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7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Boston Logan Intnl Airport, MA
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May
Average Temperature
High
18°
Feels 18
Low
11°
Feels 9
Average Precipitation
10 Days
Rain amount
74mm
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
26°
18
21°
19
29°
20
28°
21
16°
22
17°
23
15°
24
16°
25
17°
26
19°
27
20°
28
21°
29
21°
30
21°
31
21°
Forecast
Sunday, May 17, 2026
Day
26°
Feels 26
Wind
23 km/h W
Gust
34 km/h
Humidity
39%
P.O.P
10%
Night
13°
Feels 12
Wind
21 km/h W
Gust
31 km/h
Humidity
82%
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.