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Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Nashua, NH
Content continues below
May
Average Temperature
High
21°
Feels 21
Low
9°
Feels 8
Average Precipitation
10 Days
Rain amount
66.6mm
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
25°
19
34°
20
30°
21
18°
22
20°
23
16°
24
14°
25
16°
26
20°
27
22°
28
22°
29
23°
30
23°
31
23°
Forecast
Monday, May 18, 2026
Day
25°
Feels 25
Wind
20 km/h SE
Gust
36 km/h
Humidity
39%
P.O.P
30%
Night
17°
Feels 17
Wind
13 km/h SE
Gust
29 km/h
Humidity
83%
P.O.P
20%
Historical Averages
May 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.