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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Great Valley, NY
Content continues below
May
Average Temperature
High
20°
Feels 20
Low
7°
Feels 6
Average Precipitation
13 Days
Rain amount
73.5mm
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
26°
18
30°
19
28°
20
16°
21
13°
22
17°
23
16°
24
19°
25
20°
26
20°
27
20°
28
20°
29
19°
30
20°
31
20°
Forecast
Sunday, May 17, 2026
Day
26°
Feels 26
Wind
16 km/h SW
Gust
33 km/h
Humidity
57%
P.O.P
40%
Rain
<1 mm
Night
18°
Feels 18
Wind
14 km/h S
Gust
21 km/h
Humidity
94%
P.O.P
40%
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.