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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Westhampton Beach, NY
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May
Average Temperature
High
17°
Feels 17
Low
10°
Feels 9
Average Precipitation
13 Days
Rain amount
75.9mm
Snow amount
0cm
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
18
19
20
24°
21
15°
22
15°
23
13°
24
14°
25
16°
26
18°
27
19°
28
19°
29
18°
30
16°
31
17°
Forecast
Wednesday, May 20, 2026
Day
24°
Feels 24
Wind
29 km/h SW
Gust
44 km/h
Humidity
65%
P.O.P
40%
Rain
~1 mm
Night
15°
Feels 14
Wind
24 km/h W
Gust
36 km/h
Humidity
94%
P.O.P
70%
Rain
~5 mm
Historical Averages
May 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.