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Data Calendar for Napa County

The calendar chart below shows the daily reported climate variables. You can click on a date to display the values for all sites for that day. Time stamps are displayed in the America/Los_Angeles timezone. Wind speeds are in mph and temperatures in Fahrenheit. Values flagged with a (E) are estimated by the IEM.

Year:  

Month:  

 

Jul 2026Aug 2026 Sep 2026
SundayMondayTuesdayWednesday ThursdayFridaySaturday
26272829303101
High: 82
Low: 58
Precip: 0.00
Avg Wind: SSW @ 7.7
RH% Min/Max: 47-93
Feel Min/Max: 58 to 82
02
High: 86
Low: 58
Precip: 0.00
Avg Wind: SSW @ 7.6
RH% Min/Max: 41-90
Feel Min/Max: 59 to 85		03
High: 82
Low: 55
Precip: 0.00
Avg Wind: SSW @ 6.5
RH% Min/Max: 46-90
Feel Min/Max: 56 to 82		04
High: 77
Low: 56
Precip: 0.00
Avg Wind: SSW @ 9.2
Gust:
S @ 24
(4:15 PM)
RH% Min/Max: 56-96
Feel Min/Max: 56 to 76		05
High: 77
Low: 57
Precip: 0.00
Avg Wind: SW @ 11.3
Gust:
SSW @ 24
(9:50 AM)
RH% Min/Max: 54-93
Feel Min/Max: 57 to 76		06
High: 78
Low: 51
Precip: 0.00
Avg Wind: SW @ 9.5
Gust:
SSW @ 26
(5:54 PM)
RH% Min/Max: 52-96
Feel Min/Max: 52 to 77		07
High: 75
Low: 54
Precip: 0.00
Avg Wind: SW @ 9.3
Gust:
SSW @ 26
(7:25 PM)
RH% Min/Max: 60-96
Feel Min/Max: 54 to 74		08
High: 73
Low: 56
Precip: 0.00
Avg Wind: SW @ 9.8
Gust:
SSW @ 25
(6:35 PM)
RH% Min/Max: 64-96
Feel Min/Max: 56 to 72
09
High: 79
Low: 53
Precip: 0.00
Avg Wind: SSW @ 9.8
Gust:
SSW @ 26
(3:54 PM)
RH% Min/Max: 56-100
Feel Min/Max: 54 to 78		10
High: 74
Low: 55
Precip: 0.00
Avg Wind: SSW @ 11.6
Gust:
SSW @ 27
(4:54 PM)
RH% Min/Max: 53-93
Feel Min/Max: 56 to 74		11
High: 73
Low: 53
Precip: 0.00
Avg Wind: SSW @ 9.0
Gust:
SSW @ 26
(6:15 PM)
RH% Min/Max: 57-93
Feel Min/Max: 54 to 73		12
High: 73
Low: 54
Precip: 0.00
Avg Wind: SW @ 11.0
Gust:
SSW @ 30
(3:54 PM)
RH% Min/Max: 57-96
Feel Min/Max: 54 to 73		13
High: 71
Low: 55
Precip: 0.00
Avg Wind: SW @ 14.2
Gust:
SSW @ 32
(2:03 PM)
RH% Min/Max: 61-90
Feel Min/Max: 56 to 70		14
High: 71
Low: 58
Precip: 0.00
Avg Wind: SW @ 11.1
Gust:
SSW @ 27
(7:20 PM)
RH% Min/Max: 63-90
Feel Min/Max: 59 to 70		15
High: 74
Low: 59
Precip: 0.00
Gust:
SSW @ 20
(2:40 PM)
RH% Min/Max: 59-90
Feel Min/Max: 59 to 73
16

Precip: M		171819202122
23242526272829
30310102030405

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.

Daily High/Low Plot


Description: This chart of the monthly temperature data. The bars are the observations and the dots are climatology.

Daily Rainfall


Description: This chart is of daily precipitation for the month. The red line would be an average month while the blue line and bars are observations.

Daily Average Wind Speeds


Description: This chart is of the daily average wind speeds.

The data presented here provided by IEM API webservice: daily.json. A simple CSV option exists as well.