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Monthly
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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Chatham, MA
Content continues below
May
Average Temperature
High
15°
Feels 15
Low
10°
Feels 8
Average Precipitation
10 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
14°
6
14°
7
11°
8
11°
9
11°
10
13°
11
13°
12
12°
13
11°
14
12°
15
13°
16
12°
17
12°
18
12°
19
12°
20
21
22
23
24
25
26
27
28
29
30
31
Forecast
Tuesday, May 5, 2026
Day
14°
Feels 12
Wind
44 km/h SW
Gust
69 km/h
Humidity
76%
P.O.P
10%
Night
12°
Feels 8
Wind
47 km/h SW
Gust
71 km/h
Humidity
88%
P.O.P
20%
Historical Averages
May 5
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.