Napa weather live forecast

Today's maximum temperature in Napa is expected to be 54°F. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

Friday
12th Dec
54

41

7

2
Saturday
13th Dec
52

39

1

2
Sunday
14th Dec
50

37

0

2
Monday
15th Dec
50

39

0

2
Tuesday
16th Dec
54

43

0

2

5-day weather forecast updated at 04:02 on Friday 12th December 2025 GMT

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The 5-day weather forecast for California (Napa) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Napa weather forecast by day

Below are the detailed weather forecasts for Napa for the next 5 days.

Napa weather for Friday 12th December 2025

Expect fog in low lying areas in Napa, California with a maximum temperature of 54°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the east.

54
°F maximum temperature
41
°F minimum temperature
fog in low lying areas
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
54
°F wind chill
9
mph wind from E

Napa weather for Saturday 13th December 2025

Expect fog in low lying areas in Napa, California with a maximum temperature of 52°F, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north-east.

52
°F maximum temperature
39
°F minimum temperature
fog in low lying areas
1
hour of sunshine
2
UV index (Low)
0
mm of rainfall expected
52
°F wind chill
7
mph wind from NE

Napa weather for Sunday 14th December 2025

Expect fog in low lying areas in Napa, California with a maximum temperature of 50°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north-east.

50
°F maximum temperature
37
°F minimum temperature
fog in low lying areas
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
6
mph wind from NE

Napa weather for Monday 15th December 2025

50
°F maximum temperature
39
°F minimum temperature
fog in low lying areas
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
6
mph wind from NE

Napa weather for Tuesday 16th December 2025

Expect cloudy with some rain in Napa, California with a maximum temperature of 54°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 39% chance of some rain and a light breeze of 7 mph from the south-west.