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.

Saturday
26th Sep
22

12

7

6
Sunday
27th Sep
20

13

7

6
Monday
28th Sep
25

11

10

6
Tuesday
29th Sep
29

13

12

6
Wednesday
30th Sep
27

13

10

6

5-day weather forecast updated at 04:01 on Saturday 26th 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 26th September 2026

Expect broken clouds in Napa, California with a maximum temperature of 22°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.

22
°C maximum temperature
12
°C minimum temperature
broken clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
22
°C wind chill
19
kph wind from SW

Napa weather for Sunday 27th September 2026

Expect broken clouds in Napa, California with a maximum temperature of 20°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

20
°C maximum temperature
13
°C minimum temperature
broken clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from SW

Napa weather for Monday 28th September 2026

Expect scattered clouds in Napa, California with a maximum temperature of 25°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the west.

25
°C maximum temperature
11
°C minimum temperature
scattered clouds
10
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from W

Napa weather for Tuesday 29th September 2026

Expect clear skies in Napa, California with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the west.

29
°C maximum temperature
13
°C minimum temperature
clear skies
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
18
kph wind from W

Napa weather for Wednesday 30th September 2026

Expect scattered clouds in Napa, California with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.