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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
28
+12
+9
28 April, sun
+12
+9
Feels like
+8
756 mmHg
75%
7.5
m/s
SW
+11
28 April, Sunday. day, 12°; night, 9°; clear
29
+12
+9
29 April, mon
+12
+9
Feels like
+7
753 mmHg
75%
8.5
m/s
S
+11
29 April, Monday. day, 12°; night, 9°; rain
30
+13
+9
30 April, tue
+13
+9
Feels like
+8
755 mmHg
75%
8
m/s
E
+12
30 April, Tuesday. day, 13°; night, 9°; rain
1
+13
+9
1 May, wed
+13
+9
Feels like
+8
760 mmHg
70%
7.1
m/s
NE
+12
1 May, Wednesday. day, 13°; night, 9°; clear
2
+12
+9
2 May, thu
+12
+9
Feels like
+7
761 mmHg
73%
7.4
m/s
N
+12
2 May, Thursday. day, 12°; night, 9°; partly cloudy
3
+12
+9
3 May, fri
+12
+9
Feels like
+8
762 mmHg
73%
7.4
m/s
N
+12
3 May, Friday. day, 12°; night, 9°; rain
4
+14
+10
4 May, sat
+14
+10
Feels like
+10
759 mmHg
73%
7.8
m/s
SE
+12
4 May, Saturday. day, 14°; night, 10°; overcast
5
+14
+11
5 May, sun
+14
+11
Feels like
+10
757 mmHg
70%
7.8
m/s
S
+12
5 May, Sunday. day, 14°; night, 11°; clear
6
+14
+10
6 May, mon
+14
+10
Feels like
+10
758 mmHg
73%
6.8
m/s
SE
+12
6 May, Monday. day, 14°; night, 10°; overcast
7
+14
+11
7 May, tue
+14
+11
Feels like
+9
757 mmHg
76%
7.5
m/s
S
+12
7 May, Tuesday. day, 14°; night, 11°; rain
8
+14
+11
8 May, wed
+14
+11
Feels like
+9
757 mmHg
70%
8
m/s
SW
+12
8 May, Wednesday. day, 14°; night, 11°; partly cloudy
9
+14
+11
9 May, thu
+14
+11
Feels like
+10
757 mmHg
75%
7.1
m/s
S
+13
9 May, Thursday. day, 14°; night, 11°; partly cloudy
10
+15
+11
10 May, fri
+15
+11
Feels like
+10
756 mmHg
74%
7.9
m/s
SW
+13
10 May, Friday. day, 15°; night, 11°; rain
11
+14
+11
11 May, sat
+14
+11
Feels like
+10
758 mmHg
73%
7.4
m/s
W
+13
11 May, Saturday. day, 14°; night, 11°; clear
12
+15
+10
12 May, sun
+15
+10
Feels like
+12
759 mmHg
72%
6.4
m/s
W
+13
12 May, Sunday. day, 15°; night, 10°; partly cloudy
13
+14
+11
13 May, mon
+14
+11
Feels like
+10
759 mmHg
75%
7.3
m/s
W
+13
13 May, Monday. day, 14°; night, 11°; partly cloudy
14
+14
+10
14 May, tue
+14
+10
Feels like
+10
761 mmHg
75%
7.3
m/s
W
+13
14 May, Tuesday. day, 14°; night, 10°; partly cloudy
15
+14
+10
15 May, wed
+14
+10
Feels like
+10
760 mmHg
75%
7.1
m/s
W
+13
15 May, Wednesday. day, 14°; night, 10°; partly cloudy
16
+14
+11
16 May, thu
+14
+11
Feels like
+11
760 mmHg
79%
5.5
m/s
W
+12
16 May, Thursday. day, 14°; night, 11°; overcast
17
+14
+11
17 May, fri
+14
+11
Feels like
+10
757 mmHg
76%
6.4
m/s
SW
+13
17 May, Friday. day, 14°; night, 11°; rain
18
+14
+11
18 May, sat
+14
+11
Feels like
+10
756 mmHg
76%
7.4
m/s
SW
+13
18 May, Saturday. day, 14°; night, 11°; clear
19
+15
+11
19 May, sun
+15
+11
Feels like
+12
759 mmHg
75%
6.3
m/s
W
+13
19 May, Sunday. day, 15°; night, 11°; clear
20
+15
+12
20 May, mon
+15
+12
Feels like
+12
760 mmHg
75%
6.5
m/s
W
+13
20 May, Monday. day, 15°; night, 12°; partly cloudy
21
+15
+11
21 May, tue
+15
+11
Feels like
+12
759 mmHg
75%
6.3
m/s
SW
+13
21 May, Tuesday. day, 15°; night, 11°; partly cloudy
22
+16
+12
22 May, wed
+16
+12
Feels like
+13
759 mmHg
73%
6.8
m/s
SW
+14
22 May, Wednesday. day, 16°; night, 12°; rain
23
+17
+12
23 May, thu
+17
+12
Feels like
+14
760 mmHg
70%
6
m/s
W
+15
23 May, Thursday. day, 17°; night, 12°; rain
24
+17
+13
24 May, fri
+17
+13
Feels like
+14
760 mmHg
72%
6.8
m/s
NE
+15
24 May, Friday. day, 17°; night, 13°; partly cloudy
25
+16
+12
25 May, sat
+16
+12
Feels like
+12
759 mmHg
73%
8.5
m/s
N
+14
25 May, Saturday. day, 16°; night, 12°; clear
26
+15
+12
26 May, sun
+15
+12
Feels like
+11
758 mmHg
75%
8.1
m/s
N
+14
26 May, Sunday. day, 15°; night, 12°; clear
27
+16
+12
27 May, mon
+16
+12
Feels like
+13
758 mmHg
79%
6.5
m/s
W
+14
27 May, Monday. day, 16°; night, 12°; overcast
28
+16
+13
28 May, tue
+16
+13
Feels like
+13
756 mmHg
81%
7.1
m/s
SW
+14
28 May, Tuesday. day, 16°; night, 13°; rain
29
+16
+12
29 May, wed
+16
+12
Feels like
+13
758 mmHg
75%
6.4
m/s
NW
+15
29 May, Wednesday. day, 16°; night, 12°; clear
30
+17
+12
30 May, thu
+17
+12
Feels like
+15
761 mmHg
75%
6
m/s
NW
+15
30 May, Thursday. day, 17°; night, 12°; partly cloudy
31
+16
+13
31 May, fri
+16
+13
Feels like
+13
762 mmHg
75%
6.5
m/s
NW
+14
31 May, Friday. day, 16°; night, 13°; rain
1
+17
+13
1 June, sat
+17
+13
Feels like
+15
762 mmHg
75%
5.8
m/s
NW
+15
1 June, Saturday. day, 17°; night, 13°; partly cloudy
Average data for 10 years
Portsmouth May
8
sunny days
8
days with precipitation
15
cloudy days
8 sunny days; 8 days with precipitation; 15 cloudy days;
75
%
air humidity
5.4
m/s
Wind
W
45
mm of precipitation
(7% of annual average)
+13
°C
Water temperature
air humidity 75%; 45 millimeters of precipitation (7% of annual average); Wind westerly 5.4 Meters per second; Water temperature +13°
Weather graphs for May
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
NE
N
N
SE
S
SE
S
SW
S
SW
W
W
W
W
W
W
SW
SW
W
W
SW
SW
W
NE
N
N
W
SW
NW
NW
NW
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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