The long-range forecast for Saint Helens predicts a heatwave, with temperatures reaching up to 33°, significantly higher than typical for Saint Helens for this time of the year and 7.3 °C above the historical average.
Select a month and click on a day for more information:
Wednesday
Jan 1
28° / 22°
Thursday
Jan 2
28° / 22°
Friday
Jan 3
28° / 22°
Saturday
Jan 4
27° / 22°
Sunday
Jan 5
19° / 10°
Monday
Jan 6
20° / 11°
Tuesday
Jan 7
21° / 11°
Wednesday
Jan 8
20° / 12°
Thursday
Jan 9
23° / 10°
Friday
Jan 10
22° / 12°
Saturday
Jan 11
21° / 9°
Sunday
Jan 12
26° / 9°
Monday
Jan 13
22° / 12°
Tuesday
Jan 14
19° / 12°
Wednesday
Jan 15
22° / 13°
Thursday
Jan 16
21° / 12°
Friday
Jan 17
26° / 12°
Saturday
Jan 18
21° / 14°
Sunday
Jan 19
20° / 8°
Monday
Jan 20
22° / 11°
Tuesday
Jan 21
22° / 13°
Wednesday
Jan 22
20° / 10°
Thursday
Jan 23
20° / 10°
Friday
Jan 24
27° / 12°
Saturday
Jan 25
26° / 11°
Sunday
Jan 26
23° / 13°
Monday
Jan 27
21° / 12°
Tuesday
Jan 28
29° / 17°
Wednesday
Jan 29
23° / 15°
Thursday
Jan 30
23° / 13°
Friday
Jan 31
24° / 12°
Saint Helens 30 days weather forecast
Check out our estimated 30 days weather forecast for Saint Helens, this data is based on the average weather in Saint Helens in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Saint Helens next to the desired date.