Monthly Historical AveragesHeisson, WA
Average Temperature
High
15°
Feels 14
Low
4°
Feels 3
Average Precipitation
16 Days
99.5mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, April 15, 2026
Day
8°Feels 6
Wind
15 km/h W
Gust
23 km/h
Humidity
66%
P.O.P
80%
Rain
~5 mm
Night
2°Feels -1
Wind
13 km/h W
Gust
20 km/h
Humidity
100%
P.O.P
80%
Rain
2-4 mm
Historical AveragesApr 15
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity