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Boundary Lake, MT 14 Day Weather
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Boundary Lake, MT Weather Forecast
Boundary Lake, MT Weather Forecast Dated: 545 AM Fri Oct 23 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. generally humid conditions and a stable pattern will dominate.
Friday, October 23, 2026
Mid-Morning
40°F 4°C
Light Sleet
Mid-Afternoon
36°F 2°C
Blizzard
Early-Evening
35°F 2°C
Overcast
Nippy around 36°F 2°C, periods of heavy sleet, with lower humidity and barometric pressure rising. Winds easing from NNW 22 mph 35 km/h to NW 14 mph 23 km/h. Gusts up to 28 mph 44 km/h.
Saturday, October 24, 2026
Mid-Morning
29°F -1°C
Cloudy
Mid-Afternoon
40°F 5°C
Cloudy
Early-Evening
35°F 2°C
Cloudy
Biting cold near 40°F 5°C, cloudy throughout the day, with steady humidity and barometric pressure falling.
Sunday, October 25, 2026
Mid-Morning
28°F -2°C
Partly Cloudy
Mid-Afternoon
38°F 3°C
Cloudy
Early-Evening
34°F 1°C
Overcast
Cold with a high near 38°F 3°C, cloudy through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling.
Monday, October 26, 2026
Mid-Morning
29°F -2°C
Cloudy
Mid-Afternoon
42°F 6°C
Overcast
Early-Evening
38°F 3°C
Cloudy
Nippy around 42°F 6°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling. Winds blowing from the SE at 8 mph 13 km/h.
Tuesday, October 27, 2026
Mid-Morning
37°F 3°C
Light Snow
Mid-Afternoon
38°F 3°C
Light Snow Showers
Early-Evening
36°F 3°C
Light Snow
Biting cold near 38°F 3°C, persistent snow off and on through the day, with steady humidity and steady pressure. Winds moving from the N to the NNW at 10 mph 16 km/h. Gusts up to 22 mph 35 km/h.
Wednesday, October 28, 2026
Mid-Morning
33°F 1°C
Heavy Snow
Mid-Afternoon
35°F 2°C
Scattered Showers
Early-Evening
32°F -1°C
Cloudy
Cold with a high near 35°F 2°C, blowing snow reducing visibility at times, with steady humidity and barometric pressure rising. Winds out of the NNW at 14 mph 22 km/h. Gusts up to 20 mph 33 km/h.
Thursday, October 29, 2026
Mid-Morning
27°F -3°C
Light Snow
Mid-Afternoon
32°F 0°C
Partly Cloudy
Early-Evening
28°F -3°C
Sunny
Nippy around 32°F 0°C, early snow breaking for a drier afternoon, with steady humidity and steady pressure.
Friday, October 30, 2026
Mid-Morning
30°F -1°C
Sunny
Mid-Afternoon
38°F 3°C
Sunny
Early-Evening
32°F 0°C
Partly Cloudy
Biting cold near 38°F 3°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling.
Saturday, October 31, 2026
Mid-Morning
27°F -3°C
Partly Cloudy
Mid-Afternoon
34°F 1°C
Partly Cloudy
Early-Evening
30°F -2°C
Partly Cloudy
Cold with a high near 34°F 1°C, cloudy through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Sunday, November 1, 2026
Mid-Morning
29°F -2°C
Sunny
Mid-Afternoon
35°F 1°C
Sunny
Early-Evening
31°F -1°C
Sunny
Nippy around 35°F 1°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.
Monday, November 2, 2026
Mid-Morning
39°F 4°C
Scattered Showers
Mid-Afternoon
43°F 6°C
Partly Cloudy
Early-Evening
37°F 3°C
Partly Cloudy
Biting cold near 43°F 6°C, scattered downpours possible, with steady humidity and steady pressure.
Tuesday, November 3, 2026
Mid-Morning
37°F 3°C
Partly Cloudy
Mid-Afternoon
44°F 7°C
Partly Cloudy
Early-Evening
41°F 5°C
Partly Cloudy
Cold with a high near 44°F 7°C, cloudy throughout the day, with steady humidity and barometric pressure falling.
Wednesday, November 4, 2026
Mid-Morning
45°F 7°C
Cloudy
Mid-Afternoon
51°F 11°C
Partly Cloudy
Early-Evening
46°F 8°C
Partly Cloudy
Brisk around 51°F 11°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds shifting from the SW to the WSW at 11 mph 18 km/h. Gusts up to 23 mph 36 km/h.
Thursday, November 5, 2026
Mid-Morning
45°F 7°C
Cloudy
Mid-Afternoon
51°F 10°C
Overcast
Early-Evening
47°F 9°C
Cloudy
Cool and brisk at 51°F 10°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure. Winds WSW at 13 mph 21 km/h. Gusts up to 30 mph 48 km/h.
Boundary Lake, MT Weather Radar Map
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