Long range weather outlook for St. Helens includes 14 day forecast summary:
For St. Helens in the coming two weeks the average daytime maximum temperature will be around 15°C, with a high for the two weeks of 18°C expected on the afternoon of Wednesday 22nd.
The mean minimum temperature will be 3°C, dipping to its lowest on the morning of Friday 24th at 0°C.
Expect the coming 14 days to
have mixed overhead conditions with some days dry and some seeing a significant amount of rain.
The current forecast indicates Monday 27th will have the most precipitation with an accumulation of around 3.0mm.
On the whole winds are likely to be light.
Sun 19 May | 01:00 |
WNW
|
7 / 12 mph
|
45 / 42°F
| 71% |
1019 mb
|
32%
|
0.0 In
|
|
| 04:00 |
WNW
|
7 / 13 mph
|
47 / 43°F
| 81% |
1017 mb
|
62%
|
0.0 In
|
|
| 07:00 |
WNW
|
6 / 10 mph
|
50 / 47°F
| 89% |
1017 mb
|
35%
|
0.0 In
|
|
| 10:00 |
SSW
|
3 / 5 mph
|
53 / 52°F
| 79% |
1017 mb
|
20%
|
0.0 In
|
|
| 13:00 |
SSW
|
6 / 7 mph
|
61 / 60°F
| 46% |
1016 mb
|
33%
|
0.0 In
|
|
| 16:00 |
S
|
4 / 6 mph
|
56 / 55°F
| 52% |
1018 mb
|
6%
|
0.0 In
|
|
| 19:00 |
S
|
4 / 8 mph
|
42 / 40°F
| 81% |
1020 mb
|
4%
|
0.0 In
|
|
| 22:00 |
SW
|
4 / 8 mph
|
38 / 35°F
| 84% |
1022 mb
|
2%
|
0.0 In
|
|
Mon 20 May | 01:00 |
SW
|
4 / 9 mph
|
36 / 33°F
| 88% |
1023 mb
|
0%
|
0.0 In
|
|
| 04:00 |
SW
|
4 / 9 mph
|
36 / 32°F
| 88% |
1024 mb
|
0%
|
0.0 In
|
|
| 07:00 |
SW
|
4 / 10 mph
|
34 / 30°F
| 91% |
1026 mb
|
0%
|
0.0 In
|
|
| 10:00 |
S
|
5 / 5 mph
|
54 / 52°F
| 55% |
1027 mb
|
99%
|
0.0 In
|
|
| 13:00 |
SE
|
5 / 6 mph
|
58 / 57°F
| 47% |
1026 mb
|
0%
|
0.0 In
|
|
| 16:00 |
SE
|
6 / 8 mph
|
53 / 50°F
| 63% |
1026 mb
|
16%
|
0.0 In
|
|
| 19:00 |
SW
|
3 / 7 mph
|
40 / 38°F
| 86% |
1028 mb
|
38%
|
0.0 In
|
|
| 22:00 |
WSW
|
4 / 8 mph
|
37 / 34°F
| 91% |
1029 mb
|
29%
|
0.0 In
|
|
Tue 21 May | 01:00 |
WSW
|
4 / 8 mph
|
38 / 35°F
| 87% |
1028 mb
|
12%
|
0.0 In
|
|
| 04:00 |
WSW
|
4 / 8 mph
|
35 / 32°F
| 92% |
1028 mb
|
18%
|
0.0 In
|
|
| 07:00 |
WSW
|
4 / 8 mph
|
37 / 34°F
| 85% |
1029 mb
|
11%
|
0.0 In
|
|
| 10:00 |
SW
|
2 / 2 mph
|
55 / 56°F
| 55% |
1029 mb
|
5%
|
0.0 In
|
|
| 13:00 |
E
|
4 / 4 mph
|
59 / 59°F
| 46% |
1027 mb
|
48%
|
0.0 In
|
|
| 16:00 |
E
|
3 / 4 mph
|
51 / 51°F
| 64% |
1027 mb
|
86%
|
0.0 In
|
|
| 19:00 |
W
|
3 / 6 mph
|
42 / 40°F
| 80% |
1028 mb
|
79%
|
0.0 In
|
|
| 22:00 |
W
|
3 / 6 mph
|
44 / 43°F
| 95% |
1027 mb
|
100%
|
0.1 In
|
|
Wed 22 May | 01:00 |
WNW
|
3 / 6 mph
|
44 / 43°F
| 90% |
1026 mb
|
100%
|
0.0 In
|
|
