Monthly Historical AveragesJohn Sam Lake, WA
Average Temperature
High
17°
Feels 16
Low
8°
Feels 7
Average Precipitation
12 Days
59.2mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, May 25, 2026
Day
16°Feels 15
Wind
20 km/h SE
Gust
30 km/h
Humidity
55%
P.O.P
70%
Rain
1-3 mm
Night
10°Feels 9
Wind
16 km/h SE
Gust
24 km/h
Humidity
96%
P.O.P
70%
Rain
1-3 mm
Historical AveragesMay 25
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity