Grasshopper Lakes, MT 14 Day Weather
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Grasshopper Lakes, MT Weather Forecast


Grasshopper Lakes, MT Weather Forecast Dated: 1119 AM Sat Sep 12 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.
Saturday, September 12, 2026
Mid-Morning
43°F 6°C
Cloudy
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
52°F 11°C
Overcast
Refreshing around 61°F 16°C, cloudy in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds turning from the SW to the ESE at 8 mph 13 km/h.
Sunday, September 13, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
63°F 17°C
Partly Cloudy
Early-Evening
51°F 10°C
Sunny
Mildly cool near 63°F 17°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and barometric pressure falling. Winds switching from the ESE to the SSW at 12 mph 19 km/h. Gusts up to 21 mph 35 km/h.
Monday, September 14, 2026
Mid-Morning
35°F 2°C
Sunny
Mid-Afternoon
50°F 10°C
Sunny
Early-Evening
44°F 7°C
Cloudy
Chilly near 50°F 10°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the SW to the SSW at 9 mph 15 km/h.
Tuesday, September 15, 2026
Mid-Morning
43°F 6°C
Sunny
Mid-Afternoon
58°F 15°C
Sunny
Early-Evening
48°F 9°C
Sunny
Cool with a high near 58°F 15°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds swinging from the SSW to the SE at 10 mph 15 km/h.
Wednesday, September 16, 2026
Mid-Morning
46°F 8°C
Partly Cloudy
Mid-Afternoon
60°F 16°C
Cloudy
Early-Evening
49°F 10°C
Sunny
Refreshing around 60°F 16°C, partly cloudy in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and barometric pressure rising. Winds shifting from the S to the NE at 8 mph 13 km/h.
Thursday, September 17, 2026
Mid-Morning
49°F 10°C
Sunny
Mid-Afternoon
65°F 19°C
Cloudy
Early-Evening
52°F 11°C
Sunny
Mildly cool near 65°F 19°C, sunny in the morning, cloudy in the afternoon, and sunny this evening, with increasing humidity and steady pressure. Winds turning from the ESE to the E at 8 mph 13 km/h.
Friday, September 18, 2026
Mid-Morning
45°F 7°C
Sunny
Mid-Afternoon
62°F 16°C
Sunny
Early-Evening
53°F 12°C
Sunny
Comfortable at 62°F 16°C, sunny throughout the day, with lower humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
55°F 13°C
Sunny
Cool with a high near 66°F 19°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Sunday, September 20, 2026
Mid-Morning
51°F 11°C
Sunny
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
57°F 14°C
Partly Cloudy
Refreshing around 66°F 19°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the S to the NE at 8 mph 13 km/h.
Monday, September 21, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
56°F 13°C
Sunny
Mildly cool near 66°F 19°C, sunny throughout the day, with steady humidity and steady pressure. Winds building from SSW at 1 mph 2 km/h to NW at 9 mph 14 km/h.
Tuesday, September 22, 2026
Mid-Morning
50°F 10°C
Partly Cloudy
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
57°F 14°C
Sunny
Pleasant near 68°F 20°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling. Winds swinging from the SW to the SSW at 8 mph 12 km/h.
Wednesday, September 23, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
70°F 21°C
Sunny
Early-Evening
57°F 14°C
Sunny
Comfortable with temperatures reaching 70°F 21°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds out of the WSW at 15 mph 23 km/h.
Thursday, September 24, 2026
Mid-Morning
51°F 10°C
Sunny
Mid-Afternoon
69°F 20°C
Overcast
Early-Evening
59°F 15°C
Partly Cloudy
Enjoyable around 69°F 20°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the SSW to the NNE at 10 mph 17 km/h.
Friday, September 25, 2026
Mid-Morning
44°F 6°C
Light Showers
Mid-Afternoon
48°F 9°C
Light Showers
Early-Evening
46°F 8°C
Overcast
Cool and brisk at 48°F 9°C, showers lingering into the afternoon before clearing, with steady humidity and steady pressure.
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