| 04:00 |
WSW
|
3 / 6 mph
|
44 / 43°F
| 87% |
1024 mb
|
70%
|
0.0 In
|
|
| 07:00 |
W
|
3 / 6 mph
|
41 / 40°F
| 87% |
1025 mb
|
47%
|
0.0 In
|
|
| 10:00 |
W
|
1 / 2 mph
|
58 / 57°F
| 68% |
1024 mb
|
34%
|
0.0 In
|
|
| 13:00 |
NE
|
3 / 4 mph
|
65 / 64°F
| 49% |
1022 mb
|
16%
|
0.0 In
|
|
| 16:00 |
NNE
|
1 / 2 mph
|
58 / 58°F
| 63% |
1021 mb
|
43%
|
0.0 In
|
|
| 19:00 |
WSW
|
4 / 8 mph
|
44 / 42°F
| 88% |
1022 mb
|
29%
|
0.0 In
|
|
| 22:00 |
W
|
4 / 9 mph
|
42 / 40°F
| 89% |
1021 mb
|
4%
|
0.0 In
|
|
Thu 23 May | 01:00 |
W
|
4 / 9 mph
|
41 / 38°F
| 93% |
1021 mb
|
6%
|
0.0 In
|
|
| 04:00 |
W
|
5 / 10 mph
|
40 / 37°F
| 91% |
1021 mb
|
13%
|
0.0 In
|
|
| 07:00 |
W
|
5 / 11 mph
|
40 / 37°F
| 85% |
1022 mb
|
18%
|
0.0 In
|
|
| 10:00 |
W
|
4 / 5 mph
|
56 / 55°F
| 69% |
1022 mb
|
14%
|
0.0 In
|
|
| 13:00 |
S
|
4 / 4 mph
|
60 / 60°F
| 62% |
1022 mb
|
100%
|
0.0 In
|
|
| 16:00 |
SSE
|
11 / 12 mph
|
52 / 49°F
| 84% |
1024 mb
|
75%
|
0.0 In
|
|
| 19:00 |
S
|
9 / 14 mph
|
46 / 41°F
| 79% |
1028 mb
|
4%
|
0.0 In
|
|
| 22:00 |
SSW
|
6 / 12 mph
|
39 / 35°F
| 80% |
1030 mb
|
0%
|
0.0 In
|
|
Fri 24 May | 01:00 |
SW
|
5 / 10 mph
|
35 / 30°F
| 87% |
1031 mb
|
17%
|
0.0 In
|
|
| 04:00 |
SW
|
4 / 9 mph
|
36 / 32°F
| 85% |
1032 mb
|
73%
|
0.0 In
|
|
| 07:00 |
SW
|
5 / 10 mph
|
33 / 28°F
| 91% |
1033 mb
|
11%
|
0.0 In
|
|
| 10:00 |
S
|
4 / 4 mph
|
53 / 51°F
| 57% |
1034 mb
|
45%
|
0.0 In
|
|
| 13:00 |
ESE
|
5 / 6 mph
|
56 / 54°F
| 51% |
1033 mb
|
77%
|
0.0 In
|
|
| 16:00 |
SE
|
4 / 5 mph
|
50 / 49°F
| 68% |
1033 mb
|
33%
|
0.0 In
|
|
| 19:00 |
SW
|
4 / 7 mph
|
38 / 36°F
| 90% |
1034 mb
|
47%
|
0.0 In
|
|
| 22:00 |
WSW
|
4 / 9 mph
|
36 / 33°F
| 93% |
1035 mb
|
37%
|
0.0 In
|
|
Sat 25 May | 01:00 |
SW
|
4 / 9 mph
|
35 / 32°F
| 91% |
1034 mb
|
21%
|
0.0 In
|
|
| 04:00 |
SW
|
4 / 9 mph
|
37 / 34°F
| 85% |
1034 mb
|
43%
|
0.0 In
|
|
| 07:00 |
SW
|
4 / 7 mph
|
40 / 38°F
| 82% |
1035 mb
|
88%
|
0.0 In
|
|
| 10:00 |
SSW
|
3 / 3 mph
|
50 / 50°F
| 71% |
1035 mb
|
90%
|
0.0 In
|
|
| 13:00 |
SE
|
4 / 5 mph
|
56 / 55°F
| 61% |
1034 mb
|
96%
|
0.0 In
|
|
| 16:00 |
SE
|
4 / 6 mph
|
53 / 51°F
| 66% |
1034 mb
|
97%
|
0.0 In
|
|
| 19:00 |
SSW
|
3 / 7 mph
|
42 / 40°F
| 82% |
1035 mb
|
60%
|
0.0 In
|
|
| 22:00 |
SW
|
4 / 8 mph
|
39 / 37°F
| 92% |
1036 mb
|
73%
|
0.0 In
|
|
Sun 26 May | 04:00 |
WNW
|
4 / 8 mph
|
42 / 40°F
| 93% |
1034 mb
|
84%
|
0.0 In
|
|
| 10:00 |
SSW
|
1 / 1 mph
|
55 / 55°F
| 72% |
1033 mb
|
77%
|
0.0 In
|
|
| 16:00 |
E
|
2 / 4 mph
|
58 / 59°F
| 70% |
1030 mb
|
75%
|
