Napa weather live forecast

Today's maximum temperature in Napa is expected to be 27°C. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

Monday
29th Jun
27

14

13

9
Tuesday
30th Jun
22

13

12

8
Wednesday
1st Jul
21

13

10

9
Thursday
2nd Jul
21

13

6

9
Friday
3rd Jul
23

13

12

8

5-day weather forecast updated at 04:01 on Monday 29th June 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 29th June 2026

Expect scattered clouds in Napa, California with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-west.

27
°C maximum temperature
14
°C minimum temperature
scattered clouds
13
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
25
kph wind from SW

Napa weather for Tuesday 30th June 2026

Expect scattered clouds in Napa, California with a maximum temperature of 22°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

22
°C maximum temperature
13
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
22
°C wind chill
23
kph wind from SW

Napa weather for Wednesday 1st July 2026

Expect broken clouds in Napa, California with a maximum temperature of 21°C, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

21
°C maximum temperature
13
°C minimum temperature
broken clouds
10
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from SW

Napa weather for Thursday 2nd July 2026

Expect broken clouds in Napa, California with a maximum temperature of 21°C, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

21
°C maximum temperature
13
°C minimum temperature
broken clouds
6
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
21
°C wind chill
23
kph wind from SW

Napa weather for Friday 3rd July 2026

Expect scattered clouds in Napa, California with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.