Long range weather outlook for St. Helier includes 14 day forecast summary:
Reviewing the forecast for St. Helier Over the next 14 days and the average daytime maximum temperature will be around 9°C, with a high for the two weeks of 15°C expected on the afternoon of Thursday 18th.
The average minimum temperature will be 8°C, dipping to its lowest on the morning of Thursday 25th at 6°C.
Expect the following 14 days ahead to
have most days seeing a little rain, sleet or snow.
The indicators are that Monday 22nd will have the most precipitation with an accumulation of around 15.0mm.
On the whole winds are likely to be fresh.
The forecast suggests the strongest wind will be on the afternoon of Thursday 18th, coming from a southerly direction, and reaching around 46mph.
Tue 16 Dec | 15:00 |
 N
|
17 / 27 mph
|
51 / 45°F
| 78% |
1013 mb
|
72%
|
0.0 In
|
|
| 18:00 |
 NNW
|
14 / 21 mph
|
51 / 46°F
| 72% |
1015 mb
|
100%
|
0.0 In
|
|
| 21:00 |
 N
|
10 / 16 mph
|
51 / 47°F
| 66% |
1017 mb
|
15%
|
0.0 In
|
|
Wed 17 Dec | 00:00 |
 NNW
|
6 / 9 mph
|
51 / 49°F
| 66% |
1018 mb
|
0%
|
0.0 In
|
|
| 03:00 |
 WSW
|
3 / 5 mph
|
50 / 49°F
| 68% |
1018 mb
|
14%
|
0.0 In
|
|
| 06:00 |
 SW
|
9 / 15 mph
|
49 / 45°F
| 71% |
1019 mb
|
19%
|
0.0 In
|
|
| 09:00 |
 SSW
|
15 / 21 mph
|
50 / 45°F
| 76% |
1020 mb
|
31%
|
0.0 In
|
|
| 12:00 |
 SSW
|
19 / 22 mph
|
51 / 45°F
| 75% |
1019 mb
|
48%
|
0.0 In
|
|
| 15:00 |
 SSW
|
23 / 30 mph
|
52 / 45°F
| 78% |
1017 mb
|
88%
|
0.0 In
|
|
| 18:00 |
 SSW
|
26 / 37 mph
|
51 / 44°F
| 82% |
1016 mb
|
69%
|
0.0 In
|
|
| 21:00 |
 SSW
|
29 / 50 mph
|
50 / 42°F
| 83% |
1015 mb
|
100%
|
0.0 In
|
|
Thu 18 Dec | 00:00 |
 SSW
|
32 / 36 mph
|
53 / 46°F
| 90% |
1014 mb
|
100%
|
0.1 In
|
|
| 03:00 |
 SSW
|
31 / 43 mph
|
51 / 44°F
| 90% |
1013 mb
|
100%
|
0.1 In
|
|
| 06:00 |
 S
|
31 / 55 mph
|
50 / 42°F
| 88% |
1011 mb
|
100%
|
0.2 In
|
|
| 09:00 |
 S
|
33 / 49 mph
|
53 / 46°F
| 84% |
1009 mb
|
100%
|
0.1 In
|
|
| 12:00 |
 S
|
38 / 51 mph
|
57 / 50°F
| 78% |
1005 mb
|
84%
|
0.0 In
|
|
| 15:00 |
 S
|
46 / 56 mph
|
58 / 52°F
| 77% |
1003 mb
|
73%
|
0.0 In
|
|
| 18:00 |
 SW
|
27 / 31 mph
|
57 / 51°F
| 88% |
1005 mb
|
100%
|
0.0 In
|
|
| 21:00 |
 W
|
25 / 30 mph
|
54 / 49°F
| 82% |
1010 mb
|
60%
|
0.0 In
|
|
Fri 19 Dec | 00:00 |
 WNW
|
19 / 33 mph
|
49 / 43°F
| 70% |
1014 mb
|
65%
|
0.0 In
|
|
| 03:00 |
 WNW
|
19 / 35 mph
|
49 / 43°F
| 64% |
1016 mb
|
26%
|
0.0 In
|
|
| 06:00 |
 W
|
17 / 31 mph
|
49 / 43°F
| 65% |
1018 mb
|
4%
|
0.0 In
|
|
| 09:00 |
 WSW
|
15 / 26 mph
|
49 / 44°F
| 68% |
1020 mb
|
5%
|
0.0 In
|
|
| 12:00 |
 WSW
|
16 / 25 mph
|
50 / 44°F
| 71% |
1021 mb
|
8%
|
0.0 In
|
|
| 15:00 |
 SW
|
15 / 25 mph
|
50 / 44°F
| 71% |
1021 mb
|
16%
|
0.0 In
|
|
| 18:00 |
 SW
|
15 / 26 mph
|
50 / 44°F
| 71% |
1021 mb
|
10%
|
0.0 In
|
|
| 21:00 |
 SSW
|
15 / 25 mph
|
49 / 44°F
| 73% |
1020 mb
|
7%
|
0.0 In
|
|
Sat 20 Dec | 00:00 |
 S
|
19 / 31 mph
|
48 / 41°F
| 77% |
1018 mb
|
4%
|
0.0 In
|
|
| 03:00 |
 S
|
22 / 35 mph
|
47 / 40°F
| 79% |
1016 mb
|
16%
|
0.0 In
|
|
| 06:00 |
 S
|
23 / 36 mph
|
47 / 39°F
| 81% |
1013 mb
|
16%
|
0.0 In
|
|
| 09:00 |
 S
|
28 / 42 mph
|
48 / 39°F
| 79% |
1012 mb
|
81%
|
0.0 In
|
|
| 12:00 |
 S
|
29 / 42 mph
|
49 / 40°F
| 77% |
1009 mb
|
77%
|
0.0 In
|
|
| 15:00 |
 SSE
|
30 / 46 mph
|
49 / 40°F
| 78% |
1005 mb
|
57%
|
0.0 In
|
|
| 18:00 |
 SSE
|
34 / 50 mph
|
49 / 40°F
| 81% |
1003 mb
|
91%
|
0.0 In
|
|
| 21:00 |
 S
|
28 / 41 mph
|
48 / 40°F
| 88% |
1002 mb
|
100%
|
0.0 In
|
|
Sun 21 Dec | 00:00 |
 WSW
|
11 / 17 mph
|
47 / 42°F
| 75% |
1002 mb
|
100%
|
0.0 In
|
|
| 03:00 |
 S
|
13 / 22 mph
|
47 / 41°F
| 77% |
1002 mb
|
100%
|
0.0 In
|
|
| 06:00 |
 SSW
|
16 / 26 mph
|
47 / 40°F
| 79% |
1002 mb
|
53%
|
0.0 In
|
|
| 09:00 |
 SSE
|
15 / 22 mph
|
47 / 41°F
| 82% |
1003 mb
|
19%
|
0.0 In
|
|
| 12:00 |
 SSE
|
15 / 23 mph
|
47 / 41°F
| 84% |
1004 mb
|
100%
|
0.0 In
|
|
| 15:00 |
 SE
|
18 / 30 mph
|
47 / 40°F
| 80% |
1003 mb
|
66%
|
0.0 In
|
|
| 18:00 |
 SE
|
16 / 28 mph
|
47 / 41°F
| 80% |
1004 mb
|
100%
|
0.0 In
|
|
| 21:00 |
 SE
|
10 / 17 mph
|
47 / 42°F
| 80% |
1004 mb
|
100%
|
0.0 In
|
|
Mon 22 Dec | 00:00 |
 E
|
8 / 15 mph
|
45 / 40°F
| 88% |
1003 mb
|
100%
|
0.0 In
|
|
| 03:00 |
 ESE
|
6 / 12 mph
|
44 / 41°F
| 90% |
1002 mb
|
100%
|
0.1 In
|
|
| 06:00 |
 SSE
|
4 / 9 mph
|
44 / 42°F
| 85% |
1001 mb
|
100%
|
0.0 In
|
|
| 09:00 |
 SSE
|
14 / 23 mph
|
45 / 38°F
| 90% |
1002 mb
|
100%
|
0.1 In
|
|
| 12:00 |
 SW
|
21 / 32 mph
|
46 / 38°F
| 83% |
1004 mb
|
92%
|
0.3 In
|
|
| 15:00 |
 SSW
|
13 / 22 mph
|
46 / 40°F
| 78% |
1006 mb
|
88%
|
0.0 In
|
|
| 18:00 |
 S
|
6 / 10 mph
|
46 / 43°F
| 72% |
1007 mb
|
30%
|
0.0 In
|
|
| 21:00 |
 ESE
|
2 / 4 mph
|
46 / 46°F
| 74% |
1008 mb
|
19%
|
0.0 In
|
|
Tue 23 Dec | 00:00 |
 ESE
|
11 / 17 mph
|
45 / 40°F
| 75% |
1012 mb
|
36%
|
0.0 In
|
|
| 06:00 |
 ENE
|
21 / 36 mph
|
45 / 37°F
| 72% |
1012 mb
|
71%
|
0.0 In
|
|
| 12:00 |
 E
|
2 / 4 mph
|
50 / 50°F
| 82% |
1017 mb
|
33%
|
0.0 In
|
|
| 18:00 |
 WNW
|
7 / 15 mph
|
49 / 46°F
| 74% |
1029 mb
|
100%
|
0.0 In
|
|
Wed 24 Dec | 00:00 |
 NE
|
28 / 59 mph
