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.

Monday
8th Jun
25

11

2

8
Tuesday
9th Jun
25

15

11

9
Wednesday
10th Jun
31

14

15

10
Thursday
11th Jun
35

18

15

10
Friday
12th Jun
30

15

15

10

5-day weather forecast updated at 04:01 on Tuesday 9th June 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 8th June 2026

Expect mostly cloudy with light rain in Napa, California with a maximum temperature of 25°C, maximum UV of 8 (Very High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 1% chance of some rain and a moderate breeze of 27 kph from the west.

25
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
8
UV index (Very High)
1
% chance of some rain
<2
mm of rainfall expected
25
°C wind chill
27
kph wind from W

Napa weather for Tuesday 9th June 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 gentle breeze of 19 kph from the south-west.

25
°C maximum temperature
15
°C minimum temperature
scattered clouds
11
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from SW

Napa weather for Wednesday 10th June 2026

Expect clear skies in Napa, California with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

31
°C maximum temperature
14
°C minimum temperature
clear skies
15
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
17
kph wind from W

Napa weather for Thursday 11th June 2026

Expect clear skies in Napa, California with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-west.

35
°C maximum temperature
18
°C minimum temperature
clear skies
15
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
20
kph wind from SW

Napa weather for Friday 12th June 2026

Expect clear skies in Napa, California with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.