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Star Lake, MT Weather Forecast
Star Lake, MT Weather Forecast Dated: 801 PM Thu Sep 10 2026
Expect a cool pattern with plenty of sunshine and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Thursday, September 10, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
64°F 18°C
Overcast
Early-Evening
52°F 11°C
Partly Cloudy
Refreshing around 64°F 18°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the SSW to the S at 10 mph 16 km/h.
Friday, September 11, 2026
Mid-Morning
48°F 9°C
Overcast
Mid-Afternoon
62°F 17°C
Cloudy
Early-Evening
47°F 8°C
Scattered Showers
Mildly cool near 62°F 17°C, scattered downpours possible, with increasing humidity and steady pressure. Winds switching from the SW to the NNE at 8 mph 13 km/h.
Saturday, September 12, 2026
Mid-Morning
43°F 6°C
Partly Cloudy
Mid-Afternoon
54°F 12°C
Light Showers
Early-Evening
45°F 7°C
Nearby Thunderstorms
Chilly near 54°F 12°C, locally heavy downpours at times, with increasing humidity and barometric pressure falling.
Sunday, September 13, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
56°F 13°C
Partly Cloudy
Early-Evening
44°F 7°C
Sunny
Crisp with a high near 56°F 13°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure. Winds increasing from the SSE at 5 mph 8 km/h to SW at 15 mph 23 km/h. Gusts up to 31 mph 50 km/h.
Monday, September 14, 2026
Mid-Morning
34°F 1°C
Light Fog
Mid-Afternoon
49°F 9°C
Partly Cloudy
Early-Evening
43°F 6°C
Partly Cloudy
Brisk around 49°F 9°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
39°F 4°C
Sunny
Mid-Afternoon
56°F 13°C
Sunny
Early-Evening
46°F 8°C
Sunny
Cool and brisk at 56°F 13°C, sunny throughout the day, with lower humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
60°F 16°C
Sunny
Early-Evening
52°F 11°C
Sunny
Comfortable at 60°F 16°C, sunny throughout the day, with lower humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
65°F 18°C
Sunny
Early-Evening
53°F 12°C
Sunny
Cool with a high near 65°F 18°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the SSE to the ESE at 3 mph 5 km/h.
Friday, September 18, 2026
Mid-Morning
52°F 11°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
57°F 14°C
Sunny
Mild temperatures up to 68°F 20°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
57°F 14°C
Sunny
Mildly cool near 65°F 18°C, overcast through the afternoon, turning partly cloudy this evening, with increasing humidity and barometric pressure falling. Winds shifting from the SSW to the N at 9 mph 15 km/h.
Sunday, September 20, 2026
Mid-Morning
51°F 10°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
55°F 13°C
Cloudy
Comfortable at 64°F 18°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the SW to the NNW at 8 mph 12 km/h.
Monday, September 21, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
52°F 11°C
Overcast
Cool with a high near 61°F 16°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the SW to the NNW at 8 mph 14 km/h.
Tuesday, September 22, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
61°F 16°C
Sunny
Early-Evening
52°F 12°C
Sunny
Refreshing around 61°F 16°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds blowing from the W at 12 mph 19 km/h.
Wednesday, September 23, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
67°F 19°C
Sunny
Early-Evening
55°F 13°C
Sunny
Mildly cool near 67°F 19°C, sunny throughout the day, with steady humidity and barometric pressure falling.
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