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National Weather Service
Weather Information for Napa, California
  MAPMAP
Weather Forecast
Issued at 03:45  (Local time)  23 Sep  2023 
Date Temperature oC Weather
Minimum Maximum
23 Sep
( Sat ) 		- 23 Patchy Fog then Sunny
Patchy Fog then Sunny
24 Sep
( Sun ) 		11 23 Patchy Fog then Mostly Sunny
Patchy Fog then Mostly Sunny
25 Sep
( Mon ) 		13 21 Slight Chance Drizzle and Patchy Fog
Slight Chance Drizzle and Patchy Fog
26 Sep
( Tue ) 		14 23 Patchy Fog then Sunny
Patchy Fog then Sunny
27 Sep
( Wed ) 		12 26 Sunny
Sunny
28 Sep
( Thu ) 		12 26 Sunny
Sunny
29 Sep
( Fri ) 		12 24 Mostly Sunny
Mostly Sunny
>> Click here for temperatures in oF
 
Climatological Information
Month Mean Temperature oC Mean Total Rainfall (mm) Mean Number of Rain Days
Daily
Minimum		 Daily
Maximum
Jan 2.8 12.8 111.3 10.5
Feb 3.7 15.3 96.3 10.8
Mar 4.6 17.8 63.5 8.2
Apr 5.3 20.1 26.4 6.4
May 7.5 22.6 20.8 3.4
Jun 9.9 25.8 4.8 0.8
Jul 11.4 25.7 0.0 0.2
Aug 11.1 26.4 0.8 0.1
Sep 9.6 26.5 8.1 0.7
Oct 6.2 23.4 24.6 3.5
Nov 3.8 17.6 65.0 6.6
Dec 2.2 13.1 96.3 12.6
>> Click here for temperatures in oF

Remarks:
* Climatological information is based on monthly averages for the 30-year period 1981-2010.
* Attention: Please note that the averaging period for climatological information and the definition of "Mean Number of Precipitation/Rain Days" quoted in this web site may be different for different countries. Hence, care should be taken when city climatologies are compared.