Long range weather outlook for Portsmouth includes 14 day forecast summary:
Taking a look at Portsmouth over the coming two weeks and the average daytime maximum temperature will be around 10°C, with a high for the two weeks of 13°C expected on the afternoon of Friday 13th.
The mean minimum temperature will be 7°C, dipping to its lowest on the morning of Monday 16th at 3°C.
The fortnight ahead will
have some days seeing a little precipitation and some days with rain.
Predictions are Friday 13th will have the most precipitation with an accumulation of around 8.0mm.
On the whole winds are likely to be moderate.
Expect the strongest wind on the evening of Saturday 14th, coming from a south westerly direction, and reaching around 35mph.
However, the maximum wind gusts are forecast for Sunday morning.
Fri 13 Mar | 00:00 |
 SW
|
12 / 15 mph
|
48 / 43°F
| 86% |
1024 mb
|
29%
|
0.0 In
|
|
| 06:00 |
 WNW
|
6 / 9 mph
|
42 / 38°F
| 91% |
1012 mb
|
100%
|
0.0 In
|
|
| 12:00 |
 SSE
|
18 / 24 mph
|
52 / 46°F
| 82% |
1008 mb
|
7%
|
0.0 In
|
|
| 18:00 |
 SSW
|
43 / 74 mph
|
49 / 39°F
| 90% |
992 mb
|
100%
|
0.0 In
|
|
Sat 14 Mar | 00:00 |
 SSW
|
38 / 59 mph
|
47 / 37°F
| 87% |
1005 mb
|
100%
|
0.0 In
|
|
| 06:00 |
 SSW
|
11 / 24 mph
|
42 / 36°F
| 84% |
1018 mb
|
100%
|
0.0 In
|
|
| 12:00 |
 SW
|
22 / 32 mph
|
52 / 46°F
| 90% |
1020 mb
|
93%
|
0.0 In
|
|
| 18:00 |
 SW
|
17 / 26 mph
|
50 / 44°F
| 81% |
1016 mb
|
90%
|
0.0 In
|
|
Sun 15 Mar | 00:00 |
 SW
|
31 / 45 mph
|
53 / 46°F
| 96% |
998 mb
|
100%
|
0.0 In
|
|
| 06:00 |
 SSW
|
22 / 42 mph
|
47 / 39°F
| 94% |
1012 mb
|
100%
|
0.0 In
|
|
| 12:00 |
 WSW
|
23 / 36 mph
|
48 / 40°F
| 68% |
1004 mb
|
69%
|
0.1 In
|
|
| 18:00 |
 WSW
|
24 / 36 mph
|
52 / 45°F
| 75% |
1010 mb
|
9%
|
0.1 In
|
|
Mon 16 Mar | 00:00 |
 SSW
|
17 / 33 mph
|
38 / 29°F
| 76% |
1003 mb
|
78%
|
0.1 In
|
|
| 06:00 |
 WNW
|
11 / 17 mph
|
38 / 31°F
| 84% |
1018 mb
|
61%
|
0.0 In
|
|
| 12:00 |
 SW
|
16 / 28 mph
|
41 / 33°F
| 76% |
1006 mb
|
29%
|
0.1 In
|
|
| 18:00 |
 WSW
|
13 / 27 mph
|
41 / 33°F
| 62% |
1024 mb
|
4%
|
0.0 In
|
|
Tue 17 Mar | 00:00 |
 W
|
13 / 24 mph
|
39 / 31°F
| 86% |
1011 mb
|
16%
|
0.0 In
|
|
| 06:00 |
 SSW
|
23 / 36 mph
|
47 / 39°F
| 81% |
1021 mb
|
100%
|
0.0 In
|
|
| 12:00 |
 S
|
24 / 44 mph
|
54 / 48°F
| 91% |
1007 mb
|
100%
|
0.0 In
|
|
| 18:00 |
 SSW
|
23 / 36 mph
|
50 / 43°F
| 89% |
1017 mb
|
100%
|
0.0 In
|
|
Wed 18 Mar | 00:00 |
 SSW
|
27 / 50 mph
|
52 / 45°F
| 94% |
998 mb
|
100%
|
0.1 In
|
|
| 06:00 |
 S
|
27 / 55 mph
|
43 / 33°F
| 94% |
1009 mb
|
100%
|
0.1 In
|
|
| 12:00 |
 WSW
|
20 / 38 mph
|
49 / 42°F
| 63% |
1004 mb
|
8%
|
0.2 In
|
|
| 18:00 |
 SW
|
11 / 18 mph
|
47 / 42°F
| 77% |
1006 mb
|
100%
|
0.5 In
|
|
Thu 19 Mar | 00:00 |
 WNW
|
10 / 19 mph
|
43 / 37°F
| 83% |
1014 mb
|
0%
|
0.0 In
|
|
| 06:00 |
 NW
|
9 / 15 mph
|
39 / 33°F
| 84% |
1008 mb
|
5%
|
0.0 In
|
|
| 12:00 |
 NW
|
11 / 23 mph
|
43 / 37°F
| 65% |
1021 mb
|
25%
|
0.0 In
|
|
| 18:00 |
 NNW
|
10 / 21 mph
|
40 / 33°F
| 73% |
1014 mb
|
31%
|
0.0 In
|
|
Fri 20 Mar | 00:00 |
 NNW
|
6 / 11 mph
|
46 / 43°F
| 77% |
1024 mb
|
88%
|
0.0 In
|
|
| 06:00 |
 N
|
14 / 24 mph
|
41 / 33°F
| 90% |
1022 mb
|
19%
|
0.0 In
|
|
| 12:00 |
 NNE
|
8 / 15 mph
|
48 / 45°F
| 63% |
1025 mb
|
83%
|
0.0 In
|
|
| 18:00 |
 N
|
11 / 23 mph
|
46 / 40°F
| 80% |
1025 mb
|
2%
|
0.0 In
|
|
Sat 21 Mar | 00:00 |
 NNE
|
6 / 12 mph
|
47 / 45°F
| 76% |
1024 mb
|
1%
|
0.0 In
|
|
| 06:00 |
 NNE
|
11 / 23 mph
|
40 / 34°F
| 83% |
1024 mb
|
0%
|
0.0 In
|
|
| 12:00 |
 N
|
12 / 22 mph
|
50 / 45°F
| 78% |
1023 mb
|
71%
|
0.0 In
|
|
| 18:00 |
 ENE
|
12 / 20 mph
|
51 / 47°F
| 76% |
1018 mb
|
32%
|
0.0 In
|
|
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