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.

Friday
17th Apr
22

10

13

7
Saturday
18th Apr
23

9

8

7
Sunday
19th Apr
21

10

2

6
Monday
20th Apr
16

10

2

2
Tuesday
21st Apr
15

9

1

3

5-day weather forecast updated at 04:08 on Friday 17th 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 Friday 17th April 2026

Expect clear skies 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 16 kph from the north.

22
°C maximum temperature
10
°C minimum temperature
clear skies
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
22
°C wind chill
16
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 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-west.

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

Napa weather for Sunday 19th April 2026

Expect broken clouds in Napa, California with a maximum temperature of 21°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south-west.

21
°C maximum temperature
10
°C minimum temperature
broken clouds
2
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
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 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 68% chance of some rain and a gentle breeze of 16 kph from the south-west.

16
°C maximum temperature
10
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
2
UV index (Low)
68
% chance of some rain
<20
mm of rainfall expected
16
°C wind chill
16
kph wind from SW

Napa weather for Tuesday 21st April 2026

Expect mostly cloudy with rain in Napa, California with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 93% chance of some rain and a light breeze of 12 kph from the south-west.