Monthly Historical AveragesSumner, WA
Average Temperature
High
15°
Feels 14
Low
5°
Feels 4
Average Precipitation
12 Days
45.4mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, April 15, 2026
Day
9°Feels 7
Wind
19 km/h SW
Gust
29 km/h
Humidity
61%
P.O.P
80%
Rain
~5 mm
Night
1°Feels -1
Wind
16 km/h SE
Gust
24 km/h
Humidity
100%
P.O.P
90%
Rain
5-10 mm
Historical AveragesApr 15
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity