For this time of the year, St Helens is experiencing slightly cooler temperatures, gently falling below the seasonal average.
According to the long-range forecast, temperatures are expected to be 19.1 °C which is -1.6 °C lower than the historical average.
Select a month and click on a day for more information:
Tuesday
Sep 1
19° / 13°
Wednesday
Sep 2
17° / 12°
Thursday
Sep 3
21° / 10°
Friday
Sep 4
17° / 13°
Saturday
Sep 5
17° / 11°
Sunday
Sep 6
17° / 10°
Monday
Sep 7
15° / 11°
Tuesday
Sep 8
23° / 14°
Wednesday
Sep 9
21° / 13°
Thursday
Sep 10
20° / 13°
Friday
Sep 11
17° / 11°
Saturday
Sep 12
19° / 11°
Sunday
Sep 13
16° / 10°
Monday
Sep 14
19° / 10°
Tuesday
Sep 15
16° / 11°
Wednesday
Sep 16
17° / 11°
Thursday
Sep 17
20° / 10°
Friday
Sep 18
18° / 11°
Saturday
Sep 19
19° / 13°
Sunday
Sep 20
18° / 11°
Monday
Sep 21
18° / 10°
Tuesday
Sep 22
18° / 9°
Wednesday
Sep 23
17° / 10°
Thursday
Sep 24
18° / 10°
Friday
Sep 25
17° / 10°
Saturday
Sep 26
16° / 10°
Sunday
Sep 27
14° / 9°
Monday
Sep 28
15° / 8°
Tuesday
Sep 29
15° / 8°
Wednesday
Sep 30
14° / 8°
St Helens 30 days weather forecast
Check out our estimated 30 days weather forecast for St Helens, this data is based on the average weather in St Helens in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for St Helens next to the desired date.