Monthly Historical AveragesUnion, NY
Average Temperature
High
20°
Feels 20
Low
8°
Feels 7
Average Precipitation
12 Days
75.1mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastFriday, May 1, 2026
Day
11°Feels 10
Wind
12 km/h W
Gust
28 km/h
Humidity
43%
P.O.P
40%
Rain
~1 mm
Night
2°Feels -2
Wind
10 km/h W
Gust
26 km/h
Humidity
100%
P.O.P
90%
Rain
~5 mm
Historical AveragesMay 1
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity