Napa weather live forecast

Today's maximum temperature in Napa is expected to be 24°C. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

Saturday
12th Sep
24

13

10

7
Sunday
13th Sep
26

12

12

7
Monday
14th Sep
26

12

12

8
Tuesday
15th Sep
23

13

7

7

5-day weather forecast updated at 04:01 on Thursday 10th September 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 12th September 2026

Expect scattered clouds in Napa, California with a maximum temperature of 24°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the south-west.

24
°C maximum temperature
13
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
24
°C wind chill
30
kph wind from SW

Napa weather for Sunday 13th September 2026

Expect clear skies in Napa, California with a maximum temperature of 26°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the west.

26
°C maximum temperature
12
°C minimum temperature
clear skies
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
26
°C wind chill
21
kph wind from W

Napa weather for Monday 14th September 2026

Expect clear skies in Napa, California with a maximum temperature of 26°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.

26
°C maximum temperature
12
°C minimum temperature
clear skies
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
21
kph wind from SW

Napa weather for Tuesday 15th September 2026

Expect broken clouds in Napa, California with a maximum temperature of 23°C, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-west.