Weather WorldCircle Lake, MT 14 Day Weather
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Circle Lake, MT Weather Forecast
Circle Lake, MT Weather Forecast Dated: 1150 AM Fri Sep 18 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.
Friday, September 18, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
64°F 18°C
Overcast
Pleasant near 70°F 21°C, sunny through the afternoon, turning overcast this evening, with steady humidity and steady pressure.
Saturday, September 19, 2026
Mid-Morning
54°F 12°C
Overcast
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
61°F 16°C
Sunny
Comfortable with temperatures reaching 68°F 20°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure.
Sunday, September 20, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
69°F 21°C
Sunny
Early-Evening
63°F 17°C
Sunny
Enjoyable around 69°F 21°C, sunny throughout the day, with lower humidity and steady pressure.
Monday, September 21, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
64°F 18°C
Sunny
Mild temperatures up to 70°F 21°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling.
Tuesday, September 22, 2026
Mid-Morning
54°F 12°C
Partly Cloudy
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
57°F 14°C
Sunny
Refreshing around 66°F 19°C, partly cloudy in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
48°F 9°C
Overcast
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
58°F 15°C
Cloudy
Mildly cool near 66°F 19°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.
Thursday, September 24, 2026
Mid-Morning
56°F 13°C
Overcast
Mid-Afternoon
74°F 23°C
Overcast
Early-Evening
66°F 19°C
Overcast
Comfortable with temperatures reaching 74°F 23°C, overcast throughout the day, with steady humidity and barometric pressure falling.
Friday, September 25, 2026
Mid-Morning
58°F 15°C
Overcast
Mid-Afternoon
74°F 24°C
Overcast
Early-Evening
65°F 18°C
Overcast
Enjoyable around 74°F 24°C, overcast throughout the day, with steady humidity and barometric pressure falling.
Saturday, September 26, 2026
Mid-Morning
50°F 10°C
Drizzle
Mid-Afternoon
38°F 3°C
Rain
Early-Evening
40°F 5°C
Rain
Cold with a high near 38°F 3°C, on-and-off showers throughout the day, with steady humidity and barometric pressure rising. Winds turning from the WSW to the SSW at 9 mph 14 km/h.
Sunday, September 27, 2026
Mid-Morning
42°F 6°C
Scattered Showers
Mid-Afternoon
46°F 8°C
Light Showers
Early-Evening
44°F 7°C
Light Showers
Cool and brisk at 46°F 8°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure.
Monday, September 28, 2026
Mid-Morning
42°F 6°C
Light Showers
Mid-Afternoon
43°F 6°C
Light Showers
Early-Evening
43°F 6°C
Light Showers
Biting cold near 43°F 6°C, persistent showers off and on through the day, with steady humidity and barometric pressure rising.
Tuesday, September 29, 2026
Mid-Morning
42°F 5°C
Overcast
Mid-Afternoon
51°F 11°C
Scattered Showers
Early-Evening
43°F 6°C
Sunny
Crisp with a high near 51°F 11°C, locally heavy downpours at times, with lower humidity and steady pressure.
Wednesday, September 30, 2026
Mid-Morning
37°F 3°C
Sunny
Mid-Afternoon
52°F 11°C
Sunny
Early-Evening
45°F 7°C
Sunny
Brisk around 52°F 11°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Thursday, October 1, 2026
Mid-Morning
42°F 5°C
Sunny
Mid-Afternoon
58°F 14°C
Sunny
Early-Evening
50°F 10°C
Sunny
Mildly cool near 58°F 14°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Circle Lake, MT Weather Radar Map
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