Napa weather live forecast

Today's maximum temperature in Napa is expected to be 17°C. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

Monday
12th Jan
17

4

9

2
Tuesday
13th Jan
17

4

4

2
Wednesday
14th Jan
17

4

4

2
Thursday
15th Jan
18

6

5

2
Friday
16th Jan
19

6

8

2

5-day weather forecast updated at 04:02 on Monday 12th January 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 Monday 12th January 2026

Expect scattered clouds in Napa, California with a maximum temperature of 17°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.

17
°C maximum temperature
4
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
17
°C wind chill
13
kph wind from NE

Napa weather for Tuesday 13th January 2026

Expect fog in low lying areas in Napa, California with a maximum temperature of 17°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

17
°C maximum temperature
4
°C minimum temperature
fog in low lying areas
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from NE

Napa weather for Wednesday 14th January 2026

17
°C maximum temperature
4
°C minimum temperature
fog in low lying areas
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
17
°C wind chill
13
kph wind from NE

Napa weather for Thursday 15th January 2026

Expect fog in low lying areas in Napa, California with a maximum temperature of 18°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.

18
°C maximum temperature
6
°C minimum temperature
fog in low lying areas
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
18
°C wind chill
16
kph wind from NE

Napa weather for Friday 16th January 2026

Expect broken clouds in Napa, California with a maximum temperature of 19°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.