Napa Valley, California Weather Forecast / Climate

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In Depth

Weather information for the Napa Valley area is provided below. Average temperatures, climate details and current forecasts are included!

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Climate
Current Forecast

Climate

Close to the ocean and yet shielded by mountains, Napa Valley has a wet but temperate climate ideal for both vineyards and visitors. The bulk of the year features long, warm days with little moisture, followed by cool evenings. During winter there is more moisture, but temperatures never become extreme in either direction.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec

Avg. High	57	62	65	71	75	81	83	82	82	76	64	57

Avg. Low	39	42	43	45	49	53	55	55	53	49	43	39

Precipitation	5.4	5.0	4.1	1.5	0.8	0.2	0.1	0.1	0.4	1.4	3.7	3.9

Live weather is currently unavailable.

Please visit weather.gov for current and forecasted weather.

Today

Mostly Sunny then Slight Chance Light Rain

Tonight

Mostly Clear

Friday

Sunny

Friday Night

Mostly Clear

Saturday

Sunny

Saturday Night

Mostly Clear then Patchy Fog

59°F

Wind 5 mph WSW

37°F

Wind 2 mph NNE

67°F

Wind 2 to 6 mph NNW

38°F

Wind 1 to 6 mph WNW

66°F

Wind 3 mph E

40°F

Wind 3 mph SSW

Detailed Forecast
Today	A slight chance of rain between 2pm and 3pm. Mostly sunny, with a high near 59. West southwest wind around 5 mph. Chance of precipitation is 20%.
Tonight	Mostly clear, with a low around 37. North northeast wind around 2 mph.
Friday	Sunny. High near 67, with temperatures falling to around 63 in the afternoon. North northwest wind 2 to 6 mph.
Friday Night	Mostly clear, with a low around 38. West northwest wind 1 to 6 mph.
Saturday	Sunny, with a high near 66. East wind around 3 mph.
Saturday Night	Patchy fog after 5am. Mostly clear, with a low around 40.
Sunday	Patchy fog before 8am. Mostly sunny, with a high near 65.
Sunday Night	A chance of rain after 11pm. Mostly cloudy, with a low around 42.
Monday	A chance of rain. Partly sunny, with a high near 60.
Monday Night	A chance of rain. Mostly cloudy, with a low around 42.
Tuesday	Rain likely. Mostly cloudy, with a high near 60.
Tuesday Night	Rain. Cloudy, with a low around 44.
Wednesday	Rain. Cloudy, with a high near 55.
Wednesday Night	Rain. Mostly cloudy, with a low around 38.

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