Monthly Historical AveragesUnion, WV
Average Temperature
High
23°
Feels 24
Low
11°
Feels 10
Average Precipitation
13 Days
57.9mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastFriday, May 22, 2026
Day
14°Feels 13
Wind
13 km/h E
Gust
20 km/h
Humidity
96%
P.O.P
90%
Rain
5-10 mm
Night
11°Feels 10
Wind
15 km/h E
Gust
23 km/h
Humidity
99%
P.O.P
90%
Rain
2-4 mm
Historical AveragesMay 22
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity