Monthly Historical AveragesArlington, WA
Average Temperature
High
7°
Feels 6
Low
1°
Feels -1
Average Precipitation
15 Days
131.3mm
4.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, January 8, 2026
Day
5°Feels 3
Wind
15 km/h SE
Gust
23 km/h
Humidity
87%
P.O.P
80%
Rain
~5 mm
Night
4°Feels 2
Wind
12 km/h S
Gust
18 km/h
Humidity
100%
P.O.P
60%
Rain
1-3 mm
Historical AveragesJan 8
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity