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May weather forecast in Portsmouth
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
27
+13
+8
27 April, sun
+13
+8
Feels like
+9
758 mmHg
70%
7
m/s
W
+12
27 April, Sunday. day, 13°; night, 8°; clear
28
+11
+9
28 April, mon
+11
+9
Feels like
+7
761 mmHg
63%
7.3
m/s
W
+11
28 April, Monday. day, 11°; night, 9°; rain
29
+11
+9
29 April, tue
+11
+9
Feels like
+6
763 mmHg
64%
6
m/s
SW
+11
29 April, Tuesday. day, 11°; night, 9°; rain
30
+11
+8
30 April, wed
+11
+8
Feels like
+7
762 mmHg
69%
5.5
m/s
S
+11
30 April, Wednesday. day, 11°; night, 8°; partly cloudy
1
+12
+9
1 May, thu
+12
+9
Feels like
+9
761 mmHg
75%
5
m/s
S
+11
1 May, Thursday. day, 12°; night, 9°; overcast
2
+12
+10
2 May, fri
+12
+10
Feels like
+9
761 mmHg
76%
5.5
m/s
S
+12
2 May, Friday. day, 12°; night, 10°; clear
3
+13
+10
3 May, sat
+13
+10
Feels like
+10
761 mmHg
75%
5.1
m/s
S
+12
3 May, Saturday. day, 13°; night, 10°; overcast
4
+11
+10
4 May, sun
+11
+10
Feels like
+8
760 mmHg
79%
6.4
m/s
NE
+11
4 May, Sunday. day, 11°; night, 10°; rain
5
+14
+9
5 May, mon
+14
+9
Feels like
+10
758 mmHg
74%
6
m/s
SW
+12
5 May, Monday. day, 14°; night, 9°; partly cloudy
6
+15
+10
6 May, tue
+15
+10
Feels like
+12
759 mmHg
73%
5.9
m/s
S
+14
6 May, Tuesday. day, 15°; night, 10°; partly cloudy
7
+12
+11
7 May, wed
+12
+11
Feels like
+9
759 mmHg
77%
5.8
m/s
E
+13
7 May, Wednesday. day, 12°; night, 11°; clear
8
+13
+10
8 May, thu
+13
+10
Feels like
+9
758 mmHg
77%
5.6
m/s
W
+12
8 May, Thursday. day, 13°; night, 10°; rain
9
+14
+10
9 May, fri
+14
+10
Feels like
+11
758 mmHg
74%
6.5
m/s
NW
+13
9 May, Friday. day, 14°; night, 10°; rain
10
+14
+11
10 May, sat
+14
+11
Feels like
+11
759 mmHg
72%
6.5
m/s
N
+13
10 May, Saturday. day, 14°; night, 11°; partly cloudy
11
+15
+10
11 May, sun
+15
+10
Feels like
+12
760 mmHg
68%
5
m/s
W
+14
11 May, Sunday. day, 15°; night, 10°; partly cloudy
12
+13
+10
12 May, mon
+13
+10
Feels like
+10
762 mmHg
63%
6
m/s
NW
+13
12 May, Monday. day, 13°; night, 10°; partly cloudy
13
+14
+10
13 May, tue
+14
+10
Feels like
+10
761 mmHg
73%
5.9
m/s
E
+14
13 May, Tuesday. day, 14°; night, 10°; clear
14
+15
+12
14 May, wed
+15
+12
Feels like
+11
759 mmHg
74%
6.3
m/s
SW
+14
14 May, Wednesday. day, 15°; night, 12°; overcast
15
+16
+12
15 May, thu
+16
+12
Feels like
+13
759 mmHg
70%
6.6
m/s
W
+14
15 May, Thursday. day, 16°; night, 12°; rain
16
+16
+12
16 May, fri
+16
+12
Feels like
+12
760 mmHg
70%
6
m/s
SW
+15
16 May, Friday. day, 16°; night, 12°; overcast
17
+15
+12
17 May, sat
+15
+12
Feels like
+12
762 mmHg
69%
5.6
m/s
E
+15
17 May, Saturday. day, 15°; night, 12°; overcast
18
+15
+12
18 May, sun
+15
+12
Feels like
+12
761 mmHg
75%
6
m/s
N
+14
18 May, Sunday. day, 15°; night, 12°; clear
19
+16
+12
19 May, mon
+16
+12
Feels like
+13
760 mmHg
67%
5.5
m/s
W
+15
19 May, Monday. day, 16°; night, 12°; clear
20
+16
+13
20 May, tue
+16
+13
Feels like
+13
761 mmHg
67%
6
m/s
S
+15
20 May, Tuesday. day, 16°; night, 13°; partly cloudy
21
+15
+12
21 May, wed
+15
+12
Feels like
+13
761 mmHg
75%
4.6
m/s
S
+14
21 May, Wednesday. day, 15°; night, 12°; rain
22
+14
+11
22 May, thu
+14
+11
Feels like
+11
760 mmHg
81%
5
m/s
S
+14
22 May, Thursday. day, 14°; night, 11°; rain
23
+19
+13
23 May, fri
+19
+13
Feels like
+17
758 mmHg
76%
5.1
m/s
SW
+16
23 May, Friday. day, 19°; night, 13°; rain
24
+16
+14
24 May, sat
+16
+14
Feels like
+14
760 mmHg
77%
6.1
m/s
NE
+15
24 May, Saturday. day, 16°; night, 14°; rain
25
+19
+13
25 May, sun
+19
+13
Feels like
+17
759 mmHg
73%
6.4
m/s
SW
+17
25 May, Sunday. day, 19°; night, 13°; rain
26
+18
+14
26 May, mon
+18
+14
Feels like
+16
760 mmHg
75%
6
m/s
S
+17
26 May, Monday. day, 18°; night, 14°; partly cloudy
27
+15
+13
27 May, tue
+15
+13
Feels like
+13
762 mmHg
81%
6
m/s
E
+16
27 May, Tuesday. day, 15°; night, 13°; clear
28
+17
+13
28 May, wed
+17
+13
Feels like
+15
762 mmHg
80%
4.5
m/s
SE
+16
28 May, Wednesday. day, 17°; night, 13°; rain
29
+19
+13
29 May, thu
+19
+13
Feels like
+17
760 mmHg
75%
5.4
m/s
SW
+18
29 May, Thursday. day, 19°; night, 13°; rain
30
+18
+14
30 May, fri
+18
+14
Feels like
+17
761 mmHg
75%
5.3
m/s
S
+17
30 May, Friday. day, 18°; night, 14°; rain
31
+20
+15
31 May, sat
+20
+15
Feels like
+18
759 mmHg
70%
5.9
m/s
SW
+18
31 May, Saturday. day, 20°; night, 15°; rain
Average data for 10 years
Portsmouth May
6
sunny days
13
days with precipitation
12
cloudy days
6 sunny days; 13 days with precipitation; 12 cloudy days;
74
%
air humidity
4
m/s
Wind
SW
71
mm of precipitation
(8% of annual average)
+14
°C
Water temperature
air humidity 74%; 71 millimeters of precipitation (8% of annual average); Wind south-westerly 4 Meters per second; Water temperature +14°
Weather graphs for May
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
S
S
S
NE
SW
S
E
W
NW
N
W
NW
E
SW
W
SW
E
N
W
S
S
S
SW
NE
SW
S
E
SE
SW
S
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
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