Monthly Historical AveragesIssaquah, WA
Average Temperature
High
6°
Feels 5
Low
2°
Feels -1
Average Precipitation
17 Days
138.5mm
6.4cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, December 24, 2025
Day
9°Feels 6
Wind
26 km/h N
Gust
39 km/h
Humidity
78%
P.O.P
60%
Rain
~1 mm
Night
1°Feels -2
Wind
17 km/h NE
Gust
26 km/h
Humidity
100%
P.O.P
30%
Historical AveragesDec 24
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity