Long range weather outlook for Portsmouth includes 14 day forecast summary:
The next 14 day outlook for Portsmouth shows the average daytime maximum temperature will be around 17°C, with a high for the two weeks of 22°C expected on the afternoon of Monday 13th.
The mean minimum temperature will be 11°C, dipping to its lowest on the morning of Monday 13th at 9°C.
Expect the next 14 days
have some days seeing a little precipitation and some days with rain.
Current predictions suggest Tuesday 14th will have the most precipitation with an accumulation of around 6.0mm.
On the whole winds are likely to be light.
Mon 13 May | 00:00 |
NE
|
20 / 36 mph
|
46 / 38°F
| 87% |
1016 mb
|
24%
|
0.0 In
|
|
| 06:00 |
WNW
|
2 / 3 mph
|
56 / 56°F
| 93% |
1008 mb
|
41%
|
0.0 In
|
|
| 12:00 |
S
|
8 / 15 mph
|
59 / 59°F
| 95% |
1008 mb
|
88%
|
0.0 In
|
|
| 18:00 |
ESE
|
7 / 12 mph
|
67 / 67°F
| 88% |
1011 mb
|
4%
|
0.0 In
|
|
Tue 14 May | 00:00 |
E
|
8 / 15 mph
|
60 / 60°F
| 93% |
1008 mb
|
15%
|
0.0 In
|
|
| 06:00 |
NE
|
14 / 25 mph
|
54 / 50°F
| 92% |
1008 mb
|
81%
|
0.0 In
|
|
| 12:00 |
ESE
|
10 / 20 mph
|
60 / 60°F
| 93% |
1004 mb
|
100%
|
0.0 In
|
|
| 18:00 |
ESE
|
12 / 23 mph
|
60 / 60°F
| 99% |
1006 mb
|
100%
|
0.2 In
|
|
Wed 15 May | 00:00 |
WNW
|
5 / 10 mph
|
54 / 53°F
| 96% |
1004 mb
|
95%
|
0.1 In
|
|
| 06:00 |
WNW
|
4 / 7 mph
|
55 / 55°F
| 93% |
1008 mb
|
34%
|
0.0 In
|
|
| 12:00 |
NNE
|
15 / 30 mph
|
55 / 51°F
| 96% |
1003 mb
|
100%
|
1.2 In
|
|
| 18:00 |
SE
|
10 / 19 mph
|
54 / 52°F
| 94% |
1003 mb
|
100%
|
0.1 In
|
|
Thu 16 May | 00:00 |
NE
|
22 / 43 mph
|
49 / 41°F
| 91% |
1008 mb
|
100%
|
0.1 In
|
|
| 06:00 |
NNE
|
16 / 33 mph
|
49 / 43°F
| 92% |
1008 mb
|
100%
|
0.6 In
|
|
| 12:00 |
NE
|
26 / 50 mph
|
52 / 45°F
| 90% |
1010 mb
|
100%
|
0.1 In
|
|
| 18:00 |
NE
|
7 / 14 mph
|
52 / 50°F
| 80% |
1016 mb
|
100%
|
0.0 In
|
|
Fri 17 May | 00:00 |
NE
|
28 / 55 mph
|
49 / 41°F
| 73% |
1013 mb
|
100%
|
0.0 In
|
|
| 06:00 |
NE
|
16 / 33 mph
|
46 / 40°F
| 84% |
1021 mb
|
100%
|
0.0 In
|
|
| 12:00 |
NE
|
27 / 53 mph
|
51 / 43°F
| 83% |
1013 mb
|
100%
|
0.0 In
|
|
| 18:00 |
NE
|
14 / 30 mph
|
50 / 45°F
| 70% |
1023 mb
|
70%
|
0.0 In
|
|
Sat 18 May | 00:00 |
NE
|
21 / 41 mph
|
48 / 40°F
| 78% |
1015 mb
|
100%
|
0.1 In
|
|
| 06:00 |
NNE
|
15 / 31 mph
|
43 / 36°F
| 83% |
1026 mb
|
5%
|
0.0 In
|
|
| 12:00 |
NE
|
14 / 29 mph
|
51 / 46°F
| 72% |
1015 mb
|
100%
|
0.0 In
|
|
| 18:00 |
NNE
|
11 / 22 mph
|
54 / 51°F
| 66% |
1024 mb
|
46%
|
0.0 In
|
|
Sun 19 May | 00:00 |
NE
|
9 / 17 mph
|
49 / 45°F
| 83% |
1016 mb
|
70%
|
0.0 In
|
|
| 06:00 |
NNE
|
10 / 21 mph
|
47 / 42°F
| 79% |
1026 mb
|
21%
|
0.0 In
|
|
| 12:00 |
E
|
11 / 23 mph
|
50 / 46°F
| 73% |
1015 mb
|
72%
|
0.0 In
|
|
| 18:00 |
ESE
|
1 / 2 mph
|
59 / 59°F
| 71% |
1025 mb
|
51%
|
0.0 In
|
|
Mon 20 May | 00:00 |
N
|
3 / 6 mph
|
51 / 51°F
| 81% |
1016 mb
|
89%
|
0.0 In
|
|
| 06:00 |
NE
|
6 / 13 mph
|
51 / 49°F
| 83% |
1026 mb
|
0%
|
0.0 In
|
|
| 12:00 |
SSW
|
7 / 15 mph
|
54 / 52°F
| 68% |
1017 mb
|
15%
|
0.0 In
|
|
| 18:00 |
SE
|
3 / 7 mph
|
66 / 66°F
| 76% |
1024 mb
|
16%
|
0.0 In
|
|
Tue 21 May | 00:00 |
WSW
|
8 / 16 mph
|
51 / 47°F
| 89% |
1019 mb
|
17%
|
0.0 In
|
|
| 06:00 |
NE
|
7 / 15 mph
|
53 / 51°F
| 82% |
1023 mb
|
13%
|
0.0 In
|
|
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