American Canyon, CA Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for American Canyon, CA.

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Current Conditions — American Canyon, CA

NAPA (KAPC)

Partly Cloudy

53.6 F
Humidity:82%
Wind Speed:NW 3.4 mph
Barometer:29.95 in
Dewpoint:48.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 24 2026, 09:10 AM PDT
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5-Day Forecast — American Canyon, CA

Friday

High 68 °F
Forecast Missing
Friday
Night
Low 50 °F
Forecast Missing
Saturday

High 64 °F
Forecast Missing
Saturday
Night
Low 50 °F
Forecast Missing
Sunday

High 66 °F
Forecast Missing
Sunday
Night
Low 48 °F
Forecast Missing
Monday

High 68 °F
Forecast Missing
Monday
Night
Low 48 °F
Forecast Missing
Tuesday

High 73 °F
Forecast Missing

Detailed Forecast — American Canyon, CA

Friday
Slight Chance of Rain. High near 68°F. Wind 3 to 10 mph, with gusts as high as 16 mph.
Friday Night
Forecast Missing. Low around 50°F. Wind 6 to 10 mph, with gusts as high as 15 mph.
Saturday
Forecast Missing. High near 64°F. Wind 7 to 14 mph, with gusts as high as 21 mph.
Saturday Night
Forecast Missing. Low around 50°F. Wind 6 to 12 mph, with gusts as high as 18 mph.
Sunday
Forecast Missing. High near 66°F. Wind 6 to 12 mph, with gusts as high as 17 mph.
Sunday Night
Forecast Missing. Low around 48°F. Wind 2 to 6 mph, with gusts as high as 10 mph.
Monday
Forecast Missing. High near 68°F. Wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Forecast Missing. Low around 48°F. Wind 1 to 5 mph, with gusts as high as 7 mph.
Tuesday
Forecast Missing. High near 73°F. Wind 3 to 12 mph, with gusts as high as 17 mph.
Tuesday Night
Forecast Missing. Low around 50°F. Wind 3 to 6 mph, with gusts as high as 10 mph.
Wednesday
Forecast Missing. High near 73°F. Wind 8 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Forecast Missing. Low around 50°F. Wind 3 to 7 mph, with gusts as high as 12 mph.
Thursday
Forecast Missing. High near 75°F. Wind 5 to 10 mph, with gusts as high as 15 mph.
CA Radar
Current Radar • CA
Day 1 Outlook • April 24, 2026

Observation History — American Canyon, CA

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
09:10 AM PDT NW 3.4 10.00 Partly Cloudy -- 53.6 48.2 82% NA NA 29.95 1014.2
08:54 AM PDT W 5.8 10.00 Partly Cloudy -- 53.1 48.9 86% NA NA 29.96 1014.6
08:38 AM PDT 0.0 10.00 Mostly Cloudy -- 52.0 48.9 89% NA NA 29.95 1014.2
08:35 AM PDT 0.0 10.00 Mostly Cloudy -- 51.8 48.2 87% NA NA 29.95 1014.2
08:30 AM PDT 0.0 10.00 Partly Cloudy -- 51.8 48.2 87% NA NA 29.95 1014.2
08:20 AM PDT 0.0 10.00 Mostly Clear -- 51.8 48.2 87% NA NA 29.95 1014.2
08:05 AM PDT 0.0 10.00 Clear -- 51.8 48.2 87% NA NA 29.95 1014.2
08:00 AM PDT 0.0 10.00 Clear -- 51.8 48.2 87% NA NA 29.95 1014.2
07:50 AM PDT 0.0 10.00 Clear -- 51.8 48.2 87% NA NA 29.95 1014.2
07:45 AM PDT 0.0 10.00 Clear -- 50.0 48.2 94% NA NA 29.96 1014.6
07:35 AM PDT 0.0 9.00 Clear -- 48.2 48.2 100% NA NA 29.96 1014.6
07:25 AM PDT 0.0 9.00 Clear -- 48.2 46.4 93% NA NA 29.96 1014.6
07:20 AM PDT 0.0 9.00 Clear -- 46.4 46.4 100% NA NA 29.96 1014.6
07:10 AM PDT 0.0 9.00 Mostly Clear -- 46.4 46.4 100% NA NA 29.96 1014.6
07:05 AM PDT 0.0 9.00 Mostly Clear -- 46.4 46.4 100% NA NA 29.96 1014.6
07:00 AM PDT 0.0 9.00 Clear -- 48.2 46.4 93% NA NA 29.96 1014.6
06:50 AM PDT 0.0 9.00 Clear -- 46.4 46.4 100% NA NA 29.95 1014.2
06:45 AM PDT 0.0 9.00 Clear -- 46.4 46.4 100% NA NA 29.95 1014.2
06:35 AM PDT 0.0 9.00 Clear -- 48.2 46.4 93% NA NA 29.95 1014.2
06:25 AM PDT 0.0 9.00 Clear -- 48.2 46.4 93% NA NA 29.95 1014.2
06:20 AM PDT 3.4 10.00 Clear -- 48.2 46.4 93% 47.3 NA 29.95 1014.2
06:05 AM PDT 4.6 10.00 Clear -- 48.2 46.4 93% 46.4 NA 29.95 1014.2
06:00 AM PDT W 6.9 10.00 Clear -- 46.4 46.4 100% 43.0 NA 29.94 1013.9
05:50 AM PDT W 5.7 10.00 Clear -- 48.2 46.4 93% 45.7 NA 29.95 1014.2

Regional Weather Observation

NAPA (KAPC)

Partly Cloudy
53.6 F

NOVATO/GNOSS FLD (KDVO)

Clear
55.4 F

PETALUMA (KO69)

Partly Cloudy
51.8 F

CONCORD (KCCR)

Clear
57.2 F

SANTA ROSA (KSTS)

Cloudy
51.8 F

VACAVILLE (KVCB)

Clear
57.2 F
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