The Great Falls long range forecast shows a slight warming trend, with temperatures gently rising above the seasonal average, -5.6° comparing to the historical average.
Select a month and click on a day for more information:
Saturday
Jun 1
20° / 10°
Sunday
Jun 2
16° / 10°
Monday
Jun 3
18° / 11°
Tuesday
Jun 4
22° / 9°
Wednesday
Jun 5
23° / 12°
Thursday
Jun 6
20° / 11°
Friday
Jun 7
22° / 9°
Saturday
Jun 8
24° / 11°
Sunday
Jun 9
23° / 13°
Monday
Jun 10
21° / 14°
Tuesday
Jun 11
23° / 14°
Wednesday
Jun 12
24° / 11°
Thursday
Jun 13
23° / 11°
Friday
Jun 14
17° / 8°
Saturday
Jun 15
17° / 7°
Sunday
Jun 16
27° / 8°
Monday
Jun 17
28° / 11°
Tuesday
Jun 18
26° / 11°
Wednesday
Jun 19
20° / 12°
Thursday
Jun 20
10° / 9°
Friday
Jun 21
22° / 5°
Saturday
Jun 22
24° / 8°
Sunday
Jun 23
26° / 10°
Monday
Jun 24
22° / 11°
Tuesday
Jun 25
22° / 7°
Wednesday
Jun 26
26° / 9°
Thursday
Jun 27
28° / 11°
Friday
Jun 28
31° / 11°
Saturday
Jun 29
28° / 12°
Sunday
Jun 30
26° / 10°
Great Falls 30 days weather forecast
Check out our estimated 30 days weather forecast for Great Falls, this data is based on the average weather in Great Falls in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Great Falls next to the desired date.