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American Canyon Weather Warning NWS WEATHER ALERT FOR THE AMERICAN CANYON, CA AREA - Issued: 346 PM PDT Wed Sep 30 2026 American Canyon Weather Warning

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94503 Weather (American Canyon, CA)

American Canyon, CA WeatherCurrent Conditions and Weather for American Canyon, California
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Clear at American Canyon (94503), temperature is 78°F26°C, dew point 56°F13°C, humidity 46%. Wind direction is S at 6 mphat 10 km/h with visibility of 10 mi16 km. Barometric pressure is 29.75 in1007 mb. Last update: 6:00 pm.*
*Time is approximately 6:00 pm Wed, Sep 30, 2026. Time will be within 15 minutes of current local time. American Canyon weather forecast data is updated every 15 minutes.

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In the Spring, I have counted 136 different kinds of weather inside of 24 hours. ―Mark Twain
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American Canyon CA Weather - 9:00 pm

American Canyon Weather Forecast

Weather forecast for: 2 Miles SSE Napa Co. Airport CA
Last Update: 2:11 pm PDT Sep 30, 2026
Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 56. South southwest wind around 5 mph becoming calm in the evening.
Thursday: Patchy fog before 8am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night: Partly cloudy, with a low around 57. Southwest wind around 5 mph becoming calm in the evening.
Friday: Partly sunny, with a high near 85. Calm wind.
Friday Night: Mostly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Saturday: Mostly sunny, with a high near 88.
Saturday Night: Partly cloudy, with a low around 61.
Sunday: Mostly sunny, with a high near 88.
Sunday Night: Mostly clear, with a low around 60.
Monday: Sunny, with a high near 86.
Monday Night: Mostly clear, with a low around 60.
Tuesday: Sunny, with a high near 86.
Tuesday Night: Mostly clear, with a low around 60.
Wednesday: Sunny, with a high near 86.

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