The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Cohasset, MA
Content continues below
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
33°
20
27°
21
14°
22
14°
23
13°
24
12°
25
16°
26
19°
27
20°
28
19°
29
20°
30
20°
31
20°
Forecast
Tuesday, May 19, 2026
Day
33°
Feels 34
Wind
25 km/h SW
Gust
39 km/h
Humidity
40%
P.O.P
30%
Night
20°
Feels 20
Wind
23 km/h SW
Gust
36 km/h
Humidity
73%
P.O.P
40%
Rain
<1 mm
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
18°
Feels 18
Low
10°
Feels 8
Average Precipitation
10 Days
Rain amount
61.6mm
Snow amount
0cm