Napa weather live forecast

Today's maximum temperature in Napa is expected to be 27°C. Select a day from the live weather forecast for Napa, California, USA for more weather parameters.

Saturday
25th Jul
27

14

13

10
Sunday
26th Jul
26

15

12

10
Monday
27th Jul
26

14

12

10
Tuesday
28th Jul
28

14

13

10
Wednesday
29th Jul
28

16

12

10

5-day weather forecast updated at 04:01 on Saturday 25th July 2026 GMT

More about Napa

Napa by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for California

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

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 25th July 2026

Expect scattered clouds in Napa, California with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the south-west.

27
°C maximum temperature
14
°C minimum temperature
scattered clouds
13
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
26
kph wind from SW

Napa weather for Sunday 26th July 2026

Expect scattered clouds in Napa, California with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the south-west.

26
°C maximum temperature
15
°C minimum temperature
scattered clouds
12
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
25
kph wind from SW

Napa weather for Monday 27th July 2026

26
°C maximum temperature
14
°C minimum temperature
scattered clouds
12
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
24
kph wind from SW

Napa weather for Tuesday 28th July 2026

Expect scattered clouds in Napa, California with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

28
°C maximum temperature
14
°C minimum temperature
scattered clouds
13
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
23
kph wind from SW

Napa weather for Wednesday 29th July 2026

Expect scattered clouds in Napa, California with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 10 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.