Napa weather live forecast

Today's maximum temperature in Napa is expected to be 15°C. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

Monday
26th Jan
15

4

8

2
Tuesday
27th Jan
14

3

3

2
Wednesday
28th Jan
17

6

5

3
Thursday
29th Jan
16

6

0

3
Friday
30th Jan
17

6

3

2

5-day weather forecast updated at 04:02 on Monday 26th January 2026 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 Monday 26th January 2026

Expect scattered clouds in Napa, California with a maximum temperature of 15°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-east.

15
°C maximum temperature
4
°C minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
15
°C wind chill
15
kph wind from NE

Napa weather for Tuesday 27th January 2026

Expect mostly cloudy with light rain in Napa, California with a maximum temperature of 14°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 33% chance of some rain and a gentle breeze of 13 kph from the north-east.

14
°C maximum temperature
3
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
33
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
13
kph wind from NE

Napa weather for Wednesday 28th January 2026

Expect mostly cloudy with light rain in Napa, California with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 9% chance of some rain and a light breeze of 12 kph from the north.

17
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
3
UV index (Moderate)
9
% chance of some rain
<5
mm of rainfall expected
17
°C wind chill
12
kph wind from N

Napa weather for Thursday 29th January 2026

Expect fog in low lying areas in Napa, California with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-east.

16
°C maximum temperature
6
°C minimum temperature
fog in low lying areas
0
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from NE

Napa weather for Friday 30th January 2026

Expect broken clouds in Napa, California with a maximum temperature of 17°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.