Napa weather live forecast

Today's maximum temperature in Napa is expected to be 25°C. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

Friday
3rd Jul
25

12

12

9
Saturday
4th Jul
24

13

10

10
Sunday
5th Jul
22

13

10

7
Monday
6th Jul
22

13

8

10
Tuesday
7th Jul
23

13

10

10

5-day weather forecast updated at 04:01 on Saturday 4th July 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 Friday 3rd July 2026

Expect scattered clouds in Napa, California with a maximum temperature of 25°C, maximum UV of 9 (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.

25
°C maximum temperature
12
°C minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
25
°C wind chill
21
kph wind from SW

Napa weather for Saturday 4th July 2026

Expect scattered clouds in Napa, California with a maximum temperature of 24°C, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.

24
°C maximum temperature
13
°C minimum temperature
scattered clouds
10
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from SW

Napa weather for Sunday 5th July 2026

Expect broken clouds in Napa, California with a maximum temperature of 22°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

22
°C maximum temperature
13
°C minimum temperature
broken clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
22
°C wind chill
22
kph wind from SW

Napa weather for Monday 6th July 2026

Expect broken clouds in Napa, California with a maximum temperature of 22°C, maximum UV of 10 (Very High) and 8 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
broken clouds
8
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from SW

Napa weather for Tuesday 7th July 2026

Expect broken clouds in Napa, California with a maximum temperature of 23°C, maximum UV of 10 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.