Napa weather live forecast

Today's maximum temperature in Napa is expected to be 15°C. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

Saturday
11th Apr
15

9

0

2
Sunday
12th Apr
14

8

2

3
Monday
13th Apr
17

6

5

4
Tuesday
14th Apr
19

6

10

6
Wednesday
15th Apr
19

6

3

6

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

Expect mostly cloudy with rain in Napa, California with a maximum temperature of 15°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 100% chance of some rain and a moderate breeze of 23 kph from the south.

15
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
2
UV index (Low)
100
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
23
kph wind from S

Napa weather for Sunday 12th April 2026

Expect isolated thunderstorms in Napa, California with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 90% chance of some rain and a moderate breeze of 20 kph from the south-west.

14
°C maximum temperature
8
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
3
UV index (Moderate)
90
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
20
kph wind from SW

Napa weather for Monday 13th April 2026

Expect broken clouds in Napa, California with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

17
°C maximum temperature
6
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
12
kph wind from W

Napa weather for Tuesday 14th April 2026

Expect scattered clouds in Napa, California with a maximum temperature of 19°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.

19
°C maximum temperature
6
°C minimum temperature
scattered clouds
10
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
19
°C wind chill
16
kph wind from SW

Napa weather for Wednesday 15th April 2026

Expect broken clouds in Napa, California with a maximum temperature of 19°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the west.