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Data Calendar for Chehalis

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:  

 

Aug 2026Sep 2026 Oct 2026
SundayMondayTuesdayWednesday ThursdayFridaySaturday
303101
High: 66.2
Low: 55.4
Precip: M
Avg Wind: S @ 4.2
RH% Min/Max: 78-100
Feel Min/Max: 55 to 66
02
High: 64.4
Low: 57.2
Precip: M
Avg Wind: S @ 8.0
Gust:
SSW @ 26
(11:15 AM)
RH% Min/Max: 64-100
Feel Min/Max: 57 to 64
03
High: 62.6
Low: 51.8
Precip: M
Avg Wind: S @ 6.4
Gust:
E @ 18
(4:35 PM)
RH% Min/Max: 77-100
Feel Min/Max: 52 to 63
04
High: 71.6
Low: 48.2
Precip: M
Avg Wind: SSW @ 1.6
Gust:
SSW @ 23
(6:35 PM)
RH% Min/Max: 33-100
Feel Min/Max: 48 to 72
05
High: 71.6
Low: 46.4
Precip: M
Avg Wind: ENE @ 1.3
RH% Min/Max: 56-100
Feel Min/Max: 45 to 72
06
High: 75.2
Low: 50
Precip: M
Avg Wind: SW @ 2.5
Gust:
SW @ 14
(1:15 PM)
RH% Min/Max: 38-100
Feel Min/Max: 50 to 75
07
High: 69.8
Low: 53.6
Precip: M
Avg Wind: SSW @ 2.4
Gust:
NW @ 13
(5:55 PM)
RH% Min/Max: 53-100
Feel Min/Max: 54 to 70
08
High: 75.2
Low: 48.2
Precip: M
Avg Wind: NNE @ 3.6
Gust:
ENE @ 18
(2:55 PM)
RH% Min/Max: 41-100
Feel Min/Max: 48 to 75
09
High: 73.4
Low: 48.2
Precip: M
RH% Min/Max: 61-100
Feel Min/Max: 48 to 73
10

Precip: M
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27282930010203

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.