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 9°C, with a high for the two weeks of 13°C expected on the afternoon of Thursday 18th.
The mean minimum temperature will be 7°C, dipping to its lowest on the morning of Tuesday 23rd at 5°C.
The next 14 days will
have some days seeing a little precipitation and some days with rain.
Current predictions suggest Thursday 18th will have the most precipitation with an accumulation of around 24.0mm.
On the whole winds are likely to be moderate.
The forecast suggests the strongest wind will be on the afternoon of Thursday 18th, coming from a southerly direction, and reaching around 38mph.
Wed 24 Dec | 00:00 |
 NE
|
21 / 38 mph
|
42 / 33°F
| 79% |
100%
|
0.0 In
|
|
| 06:00 |
 NE
|
24 / 44 mph
|
44 / 35°F
| 75% |
86%
|
0.0 In
|
|
| 12:00 |
 NE
|
22 / 39 mph
|
47 / 40°F
| 83% |
100%
|
0.0 In
|
|
| 18:00 |
 NE
|
16 / 33 mph
|
45 / 38°F
| 79% |
43%
|
0.0 In
|
|
Thu 25 Dec | 00:00 |
 NNE
|
18 / 33 mph
|
38 / 28°F
| 74% |
26%
|
0.0 In
|
|
| 06:00 |
 ENE
|
5 / 10 mph
|
47 / 45°F
| 88% |
100%
|
0.0 In
|
|
| 12:00 |
 SW
|
7 / 16 mph
|
50 / 47°F
| 78% |
50%
|
0.0 In
|
|
| 18:00 |
 NE
|
12 / 24 mph
|
47 / 41°F
| 88% |
100%
|
0.0 In
|
|
Fri 26 Dec | 00:00 |
 E
|
10 / 21 mph
|
44 / 38°F
| 87% |
70%
|
0.0 In
|
|
| 06:00 |
 N
|
12 / 25 mph
|
44 / 38°F
| 88% |
100%
|
0.0 In
|
|
| 12:00 |
 NE
|
12 / 24 mph
|
46 / 40°F
| 88% |
64%
|
0.0 In
|
|
| 18:00 |
 NE
|
10 / 20 mph
|
47 / 43°F
| 86% |
100%
|
0.1 In
|
|
Sat 27 Dec | 00:00 |
 NE
|
11 / 23 mph
|
44 / 39°F
| 90% |
87%
|
0.0 In
|
|
| 06:00 |
 NE
|
11 / 22 mph
|
45 / 39°F
| 91% |
100%
|
0.0 In
|
|
| 12:00 |
 SE
|
10 / 20 mph
|
48 / 43°F
| 81% |
90%
|
0.0 In
|
|
| 18:00 |
 NNE
|
11 / 22 mph
|
46 / 40°F
| 90% |
100%
|
0.1 In
|
|
Sun 28 Dec | 00:00 |
 SSE
|
12 / 26 mph
|
46 / 41°F
| 77% |
42%
|
0.0 In
|
|
| 06:00 |
 NE
|
18 / 36 mph
|
41 / 33°F
| 88% |
100%
|
0.1 In
|
|
| 12:00 |
 SSE
|
14 / 29 mph
|
48 / 42°F
| 87% |
100%
|
0.0 In
|
|
| 18:00 |
 NNE
|
15 / 31 mph
|
44 / 37°F
| 86% |
77%
|
0.0 In
|
|
Mon 29 Dec | 00:00 |
 E
|
8 / 17 mph
|
44 / 40°F
| 79% |
82%
|
0.0 In
|
|
| 06:00 |
 NNE
|
14 / 29 mph
|
37 / 28°F
| 92% |
51%
|
0.0 In
|
|
| 12:00 |
 NNE
|
6 / 12 mph
|
46 / 43°F
| 71% |
46%
|
0.0 In
|
|
| 18:00 |
 NNE
|
13 / 26 mph
|
42 / 35°F
| 77% |
75%
|
0.0 In
|
|
Tue 30 Dec | 00:00 |
 NNE
|
5 / 10 mph
|
44 / 41°F
| 80% |
75%
|
0.0 In
|
|
| 06:00 |
 NW
|
12 / 24 mph
|
35 / 27°F
| 86% |
17%
|
0.0 In
|
|
| 12:00 |
 ENE
|
14 / 29 mph
|
44 / 37°F
| 74% |
100%
|
0.0 In
|
|
| 18:00 |
 NNE
|
13 / 27 mph
|
43 / 36°F
| 85% |
31%
|
0.0 In
|
|
Wed 31 Dec | 00:00 |
 ENE
|
17 / 36 mph
|
40 / 31°F
| 83% |
100%
|
0.0 In
|
|
| 06:00 |
 NE
|
27 / 55 mph
|
34 / 21°F
| 82% |
79%
|
0.0 In
|
|
| 12:00 |
 ENE
|
17 / 35 mph
|
42 / 34°F
| 79% |
100%
|
0.0 In
|
|
| 18:00 |
 NE
|
23 / 48 mph
|
37 / 26°F
| 65% |
68%
|
0.0 In
|
|
Thu 01 Jan | 00:00 |
 NE
|
11 / 22 mph
|
40 / 34°F
| 73% |
87%
|
0.0 In
|
|
| 06:00 |
 NNE
|
15 / 31 mph
|
32 / 22°F
| 71% |
7%
|
0.0 In
|
|
| 12:00 |
 E
|
6 / 13 mph
|
44 / 40°F
| 64% |
50%
|
0.0 In
|
|
| 18:00 |
 NW
|
14 / 30 mph
|
37 / 28°F
| 79% |
4%
|
0.0 In
|
|
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