Napa weather live forecast

Today's maximum temperature in Napa is expected to be 20°C. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

Friday
29th May
20

13

5

5
Saturday
30th May
23

12

9

8
Sunday
31st May
26

11

14

9
Monday
1st Jun
27

12

13

9
Tuesday
2nd Jun
23

11

10

7

5-day weather forecast updated at 04:01 on Friday 29th May 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 29th May 2026

Expect broken clouds in Napa, California with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

20
°C maximum temperature
13
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
18
kph wind from SW

Napa weather for Saturday 30th May 2026

Expect broken clouds in Napa, California with a maximum temperature of 23°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.

23
°C maximum temperature
12
°C minimum temperature
broken clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
23
°C wind chill
19
kph wind from SW

Napa weather for Sunday 31st May 2026

Expect clear skies in Napa, California with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

26
°C maximum temperature
11
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
19
kph wind from W

Napa weather for Monday 1st June 2026

Expect clear skies 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 gentle breeze of 18 kph from the south-west.

27
°C maximum temperature
12
°C minimum temperature
clear skies
13
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
18
kph wind from SW

Napa weather for Tuesday 2nd June 2026

Expect scattered clouds in Napa, California with a maximum temperature of 23°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-west.