The long-range forecast for Napa reveals lower temperatures than usual for this time of the year, with temperatures around 28.1 °C.
In the coming days, the forecasted temperatures are expected to be on average -2 °C lower than the average of the last few years.
Select a month and click on a day for more information:
Tuesday
Sep 1
26° / 11°
Wednesday
Sep 2
29° / 12°
Thursday
Sep 3
28° / 13°
Friday
Sep 4
27° / 13°
Saturday
Sep 5
27° / 13°
Sunday
Sep 6
29° / 12°
Monday
Sep 7
31° / 16°
Tuesday
Sep 8
33° / 15°
Wednesday
Sep 9
30° / 15°
Thursday
Sep 10
26° / 13°
Friday
Sep 11
29° / 14°
Saturday
Sep 12
29° / 14°
Sunday
Sep 13
28° / 14°
Monday
Sep 14
29° / 13°
Tuesday
Sep 15
28° / 13°
Wednesday
Sep 16
26° / 13°
Thursday
Sep 17
26° / 13°
Friday
Sep 18
23° / 13°
Saturday
Sep 19
25° / 14°
Sunday
Sep 20
27° / 14°
Monday
Sep 21
28° / 14°
Tuesday
Sep 22
28° / 13°
Wednesday
Sep 23
33° / 14°
Thursday
Sep 24
30° / 16°
Friday
Sep 25
28° / 14°
Saturday
Sep 26
29° / 14°
Sunday
Sep 27
29° / 13°
Monday
Sep 28
27° / 13°
Tuesday
Sep 29
27° / 13°
Wednesday
Sep 30
28° / 13°
Napa 30 days weather forecast
Check out our estimated 30 days weather forecast for Napa, this data is based on the average weather in Napa in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Napa next to the desired date.