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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Hyannis, MA
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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
27°
18
17°
19
22°
20
22°
21
15°
22
16°
23
15°
24
16°
25
16°
26
17°
27
17°
28
17°
29
18°
30
18°
31
18°
Forecast
Sunday, May 17, 2026
Day
27°
Feels 27
Wind
31 km/h SW
Gust
47 km/h
Humidity
45%
P.O.P
30%
Night
14°
Feels 13
Wind
31 km/h NE
Gust
45 km/h
Humidity
77%
P.O.P
10%
Historical Averages
May 17
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 17
Low
10°
Feels 8
Average Precipitation
9 Days
Rain amount
59.5mm
Snow amount
0cm