Monthly Historical AveragesChehalis, WA
Average Temperature
High
15°
Feels 14
Low
4°
Feels 3
Average Precipitation
13 Days
60.4mm
0.1cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, April 1, 2026
Day
9°Feels 7
Wind
21 km/h S
Gust
32 km/h
Humidity
81%
P.O.P
90%
Rain
15-20 mm
Night
3°Feels 1
Wind
13 km/h S
Gust
20 km/h
Humidity
100%
P.O.P
70%
Rain
1-3 mm
Historical AveragesApr 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity