The long-range forecast for Montana predicts a heatwave, with temperatures reaching up to 37°, significantly higher than typical for Montana for this time of the year and 4 °C above the historical average.
Select a month and click on a day for more information:
Tuesday
Sep 1
33° / 14°
Wednesday
Sep 2
37° / 17°
Thursday
Sep 3
28° / 14°
Friday
Sep 4
27° / 13°
Saturday
Sep 5
30° / 13°
Sunday
Sep 6
29° / 13°
Monday
Sep 7
27° / 10°
Tuesday
Sep 8
26° / 11°
Wednesday
Sep 9
25° / 12°
Thursday
Sep 10
26° / 11°
Friday
Sep 11
26° / 10°
Saturday
Sep 12
26° / 10°
Sunday
Sep 13
24° / 12°
Monday
Sep 14
28° / 11°
Tuesday
Sep 15
28° / 12°
Wednesday
Sep 16
24° / 12°
Thursday
Sep 17
26° / 11°
Friday
Sep 18
26° / 9°
Saturday
Sep 19
26° / 11°
Sunday
Sep 20
21° / 10°
Monday
Sep 21
22° / 8°
Tuesday
Sep 22
24° / 9°
Wednesday
Sep 23
24° / 10°
Thursday
Sep 24
25° / 9°
Friday
Sep 25
27° / 9°
Saturday
Sep 26
26° / 11°
Sunday
Sep 27
24° / 8°
Monday
Sep 28
24° / 8°
Tuesday
Sep 29
23° / 8°
Wednesday
Sep 30
18° / 6°
Montana 30 days weather forecast
Check out our estimated 30 days weather forecast for Montana, this data is based on the average weather in Montana in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Montana next to the desired date.