Weather WorldGranite Lake, MT 14 Day Weather
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Granite Lake, MT Weather Forecast
Granite Lake, MT Weather Forecast Dated: 705 AM Wed Oct 21 2026
Expect a cool pattern with a mix of sun and clouds and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.
Wednesday, October 21, 2026
Mid-Morning
40°F 4°C
Sunny
Mid-Afternoon
47°F 8°C
Scattered Showers
Early-Evening
47°F 8°C
Scattered Showers
Brisk around 47°F 8°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds out of the SW at 9 mph 14 km/h.
Thursday, October 22, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
52°F 11°C
Scattered Showers
Early-Evening
49°F 10°C
Scattered Showers
Cool and brisk at 52°F 11°C, scattered downpours possible, with steady humidity and barometric pressure falling.
Friday, October 23, 2026
Mid-Morning
44°F 7°C
Partly Cloudy
Mid-Afternoon
36°F 2°C
Light Snow Showers
Early-Evening
30°F -2°C
Heavy Snow & Thunder
Cold with a high near 36°F 2°C, dry early, with snow continuing through afternoon and evening, with increasing humidity and barometric pressure rising. Winds switching from the SSE to the SW at 11 mph 18 km/h.
Saturday, October 24, 2026
Mid-Morning
25°F -4°C
Partly Cloudy
Mid-Afternoon
33°F 1°C
Sunny
Early-Evening
33°F 1°C
Sunny
Nippy around 33°F 1°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure.
Sunday, October 25, 2026
Mid-Morning
18°F -8°C
Light Snow
Mid-Afternoon
25°F -4°C
Light Snow
Early-Evening
24°F -5°C
Light Snow
Freezing temperatures near 25°F -4°C, persistent snow off and on through the day, with steady humidity and steady pressure.
Monday, October 26, 2026
Mid-Morning
27°F -3°C
Sunny
Mid-Afternoon
33°F 1°C
Light Snow
Early-Evening
34°F 1°C
Heavy Snow Showers
Cold with a high near 33°F 1°C, dry early, with snow continuing through afternoon and evening, with steady humidity and steady pressure. Winds SW at 5 mph 8 km/h.
Tuesday, October 27, 2026
Mid-Morning
22°F -6°C
Heavy Snow & Thunder
Mid-Afternoon
19°F -7°C
Heavy Snow & Thunder
Early-Evening
19°F -8°C
Heavy Snow Showers
Freezing near 19°F -7°C, rounds of snow expected off and on all day, with steady humidity and barometric pressure rising. Snow accumulation up to 2 in. up to 5 cm.
Wednesday, October 28, 2026
Mid-Morning
24°F -4°C
Sunny
Mid-Afternoon
28°F -2°C
Sunny
Early-Evening
29°F -2°C
Sunny
Freezing temperatures near 28°F -2°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the SW to the SSW at 6 mph 10 km/h.
Thursday, October 29, 2026
Mid-Morning
35°F 1°C
Overcast
Mid-Afternoon
34°F 1°C
Overcast
Early-Evening
35°F 2°C
Sunny
Cold with a high near 34°F 1°C, overcast through the afternoon, turning sunny this evening, with increasing humidity and steady pressure. Winds blowing from the SW at 5 mph 8 km/h.
Friday, October 30, 2026
Mid-Morning
37°F 3°C
Sunny
Mid-Afternoon
38°F 3°C
Sunny
Early-Evening
39°F 4°C
Partly Cloudy
Nippy around 38°F 3°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the SSW to the SW at 9 mph 15 km/h.
Saturday, October 31, 2026
Mid-Morning
39°F 4°C
Cloudy
Mid-Afternoon
38°F 3°C
Overcast
Early-Evening
40°F 5°C
Cloudy
Biting cold near 38°F 3°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds switching from the SSW to the SW at 8 mph 13 km/h.
Sunday, November 1, 2026
Mid-Morning
31°F 0°C
Freezing Rain
Mid-Afternoon
35°F 2°C
Light Snow
Early-Evening
35°F 2°C
Light Snow
Cold with a high near 35°F 2°C, on-and-off freezing rain throughout the day, with increasing humidity and steady pressure. Winds blowing from the SW at 10 mph 16 km/h.
Monday, November 2, 2026
Mid-Morning
40°F 4°C
Overcast
Mid-Afternoon
37°F 3°C
Snow
Early-Evening
30°F -1°C
Heavy Snow
Nippy around 37°F 3°C, drier morning followed by snow lasting through evening, with increasing humidity and barometric pressure falling.
Tuesday, November 3, 2026
Mid-Morning
21°F -6°C
Heavy Snow
Mid-Afternoon
17°F -8°C
Heavy Snow
Early-Evening
13°F -11°C
Heavy Snow
Freezing temperatures near 17°F -8°C, persistent snow off and on through the day, with steady humidity and barometric pressure rising. New snow accumulation of 5 to 8 in. 13 to 20 cm. Winds NNE at 10 mph 16 km/h.
Granite Lake, MT Weather Radar Map
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