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Green Lake, MT Weather Forecast
Green Lake, MT Weather Forecast Dated: 1224 AM Sun Sep 27 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.
Sunday, September 27, 2026
Mid-Morning
37°F 3°C
Overcast
Mid-Afternoon
52°F 11°C
Overcast
Early-Evening
45°F 8°C
Overcast
Brisk around 52°F 11°C, overcast throughout the day, with lower humidity and barometric pressure falling.
Monday, September 28, 2026
Mid-Morning
39°F 4°C
Overcast
Mid-Afternoon
57°F 14°C
Sunny
Early-Evening
50°F 10°C
Sunny
Cool and brisk at 57°F 14°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling.
Tuesday, September 29, 2026
Mid-Morning
41°F 5°C
Cloudy
Mid-Afternoon
54°F 12°C
Overcast
Early-Evening
48°F 9°C
Partly Cloudy
Chilly near 54°F 12°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and steady pressure. Winds turning from the SSE to the S at 5 mph 8 km/h.
Wednesday, September 30, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
57°F 14°C
Partly Cloudy
Early-Evening
51°F 11°C
Sunny
Crisp with a high near 57°F 14°C, overcast in the morning, becoming partly cloudy through the afternoon and evening, with steady humidity and steady pressure.
Thursday, October 1, 2026
Mid-Morning
47°F 8°C
Cloudy
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
60°F 16°C
Cloudy
Mild with a high of 68°F 20°C, overcast in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling.
Friday, October 2, 2026
Mid-Morning
47°F 9°C
Sunny
Mid-Afternoon
62°F 17°C
Partly Cloudy
Early-Evening
52°F 11°C
Scattered Showers
Mildly cool near 62°F 17°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds blowing from the WSW at 8 mph 13 km/h.
Saturday, October 3, 2026
Mid-Morning
40°F 4°C
Light Showers
Mid-Afternoon
51°F 10°C
Partly Cloudy
Early-Evening
47°F 9°C
Sunny
Chilly near 51°F 10°C, early showers breaking for a drier afternoon, with lower humidity and steady pressure.
Sunday, October 4, 2026
Mid-Morning
42°F 6°C
Overcast
Mid-Afternoon
62°F 16°C
Sunny
Early-Evening
55°F 13°C
Sunny
Cool with a high near 62°F 16°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.
Monday, October 5, 2026
Mid-Morning
47°F 8°C
Cloudy
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
59°F 15°C
Cloudy
Mild temperatures up to 69°F 21°C, cloudy in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and steady pressure.
Tuesday, October 6, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
69°F 20°C
Sunny
Early-Evening
59°F 15°C
Sunny
Mild with a high of 69°F 20°C, sunny throughout the day, with lower humidity and steady pressure.
Wednesday, October 7, 2026
Mid-Morning
51°F 10°C
Overcast
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
62°F 17°C
Sunny
Pleasant near 72°F 22°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling.
Thursday, October 8, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
67°F 19°C
Sunny
Comfortable with temperatures reaching 78°F 26°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Friday, October 9, 2026
Mid-Morning
53°F 12°C
Overcast
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
60°F 15°C
Sunny
Enjoyable around 68°F 20°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling.
Saturday, October 10, 2026
Mid-Morning
47°F 8°C
Scattered Showers
Mid-Afternoon
54°F 12°C
Scattered Showers
Early-Evening
49°F 10°C
Partly Cloudy
Cool and brisk at 54°F 12°C, scattered downpours possible, with lower humidity and steady pressure. Winds moving from the SSW to the SW at 5 mph 8 km/h.
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