The Saint Helens long range forecast shows a slight warming trend, with temperatures gently rising above the seasonal average, 1 °C comparing to the historical average.
Select a month and click on a day for more information:
Thursday
Oct 1
24° / 19°
Friday
Oct 2
24° / 19°
Saturday
Oct 3
22° / 18°
Sunday
Oct 4
20° / 18°
Monday
Oct 5
20° / 17°
Tuesday
Oct 6
21° / 16°
Wednesday
Oct 7
21° / 16°
Thursday
Oct 8
23° / 17°
Friday
Oct 9
23° / 18°
Saturday
Oct 10
22° / 18°
Sunday
Oct 11
24° / 17°
Monday
Oct 12
23° / 18°
Tuesday
Oct 13
23° / 17°
Wednesday
Oct 14
23° / 18°
Thursday
Oct 15
22° / 17°
Friday
Oct 16
22° / 18°
Saturday
Oct 17
23° / 17°
Sunday
Oct 18
24° / 18°
Monday
Oct 19
24° / 18°
Tuesday
Oct 20
24° / 18°
Wednesday
Oct 21
22° / 19°
Thursday
Oct 22
23° / 18°
Friday
Oct 23
24° / 18°
Saturday
Oct 24
26° / 20°
Sunday
Oct 25
23° / 19°
Monday
Oct 26
24° / 18°
Tuesday
Oct 27
23° / 18°
Wednesday
Oct 28
25° / 18°
Thursday
Oct 29
25° / 18°
Friday
Oct 30
24° / 19°
Saturday
Oct 31
23° / 17°
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.