Square Lake, MT 14 Day Weather
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Square Lake, MT Weather Forecast


Square Lake, MT Weather Forecast Dated: 850 AM Mon Oct 05 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.
Monday, October 5, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
61°F 16°C
Overcast
Pleasant near 77°F 25°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure. Winds out of the WSW at 9 mph 14 km/h.
Tuesday, October 6, 2026
Mid-Morning
47°F 9°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
59°F 15°C
Overcast
Comfortable with temperatures reaching 74°F 23°C, sunny through the afternoon, turning overcast this evening, with lower humidity and steady pressure.
Wednesday, October 7, 2026
Mid-Morning
45°F 7°C
Overcast
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
57°F 14°C
Sunny
Enjoyable around 75°F 24°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
Thursday, October 8, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
57°F 14°C
Sunny
Mild temperatures up to 74°F 23°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling.
Friday, October 9, 2026
Mid-Morning
47°F 8°C
Overcast
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
57°F 14°C
Sunny
Mild with a high of 73°F 23°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling. Winds blowing from the WSW at 13 mph 20 km/h. Gusts up to 21 mph 34 km/h.
Saturday, October 10, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
57°F 14°C
Scattered Showers
Early-Evening
44°F 7°C
Scattered Showers
Cool and brisk at 57°F 14°C, locally heavy downpours at times, with steady humidity and steady pressure.
Sunday, October 11, 2026
Mid-Morning
32°F 0°C
Freezing Rain
Mid-Afternoon
40°F 4°C
Overcast
Early-Evening
32°F 0°C
Heavy Snow
Nippy around 40°F 4°C, rounds of freezing rain morning and night, dry in between, with steady humidity and barometric pressure falling. Snow accumulation up to 2 in. up to 5 cm. Winds NE at 11 mph 17 km/h.
Monday, October 12, 2026
Mid-Morning
29°F -2°C
Snow
Mid-Afternoon
37°F 3°C
Snow
Early-Evening
29°F -2°C
Heavy Snow Showers
Biting cold near 37°F 3°C, persistent snow off and on through the day, with steady humidity and steady pressure.
Tuesday, October 13, 2026
Mid-Morning
20°F -7°C
Light Fog
Mid-Afternoon
39°F 4°C
Overcast
Early-Evening
36°F 2°C
Light Fog
Cold with a high near 39°F 4°C, overcast throughout the day, with steady humidity and steady pressure.
Wednesday, October 14, 2026
Mid-Morning
25°F -4°C
Freezing Fog
Mid-Afternoon
48°F 9°C
Sunny
Early-Evening
36°F 2°C
Sunny
Cool and brisk at 48°F 9°C, sunny throughout the day, with steady humidity and steady pressure.
Thursday, October 15, 2026
Mid-Morning
26°F -3°C
Freezing Fog
Mid-Afternoon
55°F 13°C
Sunny
Early-Evening
39°F 4°C
Sunny
Chilly near 55°F 13°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling.
Friday, October 16, 2026
Mid-Morning
30°F -1°C
Partly Cloudy
Mid-Afternoon
59°F 15°C
Sunny
Early-Evening
43°F 6°C
Cloudy
Cool with a high near 59°F 15°C, cloudy in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling.
Saturday, October 17, 2026
Mid-Morning
35°F 1°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
46°F 8°C
Overcast
Refreshing around 64°F 18°C, sunny through the afternoon, turning overcast this evening, with lower humidity and barometric pressure falling.
Sunday, October 18, 2026
Mid-Morning
38°F 4°C
Overcast
Mid-Afternoon
62°F 17°C
Cloudy
Early-Evening
46°F 7°C
Overcast
Mildly cool near 62°F 17°C, overcast in the morning, cloudy in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.
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