Napa weather live forecast

Today's maximum temperature in Napa is expected to be 12°C. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

Friday
26th Dec
12

9

1

0
Saturday
27th Dec
12

5

4

1
Sunday
28th Dec
12

3

10

2
Monday
29th Dec
12

3

7

2
Tuesday
30th Dec
12

3

8

2

5-day weather forecast updated at 04:02 on Thursday 25th 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 26th December 2025

Expect mostly cloudy with rain in Napa, California with a maximum temperature of 12°C and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 98% chance of some rain and a fresh breeze of 30 kph from the south.

12
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
0
UV index (None)
98
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
30
kph wind from S

Napa weather for Saturday 27th December 2025

Expect mostly cloudy with light rain in Napa, California with a maximum temperature of 12°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 4% chance of some rain and a light breeze of 12 kph from the north.

12
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
1
UV index (Low)
4
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
12
kph wind from N

Napa weather for Sunday 28th December 2025

Expect clear skies in Napa, California with a maximum temperature of 12°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.

12
°C maximum temperature
3
°C minimum temperature
clear skies
10
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
12
kph wind from NE

Napa weather for Monday 29th December 2025

Expect scattered clouds in Napa, California with a maximum temperature of 12°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.

12
°C maximum temperature
3
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from NE

Napa weather for Tuesday 30th December 2025

Expect scattered clouds in Napa, California with a maximum temperature of 12°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.