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.

Thursday
16th Apr
21

8

13

6
Friday
17th Apr
22

10

13

7
Saturday
18th Apr
23

8

11

7
Sunday
19th Apr
19

9

5

5
Monday
20th Apr
16

10

3

1

5-day weather forecast updated at 04:01 on Thursday 16th 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 Thursday 16th April 2026

Expect clear skies in Napa, California with a maximum temperature of 21°C, maximum UV of 6 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north.

21
°C maximum temperature
8
°C minimum temperature
clear skies
13
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
21
°C wind chill
19
kph wind from N

Napa weather for Friday 17th April 2026

Expect scattered clouds in Napa, California with a maximum temperature of 22°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north.

22
°C maximum temperature
10
°C minimum temperature
scattered clouds
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from N

Napa weather for Saturday 18th April 2026

Expect scattered clouds in Napa, California with a maximum temperature of 23°C, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-west.

23
°C maximum temperature
8
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from SW

Napa weather for Sunday 19th April 2026

Expect mostly cloudy with light rain in Napa, California with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a gentle breeze of 17 kph from the south-west.

19
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
5
UV index (Moderate)
48
% chance of some rain
<2
mm of rainfall expected
19
°C wind chill
17
kph wind from SW

Napa weather for Monday 20th April 2026

Expect mostly cloudy with rain in Napa, California with a maximum temperature of 16°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 17 kph from the south-west.