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.

Saturday
22nd Aug
25

14

10

9
Sunday
23rd Aug
25

14

9

8
Monday
24th Aug
24

15

11

8
Tuesday
25th Aug
25

13

9

8
Wednesday
26th Aug
25

13

11

9

5-day weather forecast updated at 04:01 on Saturday 22nd August 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 Saturday 22nd August 2026

Expect scattered clouds in Napa, California with a maximum temperature of 25°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.

25
°C maximum temperature
14
°C minimum temperature
scattered 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 Sunday 23rd August 2026

Expect scattered clouds in Napa, California with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

25
°C maximum temperature
14
°C minimum temperature
scattered clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
25
°C wind chill
19
kph wind from SW

Napa weather for Monday 24th August 2026

Expect scattered clouds in Napa, California with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

24
°C maximum temperature
15
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from SW

Napa weather for Tuesday 25th August 2026

Expect broken clouds in Napa, California with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

25
°C maximum temperature
13
°C minimum temperature
broken clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from SW

Napa weather for Wednesday 26th August 2026

Expect scattered clouds in Napa, California with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.