Weather WorldHalfmoon Lake, MT 14 Day Weather
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Halfmoon Lake, MT Weather Forecast
Halfmoon Lake, MT Weather Forecast Dated: 1132 PM Sat Sep 12 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.
Saturday, September 12, 2026
Mid-Morning
50°F 10°C
Overcast
Mid-Afternoon
67°F 19°C
Overcast
Early-Evening
62°F 17°C
Overcast
Refreshing around 67°F 19°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.
Sunday, September 13, 2026
Mid-Morning
46°F 8°C
Light Showers
Mid-Afternoon
47°F 8°C
Light Rain
Early-Evening
44°F 7°C
Scattered Thunderstorms
Cool and brisk at 47°F 8°C, persistent showers off and on through the day, with increasing humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
41°F 5°C
Fog
Mid-Afternoon
44°F 7°C
Scattered Showers
Early-Evening
44°F 7°C
Scattered Showers
Cold with a high near 44°F 7°C, locally heavy downpours at times, with steady humidity and steady pressure.
Tuesday, September 15, 2026
Mid-Morning
43°F 6°C
Overcast
Mid-Afternoon
59°F 15°C
Overcast
Early-Evening
51°F 11°C
Overcast
Cool with a high near 59°F 15°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling.
Wednesday, September 16, 2026
Mid-Morning
46°F 8°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
57°F 14°C
Sunny
Refreshing around 63°F 17°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Thursday, September 17, 2026
Mid-Morning
49°F 9°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
58°F 15°C
Sunny
Pleasant near 68°F 20°C, sunny throughout the day, with lower humidity and steady pressure.
Friday, September 18, 2026
Mid-Morning
51°F 10°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
62°F 17°C
Sunny
Comfortable with temperatures reaching 72°F 22°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
78°F 25°C
Cloudy
Early-Evening
65°F 19°C
Sunny
Enjoyable around 78°F 25°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling.
Sunday, September 20, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
60°F 16°C
Sunny
Mild temperatures up to 71°F 22°C, sunny throughout the day, with steady humidity and steady pressure. Winds turning from the SE to the SSE at 6 mph 9 km/h.
Monday, September 21, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
67°F 19°C
Cloudy
Early-Evening
58°F 15°C
Overcast
Mildly cool near 67°F 19°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling.
Tuesday, September 22, 2026
Mid-Morning
51°F 10°C
Overcast
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
57°F 14°C
Cloudy
Pleasant near 68°F 20°C, overcast in the morning, sunny in the afternoon, and partly cloudy this evening, with lower humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
49°F 9°C
Overcast
Mid-Afternoon
67°F 19°C
Overcast
Early-Evening
55°F 13°C
Overcast
Cool with a high near 67°F 19°C, overcast through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling.
Thursday, September 24, 2026
Mid-Morning
49°F 9°C
Overcast
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
59°F 15°C
Overcast
Enjoyable around 70°F 21°C, overcast throughout the day, with steady humidity and barometric pressure falling.
Friday, September 25, 2026
Mid-Morning
51°F 10°C
Overcast
Mid-Afternoon
53°F 12°C
Cloudy
Early-Evening
46°F 8°C
Overcast
Cool and brisk at 53°F 12°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and barometric pressure rising.
Halfmoon Lake, MT Weather Radar Map
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