|
45 / 35°F
| 84% |
1017 mb
|
100%
|
0.0 In
|
|
| 06:00 |
 ENE
|
30 / 55 mph
|
46 / 37°F
| 78% |
1018 mb
|
96%
|
0.0 In
|
|
| 12:00 |
 ENE
|
28 / 49 mph
|
48 / 40°F
| 77% |
1014 mb
|
96%
|
0.0 In
|
|
| 18:00 |
 ENE
|
21 / 43 mph
|
47 / 40°F
| 71% |
1015 mb
|
81%
|
0.0 In
|
|
Thu 25 Dec | 00:00 |
 ENE
|
29 / 61 mph
|
42 / 31°F
| 79% |
1019 mb
|
87%
|
0.1 In
|
|
| 06:00 |
 ENE
|
18 / 38 mph
|
43 / 34°F
| 72% |
1018 mb
|
100%
|
0.0 In
|
|
| 12:00 |
 NE
|
26 / 49 mph
|
45 / 37°F
| 72% |
1020 mb
|
97%
|
0.0 In
|
|
| 18:00 |
 ENE
|
17 / 36 mph
|
42 / 34°F
| 63% |
1022 mb
|
91%
|
0.0 In
|
|
Fri 26 Dec | 00:00 |
 E
|
22 / 43 mph
|
40 / 29°F
| 95% |
1019 mb
|
100%
|
0.1 In
|
|
| 06:00 |
 E
|
11 / 24 mph
|
42 / 35°F
| 71% |
1024 mb
|
53%
|
0.0 In
|
|
| 12:00 |
 NE
|
30 / 62 mph
|
43 / 32°F
| 68% |
1020 mb
|
100%
|
0.2 In
|
|
| 18:00 |
 ENE
|
11 / 22 mph
|
43 / 38°F
| 69% |
1024 mb
|
98%
|
0.0 In
|
|
Sat 27 Dec | 00:00 |
 ENE
|
31 / 64 mph
|
37 / 25°F
| 69% |
1025 mb
|
44%
|
0.0 In
|
|
| 06:00 |
 E
|
7 / 15 mph
|
43 / 38°F
| 82% |
1023 mb
|
92%
|
0.1 In
|
|
| 12:00 |
 ENE
|
35 / 73 mph
|
37 / 24°F
| 60% |
1029 mb
|
0%
|
0.0 In
|
|
| 18:00 |
 ENE
|
10 / 20 mph
|
44 / 39°F
| 74% |
1025 mb
|
52%
|
0.0 In
|
|
Sun 28 Dec | 00:00 |
 ENE
|
28 / 59 mph
|
42 / 32°F
| 70% |
1032 mb
|
18%
|
0.0 In
|
|
| 06:00 |
 NE
|
9 / 20 mph
|
45 / 41°F
| 76% |
1026 mb
|
100%
|
0.0 In
|
|
| 12:00 |
 ENE
|
27 / 56 mph
|
42 / 32°F
| 67% |
1035 mb
|
38%
|
0.0 In
|
|
| 18:00 |
 NE
|
15 / 31 mph
|
47 / 40°F
| 73% |
1026 mb
|
69%
|
0.1 In
|
|
Mon 29 Dec | 00:00 |
 NE
|
18 / 38 mph
|
45 / 37°F
| 70% |
1036 mb
|
100%
|
0.0 In
|
|
| 06:00 |
 E
|
10 / 20 mph
|
45 / 40°F
| 77% |
1027 mb
|
69%
|
0.1 In
|
|
| 12:00 |
 NNE
|
15 / 33 mph
|
45 / 38°F
| 67% |
1035 mb
|
88%
|
0.0 In
|
|
| 18:00 |
 NE
|
16 / 34 mph
|
46 / 39°F
| 73% |
1026 mb
|
56%
|
0.1 In
|
|
Tue 30 Dec | 00:00 |
 N
|
13 / 26 mph
|
50 / 45°F
| 64% |
1034 mb
|
100%
|
0.0 In
|
|
| 06:00 |
 NE
|
18 / 38 mph
|
42 / 33°F
| 70% |
1025 mb
|
58%
|
0.0 In
|
|
| 12:00 |
 WNW
|
11 / 24 mph
|
56 / 53°F
| 62% |
1028 mb
|
98%
|
0.0 In
|
|
| 18:00 |
 E
|
15 / 30 mph
|
44 / 38°F
| 84% |
1024 mb
|
31%
|
0.0 In
|
|
Wed 31 Dec | 00:00 |
 NW
|
26 / 53 mph
|
46 / 37°F
| 67% |
1017 mb
|
49%
|
0.0 In
|
|
| 06:00 |
 ENE
|
15 / 31 mph
|
40 / 32°F
| 77% |
1022 mb
|
92%
|
0.0 In
|
|
| 12:00 |
 N
|
20 / 41 mph
|
48 / 41°F
| 74% |
1015 mb
|
92%
|
0.1 In
|
|
| 18:00 |
 NE
|
16 / 34 mph
|
43 / 36°F
| 64% |
1019 mb
|
97%
|
0.0 In
|
|
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