highest near 13:00 at 9.2 km/h.
Afternoon skies stay clogged, peaking close to 71% near 22:00. The grey theme continues rather than clearing out. Visibility holds near 15.2 km, though it can fall to 12.8 km. Sunrise is at 06:57 and sunset at 19:08, giving 12 hours 11 minutes of sunlight today.
In short, September 16, 2026 looks like a fine day in American Canyon for being outside, peaking around 20°C.
Frequently asked questions about weather in American Canyon
How warm does it get in American Canyon?
The warmest month in American Canyon is August, with average high temperatures of 30°C. The average temperature during this period is around 21°C.
How cold does it get in American Canyon?
The coldest month in American Canyon 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 American Canyon?
The wettest month in American Canyon is January, with an average of 131mm of precipitation.
What is the driest time of year in American Canyon?
The driest month in American Canyon is August, with an average of 0mm of precipitation.
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