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May weather forecast in Boston
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
28
+13
+9
28 April, Sunday. day, 13°; night, 9°; rain
29
+12
+9
29 April, Monday. day, 12°; night, 9°; rain
30
+12
+8
30 April, Tuesday. day, 12°; night, 8°; partly cloudy
1
+14
+9
1 May, Wednesday. day, 14°; night, 9°; overcast
2
+14
+10
2 May, Thursday. day, 14°; night, 10°; rain
3
+14
+10
3 May, Friday. day, 14°; night, 10°; overcast
4
+13
+10
4 May, Saturday. day, 13°; night, 10°; rain
5
+15
+9
5 May, Sunday. day, 15°; night, 9°; partly cloudy
6
+16
+10
6 May, Monday. day, 16°; night, 10°; partly cloudy
7
+15
+12
7 May, Tuesday. day, 15°; night, 12°; overcast
8
+14
+10
8 May, Wednesday. day, 14°; night, 10°; rain
9
+16
+11
9 May, Thursday. day, 16°; night, 11°; rain
10
+16
+11
10 May, Friday. day, 16°; night, 11°; partly cloudy
11
+16
+11
11 May, Saturday. day, 16°; night, 11°; clear
12
+15
+10
12 May, Sunday. day, 15°; night, 10°; partly cloudy
13
+15
+10
13 May, Monday. day, 15°; night, 10°; clear
14
+17
+13
14 May, Tuesday. day, 17°; night, 13°; rain
15
+18
+13
15 May, Wednesday. day, 18°; night, 13°; rain
16
+17
+13
16 May, Thursday. day, 17°; night, 13°; overcast
17
+17
+13
17 May, Friday. day, 17°; night, 13°; overcast
18
+17
+13
18 May, Saturday. day, 17°; night, 13°; clear
19
+18
+12
19 May, Sunday. day, 18°; night, 12°; partly cloudy
20
+19
+13
20 May, Monday. day, 19°; night, 13°; partly cloudy
21
+17
+12
21 May, Tuesday. day, 17°; night, 12°; clear
22
+15
+12
22 May, Wednesday. day, 15°; night, 12°; clear
23
+20
+13
23 May, Thursday. day, 20°; night, 13°; rain
24
+18
+14
24 May, Friday. day, 18°; night, 14°; overcast
25
+21
+13
25 May, Saturday. day, 21°; night, 13°; rain
26
+20
+15
26 May, Sunday. day, 20°; night, 15°; clear
27
+18
+14
27 May, Monday. day, 18°; night, 14°; rain
28
+19
+14
28 May, Tuesday. day, 19°; night, 14°; rain
29
+21
+15
29 May, Wednesday. day, 21°; night, 15°; partly cloudy
30
+21
+16
30 May, Thursday. day, 21°; night, 16°; partly cloudy
31
+22
+15
31 May, Friday. day, 22°; night, 15°; partly cloudy
1
+20
+16
1 June, Saturday. day, 20°; night, 16°; partly cloudy
Average data for 10 years
Boston May
6
sunny days
10
days with precipitation
15
cloudy days
6 sunny days; 10 days with precipitation; 15 cloudy days;
70
%
air humidity
3.7
m/s
Wind
SW
78
mm of precipitation
(8% of annual average)
air humidity 70%; 78 millimeters of precipitation (8% of annual average); Wind south-westerly 3.7 Meters per second
Weather graphs for May
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
S
SW
S
NE
SW
S
W
W
W
N
W
N
W
SW
W
W
W
NW
W
S
S
SE
SW
N
SW
S
SE
SE
W
SW
SW
1
Average data for 10 years
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Daytime temperature
Night-time temperature
Cities near you
New York
Islandia
Colchester
Lake George
Hartford
Portland
Queensbury
New Brunswick
Nantucket
Cities with similar weather in May
Toronto
Vancouver
Chicago
Gdansk
Seattle
Montreal
San Remo
San Sebastian