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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
+5
27 April, sun
+13
+5
Feels like
+5
754 mmHg
70%
4.6
m/s
S
+12
27 April, Sunday. day, 13°; night, 5°; rain
28
+14
+5
28 April, mon
+14
+5
Feels like
+5
755 mmHg
66%
4.9
m/s
SW
+11
28 April, Monday. day, 14°; night, 5°; rain
29
+14
+5
29 April, tue
+14
+5
Feels like
+6
755 mmHg
61%
4.9
m/s
SW
+11
29 April, Tuesday. day, 14°; night, 5°; partly cloudy
30
+14
+6
30 April, wed
+14
+6
Feels like
+6
757 mmHg
62%
4.5
m/s
S
+11
30 April, Wednesday. day, 14°; night, 6°; rain
1
+16
+6
1 May, thu
+16
+6
Feels like
+7
755 mmHg
65%
4.6
m/s
S
+11
1 May, Thursday. day, 16°; night, 6°; rain
2
+17
+7
2 May, fri
+17
+7
Feels like
+8
754 mmHg
70%
4.8
m/s
S
+12
2 May, Friday. day, 17°; night, 7°; rain
3
+16
+8
3 May, sat
+16
+8
Feels like
+8
755 mmHg
69%
4.5
m/s
S
+12
3 May, Saturday. day, 16°; night, 8°; rain
4
+16
+8
4 May, sun
+16
+8
Feels like
+9
755 mmHg
70%
4.3
m/s
S
+11
4 May, Sunday. day, 16°; night, 8°; rain
5
+16
+8
5 May, mon
+16
+8
Feels like
+9
756 mmHg
68%
4.3
m/s
SW
+12
5 May, Monday. day, 16°; night, 8°; rain
6
+17
+8
6 May, tue
+17
+8
Feels like
+9
756 mmHg
67%
4.4
m/s
S
+14
6 May, Tuesday. day, 17°; night, 8°; overcast
7
+18
+7
7 May, wed
+18
+7
Feels like
+9
755 mmHg
62%
4.6
m/s
SW
+13
7 May, Wednesday. day, 18°; night, 7°; clear
8
+17
+8
8 May, thu
+17
+8
Feels like
+9
755 mmHg
64%
4.69
m/s
S
+12
8 May, Thursday. day, 17°; night, 8°; partly cloudy
9
+16
+8
9 May, fri
+16
+8
Feels like
+8
755 mmHg
68%
4.5
m/s
S
+13
9 May, Friday. day, 16°; night, 8°; rain
10
+17
+8
10 May, sat
+17
+8
Feels like
+9
754 mmHg
70%
4.69
m/s
S
+13
10 May, Saturday. day, 17°; night, 8°; overcast
11
+17
+9
11 May, sun
+17
+9
Feels like
+9
754 mmHg
65%
4.69
m/s
S
+14
11 May, Sunday. day, 17°; night, 9°; clear
12
+17
+8
12 May, mon
+17
+8
Feels like
+9
755 mmHg
63%
4.5
m/s
S
+13
12 May, Monday. day, 17°; night, 8°; clear
13
+16
+7
13 May, tue
+16
+7
Feels like
+8
756 mmHg
64%
4.69
m/s
S
+14
13 May, Tuesday. day, 16°; night, 7°; clear
14
+17
+7
14 May, wed
+17
+7
Feels like
+9
756 mmHg
65%
4.19
m/s
SW
+14
14 May, Wednesday. day, 17°; night, 7°; rain
15
+18
+9
15 May, thu
+18
+9
Feels like
+10
754 mmHg
70%
4.69
m/s
SW
+14
15 May, Thursday. day, 18°; night, 9°; rain
16
+18
+10
16 May, fri
+18
+10
Feels like
+10
754 mmHg
72%
4.6
m/s
S
+15
16 May, Friday. day, 18°; night, 10°; rain
17
+18
+9
17 May, sat
+18
+9
Feels like
+10
755 mmHg
70%
4.4
m/s
S
+15
17 May, Saturday. day, 18°; night, 9°; overcast
18
+18
+9
18 May, sun
+18
+9
Feels like
+10
756 mmHg
67%
4.3
m/s
S
+14
18 May, Sunday. day, 18°; night, 9°; partly cloudy
19
+18
+9
19 May, mon
+18
+9
Feels like
+11
756 mmHg
72%
4.4
m/s
S
+15
19 May, Monday. day, 18°; night, 9°; rain
20
+20
+9
20 May, tue
+20
+9
Feels like
+12
755 mmHg
71%
4.4
m/s
SW
+15
20 May, Tuesday. day, 20°; night, 9°; clear
21
+21
+10
21 May, wed
+21
+10
Feels like
+13
755 mmHg
66%
4.4
m/s
SW
+14
21 May, Wednesday. day, 21°; night, 10°; clear
22
+19
+11
22 May, thu
+19
+11
Feels like
+12
755 mmHg
68%
4.3
m/s
S
+14
22 May, Thursday. day, 19°; night, 11°; partly cloudy
23
+19
+10
23 May, fri
+19
+10
Feels like
+12
755 mmHg
70%
4.4
m/s
S
+16
23 May, Friday. day, 19°; night, 10°; clear
24
+19
+10
24 May, sat
+19
+10
Feels like
+12
755 mmHg
70%
4.5
m/s
S
+15
24 May, Saturday. day, 19°; night, 10°; rain
25
+20
+10
25 May, sun
+20
+10
Feels like
+12
755 mmHg
69%
4.5
m/s
SW
+17
25 May, Sunday. day, 20°; night, 10°; clear
26
+21
+12
26 May, mon
+21
+12
Feels like
+14
754 mmHg
67%
4.69
m/s
SW
+17
26 May, Monday. day, 21°; night, 12°; overcast
27
+21
+12
27 May, tue
+21
+12
Feels like
+14
755 mmHg
71%
4.1
m/s
S
+16
27 May, Tuesday. day, 21°; night, 12°; rain
28
+21
+11
28 May, wed
+21
+11
Feels like
+14
755 mmHg
72%
3.9
m/s
S
+16
28 May, Wednesday. day, 21°; night, 11°; partly cloudy
29
+21
+11
29 May, thu
+21
+11
Feels like
+14
755 mmHg
73%
4.19
m/s
S
+18
29 May, Thursday. day, 21°; night, 11°; partly cloudy
30
+22
+12
30 May, fri
+22
+12
Feels like
+15
755 mmHg
71%
4.3
m/s
SW
+17
30 May, Friday. day, 22°; night, 12°; partly cloudy
31
+22
+12
31 May, sat
+22
+12
Feels like
+15
755 mmHg
69%
4.5
m/s
SW
+18
31 May, Saturday. day, 22°; night, 12°; clear
Average data for 10 years
Portsmouth May
9
sunny days
12
days with precipitation
11
cloudy days
9 sunny days; 12 days with precipitation; 11 cloudy days;
68
%
air humidity
3
m/s
Wind
S
86
mm of precipitation
(8% of annual average)
+14
°C
Water temperature
air humidity 68%; 86 millimeters of precipitation (8% of annual average); Wind southerly 3 Meters per second; Water temperature +14°
Weather graphs for May
Temperature
Water temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
S
S
S
S
SW
S
SW
S
S
S
S
S
S
SW
SW
S
S
S
S
SW
SW
S
S
S
SW
SW
S
S
S
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
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