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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Herkimer, NY
Content continues below
May
Average Temperature
High
21°
Feels 21
Low
8°
Feels 6
Average Precipitation
13 Days
Rain amount
93.9mm
Snow amount
0.1cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
27°
18
32°
19
30°
20
22°
21
15°
22
19°
23
17°
24
19°
25
19°
26
21°
27
21°
28
22°
29
20°
30
21°
31
21°
Forecast
Sunday, May 17, 2026
Day
27°
Feels 28
Wind
23 km/h W
Gust
41 km/h
Humidity
51%
P.O.P
40%
Rain
<1 mm
Night
16°
Feels 15
Wind
16 km/h NW
Gust
24 km/h
Humidity
83%
P.O.P
60%
Rain
~1 mm
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.