Napa weather live forecast

Today's maximum temperature in Napa is expected to be 21°C. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

Friday
10th Jul
21

13

11

10
Saturday
11th Jul
26

13

9

10
Sunday
12th Jul
26

16

4

8
Monday
13th Jul
29

18

9

10
Tuesday
14th Jul
30

17

10

9

5-day weather forecast updated at 04:01 on Saturday 11th July 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 10th July 2026

Expect scattered clouds in Napa, California with a maximum temperature of 21°C, maximum UV of 10 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

21
°C maximum temperature
13
°C minimum temperature
scattered clouds
11
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from SW

Napa weather for Saturday 11th July 2026

Expect scattered clouds in Napa, California with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-west.

26
°C maximum temperature
13
°C minimum temperature
scattered clouds
9
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
20
kph wind from SW

Napa weather for Sunday 12th July 2026

Expect broken clouds in Napa, California with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

26
°C maximum temperature
16
°C minimum temperature
broken clouds
4
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
17
kph wind from SW

Napa weather for Monday 13th July 2026

Expect broken clouds in Napa, California with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

29
°C maximum temperature
18
°C minimum temperature
broken clouds
9
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
17
kph wind from SW

Napa weather for Tuesday 14th July 2026

Expect scattered clouds in Napa, California with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.