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
5th Sep
24

13

11

7
Sunday
6th Sep
22

12

10

6
Monday
7th Sep
28

12

10

7
Tuesday
8th Sep
29

15

11

7
Wednesday
9th Sep
30

17

2

1

5-day weather forecast updated at 04:01 on Saturday 5th 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 5th September 2026

Expect scattered clouds in Napa, California with a maximum temperature of 24°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

24
°C maximum temperature
13
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
24
°C wind chill
23
kph wind from SW

Napa weather for Sunday 6th September 2026

Expect scattered clouds in Napa, California with a maximum temperature of 22°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-west.

22
°C maximum temperature
12
°C minimum temperature
scattered clouds
10
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
25
kph wind from SW

Napa weather for Monday 7th September 2026

Expect scattered clouds in Napa, California with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

28
°C maximum temperature
12
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
14
kph wind from W

Napa weather for Tuesday 8th September 2026

Expect scattered clouds in Napa, California with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

29
°C maximum temperature
15
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
14
kph wind from SW

Napa weather for Wednesday 9th September 2026

Expect broken clouds in Napa, California with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.