Napa weather live forecast

Today's maximum temperature in Napa is expected to be 22°C. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

Monday
10th Aug
22

13

10

9
Tuesday
11th Aug
22

13

9

9
Wednesday
12th Aug
21

14

8

8
Thursday
13th Aug
19

15

3

8
Friday
14th Aug
20

14

5

9

5-day weather forecast updated at 04:01 on Monday 10th 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 Monday 10th August 2026

Expect broken clouds in Napa, California with a maximum temperature of 22°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 21 kph from the south-west.

22
°C maximum temperature
13
°C minimum temperature
broken clouds
10
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
22
°C wind chill
21
kph wind from SW

Napa weather for Tuesday 11th August 2026

Expect broken clouds in Napa, California with a maximum temperature of 22°C, maximum UV of 9 (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.

22
°C maximum temperature
13
°C minimum temperature
broken clouds
9
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
22
°C wind chill
22
kph wind from SW

Napa weather for Wednesday 12th August 2026

Expect broken clouds in Napa, California with a maximum temperature of 21°C, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

21
°C maximum temperature
14
°C minimum temperature
broken clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
21
°C wind chill
22
kph wind from SW

Napa weather for Thursday 13th August 2026

Expect mostly cloudy with light rain in Napa, California with a maximum temperature of 19°C, maximum UV of 8 (Very High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 4% chance of some rain and a moderate breeze of 24 kph from the south-west.

19
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
8
UV index (Very High)
4
% chance of some rain
<2
mm of rainfall expected
19
°C wind chill
24
kph wind from SW

Napa weather for Friday 14th August 2026

Expect broken clouds in Napa, California with a maximum temperature of 20°C, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.