Monthly Historical AveragesRainier, WA
Average Temperature
High
9°
Feels 8
Low
2°
Feels -1
Average Precipitation
13 Days
77.9mm
0.9cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSaturday, February 21, 2026
Day
6°Feels 4
Wind
11 km/h NE
Gust
17 km/h
Humidity
81%
P.O.P
80%
Snow
<1 cm
Rain
~5 mm
Night
5°Feels 2
Wind
14 km/h E
Gust
21 km/h
Humidity
81%
P.O.P
60%
Rain
<1 mm
Historical AveragesFeb 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity