Long range weather outlook for Portsmouth includes 14 day forecast summary:
The outlook for Portsmouth in the two weeks ahead shows the average daytime maximum temperature will be around 19°C, with a high for the two weeks of 22°C expected on the afternoon of Monday 19th.
The mean minimum temperature will be 11°C, dipping to its lowest on the morning of Friday 16th at 8°C.
The next 14 days will
have mixed weather with some days dry and some seeing a little rain.
The indicators are that Tuesday 13th will have the most precipitation with an accumulation of around 2.0mm.
On the whole winds are likely to be moderate.
Sun 18 May | 00:00 |
 NNE
|
13 / 21 mph
|
51 / 46°F
| 78% |
1029 mb
|
0%
|
0.0 In
|
|
| 06:00 |
 N
|
15 / 21 mph
|
47 / 41°F
| 69% |
1021 mb
|
0%
|
0.0 In
|
|
| 12:00 |
 NNE
|
6 / 10 mph
|
64 / 64°F
| 60% |
1023 mb
|
0%
|
0.0 In
|
|
| 18:00 |
 N
|
14 / 23 mph
|
61 / 62°F
| 67% |
1023 mb
|
12%
|
0.0 In
|
|
Mon 19 May | 00:00 |
 SSE
|
2 / 3 mph
|
63 / 63°F
| 75% |
1030 mb
|
0%
|
0.0 In
|
|
| 06:00 |
 NNE
|
13 / 21 mph
|
50 / 46°F
| 78% |
1026 mb
|
4%
|
0.0 In
|
|
| 12:00 |
 S
|
6 / 8 mph
|
68 / 68°F
| 59% |
1030 mb
|
0%
|
0.0 In
|
|
| 18:00 |
 NNE
|
13 / 24 mph
|
63 / 63°F
| 63% |
1024 mb
|
35%
|
0.0 In
|
|
Tue 20 May | 00:00 |
 WNW
|
6 / 9 mph
|
62 / 62°F
| 90% |
1028 mb
|
10%
|
0.0 In
|
|
| 06:00 |
 NNE
|
11 / 19 mph
|
51 / 47°F
| 85% |
1025 mb
|
16%
|
0.0 In
|
|
| 12:00 |
 WSW
|
13 / 19 mph
|
66 / 66°F
| 62% |
1026 mb
|
22%
|
0.0 In
|
|
| 18:00 |
 ENE
|
9 / 15 mph
|
66 / 66°F
| 65% |
1020 mb
|
16%
|
0.0 In
|
|
Wed 21 May | 00:00 |
 WSW
|
9 / 14 mph
|
60 / 60°F
| 93% |
1021 mb
|
64%
|
0.0 In
|
|
| 06:00 |
 N
|
13 / 22 mph
|
55 / 51°F
| 75% |
1016 mb
|
23%
|
0.0 In
|
|
| 12:00 |
 WSW
|
17 / 24 mph
|
67 / 67°F
| 85% |
1018 mb
|
72%
|
0.0 In
|
|
| 18:00 |
 N
|
14 / 26 mph
|
64 / 64°F
| 60% |
1014 mb
|
42%
|
0.0 In
|
|
Thu 22 May | 00:00 |
 WSW
|
14 / 26 mph
|
55 / 51°F
| 98% |
1012 mb
|
100%
|
0.0 In
|
|
| 06:00 |
 NNW
|
7 / 12 mph
|
55 / 53°F
| 73% |
1015 mb
|
6%
|
0.0 In
|
|
| 12:00 |
 W
|
4 / 6 mph
|
62 / 62°F
| 57% |
1014 mb
|
5%
|
0.1 In
|
|
| 18:00 |
 WSW
|
14 / 23 mph
|
61 / 61°F
| 76% |
1012 mb
|
3%
|
0.0 In
|
|
Fri 23 May | 00:00 |
 NNW
|
4 / 5 mph
|
56 / 56°F
| 70% |
1013 mb
|
53%
|
0.0 In
|
|
| 06:00 |
 SW
|
9 / 14 mph
|
54 / 52°F
| 89% |
1011 mb
|
34%
|
0.0 In
|
|
| 12:00 |
 S
|
8 / 12 mph
|
59 / 59°F
| 60% |
1009 mb
|
100%
|
0.0 In
|
|
| 18:00 |
 S
|
6 / 11 mph
|
64 / 64°F
| 76% |
1010 mb
|
15%
|
0.0 In
|
|
Sat 24 May | 00:00 |
 WNW
|
7 / 10 mph
|
52 / 50°F
| 84% |
1007 mb
|
95%
|
0.0 In
|
|
| 06:00 |
 SSW
|
6 / 9 mph
|
59 / 58°F
| 86% |
1009 mb
|
0%
|
0.0 In
|
|
| 12:00 |
 NNE
|
12 / 21 mph
|
55 / 51°F
| 66% |
1011 mb
|
85%
|
0.1 In
|
|
| 18:00 |
 WSW
|
4 / 7 mph
|
68 / 68°F
| 64% |
1011 mb
|
5%
|
0.0 In
|
|
Sun 25 May | 00:00 |
 W
|
7 / 14 mph
|
54 / 52°F
| 85% |
1014 mb
|
27%
|
0.1 In
|
|
| 06:00 |
 NNE
|
6 / 9 mph
|
61 / 61°F
| 63% |
1011 mb
|
18%
|
0.0 In
|
|
| 12:00 |
 SW
|
16 / 32 mph
|
57 / 54°F
| 60% |
1014 mb
|
48%
|
0.0 In
|
|
| 18:00 |
 E
|
3 / 6 mph
|
68 / 68°F
| 77% |
1009 mb
|
47%
|
0.0 In
|
|
Mon 26 May | 00:00 |
 W
|
11 / 23 mph
|
49 / 44°F
| 85% |
1014 mb
|
0%
|
0.0 In
|
|
| 06:00 |
 ENE
|
7 / 14 mph
|
60 / 60°F
| 91% |
1006 mb
|
28%
|
0.1 In
|
|
| 12:00 |
 SW
|
22 / 45 mph
|
59 / 55°F
| 76% |
1011 mb
|
37%
|
0.0 In
|
|
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