0.0 In
|
|
| 22:00 |
W
|
4 / 9 mph
|
40 / 37°F
| 89% |
1037 mb
|
15%
|
0.0 In
|
|
Mon 27 May | 04:00 |
W
|
4 / 9 mph
|
40 / 37°F
| 94% |
1033 mb
|
4%
|
0.0 In
|
|
| 10:00 |
SSE
|
1 / 1 mph
|
54 / 54°F
| 85% |
1034 mb
|
100%
|
0.0 In
|
|
| 16:00 |
SE
|
1 / 2 mph
|
57 / 57°F
| 62% |
1032 mb
|
2%
|
0.0 In
|
|
| 22:00 |
NNW
|
3 / 5 mph
|
51 / 51°F
| 96% |
1032 mb
|
94%
|
0.1 In
|
|
Tue 28 May | 04:00 |
W
|
3 / 7 mph
|
40 / 38°F
| 87% |
1035 mb
|
1%
|
0.0 In
|
|
| 10:00 |
NNW
|
4 / 7 mph
|
59 / 59°F
| 83% |
1029 mb
|
42%
|
0.0 In
|
|
| 16:00 |
NNE
|
5 / 8 mph
|
58 / 58°F
| 61% |
1032 mb
|
0%
|
0.0 In
|
|
| 22:00 |
S
|
6 / 13 mph
|
47 / 44°F
| 93% |
1033 mb
|
19%
|
0.0 In
|
|
Wed 29 May | 04:00 |
W
|
4 / 8 mph
|
44 / 42°F
| 98% |
1030 mb
|
100%
|
0.0 In
|
|
| 10:00 |
SSE
|
5 / 10 mph
|
54 / 53°F
| 68% |
1039 mb
|
26%
|
0.0 In
|
|
| 16:00 |
NNW
|
4 / 8 mph
|
59 / 59°F
| 58% |
1024 mb
|
95%
|
0.0 In
|
|
| 22:00 |
WSW
|
4 / 7 mph
|
38 / 35°F
| 96% |
1041 mb
|
32%
|
0.0 In
|
|
Thu 30 May | 04:00 |
WNW
|
5 / 10 mph
|
43 / 40°F
| 77% |
1021 mb
|
18%
|
0.0 In
|
|
| 10:00 |
NW
|
3 / 6 mph
|
56 / 56°F
| 59% |
1042 mb
|
13%
|
0.0 In
|
|
| 16:00 |
NW
|
5 / 6 mph
|
59 / 59°F
| 85% |
1017 mb
|
16%
|
0.0 In
|
|
| 22:00 |
W
|
4 / 9 mph
|
39 / 36°F
| 74% |
1040 mb
|
0%
|
0.0 In
|
|
Fri 31 May | 04:00 |
W
|
4 / 8 mph
|
47 / 46°F
| 97% |
1017 mb
|
62%
|
0.0 In
|
|
| 10:00 |
WSW
|
2 / 5 mph
|
55 / 56°F
| 32% |
1036 mb
|
12%
|
0.0 In
|
|
| 16:00 |
WNW
|
3 / 6 mph
|
58 / 59°F
| 79% |
1016 mb
|
99%
|
0.3 In
|
|
| 22:00 |
WSW
|
4 / 9 mph
|
41 / 38°F
| 56% |
1031 mb
|
20%
|
0.0 In
|
|
Sat 01 Jun | 04:00 |
WSW
|
4 / 8 mph
|
43 / 41°F
| 94% |
1020 mb
|
18%
|
0.0 In
|
|
| 10:00 |
WNW
|
4 / 8 mph
|
58 / 58°F
| 32% |
1026 mb
|
0%
|
0.0 In
|
|
| 16:00 |
NE
|
3 / 6 mph
|
58 / 58°F
| 66% |
1022 mb
|
6%
|
0.0 In
|
|
| 22:00 |
WNW
|
7 / 15 mph
|
46 / 42°F
| 71% |
1020 mb
|
0%
|
0.0 In
|
|
Sun 02 Jun | 04:00 |
WNW
|
3 / 6 mph
|
43 / 42°F
| 93% |
1024 mb
|
2%
|
0.0 In
|
|
| 10:00 |
NW
|
11 / 20 mph
|
57 / 55°F
| 65% |
1019 mb
|
11%
|
0.0 In
|
|
| 16:00 |
NNW
|
7 / 11 mph
|
58 / 57°F
| 73% |
1020 mb
|
16%
|
0.0 In
|
|
| 22:00 |
WNW
|
6 / 12 mph
|
57 / 55°F
| 76% |
1019 mb
|
100%
|
0.0 In
|
|
Mon 03 Jun | 04:00 |
NW
|
4 / 8 mph
|
47 / 46°F
| 92% |
1013 mb
|
27%
|
0.0 In
|
|
| 10:00 |
SSE
|
2 / 5 mph
|
52 / 52°F
| 95% |
1021 mb
|
100%
|
0.1 In
|
|
| 16:00 |
WNW
|
10 / 16 mph
|
53 / 49°F
| 87% |
1006 mb
|
91%
|
0.4 In
|
|
| 22:00 |
S
|
2 / 4 mph
|
51 / 52°F
| 93% |
1020 mb
|
100%
|
0.1 In
|
|