Monthly Historical AveragesMattawa, WA
Average Temperature
High
19°
Feels 19
Low
5°
Feels 2
Average Precipitation
3 Days
6.6mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 5, 2026
Day
22°Feels 22
Wind
7 km/h N
Gust
11 km/h
Humidity
29%
P.O.P
20%
Night
8°Feels 7
Wind
8 km/h W
Gust
12 km/h
Humidity
66%
P.O.P
20%
Historical AveragesApr 5
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity