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.

Tuesday
28th Apr
21

10

12

5
Wednesday
29th Apr
23

10

12

7
Thursday
30th Apr
23

11

10

8
Friday
1st May
23

11

5

8
Saturday
2nd May
21

11

5

7

5-day weather forecast updated at 04:01 on Tuesday 28th April 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 Tuesday 28th April 2026

Expect scattered clouds in Napa, California with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

21
°C maximum temperature
10
°C minimum temperature
scattered clouds
12
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from SW

Napa weather for Wednesday 29th April 2026

Expect scattered clouds in Napa, California with a maximum temperature of 23°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

23
°C maximum temperature
10
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
23
°C wind chill
19
kph wind from W

Napa weather for Thursday 30th April 2026

Expect scattered clouds in Napa, California with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.

23
°C maximum temperature
11
°C minimum temperature
scattered clouds
10
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
23
°C wind chill
18
kph wind from SW

Napa weather for Friday 1st May 2026

Expect broken clouds in Napa, California with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

23
°C maximum temperature
11
°C minimum temperature
broken clouds
5
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
23
°C wind chill
17
kph wind from SW

Napa weather for Saturday 2nd May 2026

Expect broken clouds in Napa, California with a maximum temperature of 21°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the south-west.