Napa weather live forecast

Today's maximum temperature in Napa is expected to be 13°C. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

Thursday
1st Jan
13

9

0

0
Friday
2nd Jan
14

11

0

1
Saturday
3rd Jan
14

9

0

2
Sunday
4th Jan
13

7

2

2

5-day weather forecast updated at 04:01 on Tuesday 30th 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 Thursday 1st January 2026

Expect cloudy with some rain in Napa, California with a maximum temperature of 13°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 93% chance of some rain and a gentle breeze of 17 kph from the north-east.

13
°C maximum temperature
9
°C minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
93
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
17
kph wind from NE

Napa weather for Friday 2nd January 2026

Expect cloudy with some rain in Napa, California with a maximum temperature of 14°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 89% chance of some rain and a fresh breeze of 29 kph from the south.

14
°C maximum temperature
11
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
89
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
29
kph wind from S

Napa weather for Saturday 3rd January 2026

Expect mostly cloudy with rain in Napa, California with a maximum temperature of 14°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 24 kph from the south.

14
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
2
UV index (Low)
67
% chance of some rain
<10
mm of rainfall expected
14
°C wind chill
24
kph wind from S

Napa weather for Sunday 4th January 2026

Expect mostly cloudy with light rain in Napa, California with a maximum temperature of 13°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a light breeze of 12 kph from the south-east.