The long-range forecast for Saint Helens predicts a heatwave, with temperatures reaching up to 32°, significantly higher than typical for Saint Helens for this time of the year and 8.1 °C above the historical average.
Select a month and click on a day for more information:
Monday
Dec 1
22° / 17°
Tuesday
Dec 2
23° / 17°
Wednesday
Dec 3
24° / 17°
Thursday
Dec 4
26° / 17°
Friday
Dec 5
29° / 19°
Saturday
Dec 6
29° / 19°
Sunday
Dec 7
31° / 19°
Monday
Dec 8
30° / 20°
Tuesday
Dec 9
30° / 22°
Wednesday
Dec 10
30° / 21°
Thursday
Dec 11
31° / 21°
Friday
Dec 12
29° / 21°
Saturday
Dec 13
30° / 21°
Sunday
Dec 14
30° / 21°
Monday
Dec 15
32° / 20°
Tuesday
Dec 16
31° / 21°
Wednesday
Dec 17
29° / 22°
Thursday
Dec 18
28° / 21°
Friday
Dec 19
20° / 13°
Saturday
Dec 20
19° / 12°
Sunday
Dec 21
19° / 14°
Monday
Dec 22
21° / 14°
Tuesday
Dec 23
22° / 14°
Wednesday
Dec 24
24° / 14°
Thursday
Dec 25
23° / 16°
Friday
Dec 26
23° / 16°
Saturday
Dec 27
24° / 17°
Sunday
Dec 28
25° / 17°
Monday
Dec 29
21° / 15°
Tuesday
Dec 30
21° / 16°
Wednesday
Dec 31
24° / 16°
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.