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Hourly
7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Alstead, NH
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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
33°
20
27°
21
16°
22
19°
23
17°
24
13°
25
18°
26
21°
27
21°
28
21°
29
22°
30
22°
31
22°
Forecast
Tuesday, May 19, 2026
Day
33°
Feels 33
Wind
22 km/h W
Gust
33 km/h
Humidity
36%
P.O.P
40%
Rain
<1 mm
Night
22°
Feels 22
Wind
16 km/h W
Gust
24 km/h
Humidity
73%
P.O.P
20%
Historical Averages
May 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
May
Average Temperature
High
21°
Feels 21
Low
8°
Feels 7
Average Precipitation
11 Days
Rain amount
70mm
Snow amount
0.1cm