Gallatin Rapids, MT 14 Day Weather
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Gallatin Rapids, MT Weather Forecast


Gallatin Rapids, MT Weather Forecast Dated: 423 PM Mon Sep 21 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Monday, September 21, 2026
Mid-Morning
52°F 11°C
Overcast
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
66°F 19°C
Sunny
Pleasant near 71°F 22°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds out of the SE at 13 mph 21 km/h.
Tuesday, September 22, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
72°F 22°C
Partly Cloudy
Comfortable with temperatures reaching 75°F 24°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure.
Wednesday, September 23, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
76°F 25°C
Overcast
Early-Evening
72°F 22°C
Overcast
Enjoyable around 76°F 25°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds switching from the NW to the SSE at 4 mph 7 km/h.
Thursday, September 24, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
75°F 24°C
Sunny
Warm temperatures up to 80°F 27°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds moving from the SSW to the ESE at 9 mph 15 km/h.
Friday, September 25, 2026
Mid-Morning
66°F 19°C
Sunny
Mid-Afternoon
88°F 31°C
Cloudy
Early-Evening
73°F 23°C
Overcast
Very warm with a high of 88°F 31°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds picking up from SE at 6 mph 10 km/h to NW at 16 mph 26 km/h. Gusts up to 26 mph 42 km/h.
Saturday, September 26, 2026
Mid-Morning
47°F 8°C
Sunny
Mid-Afternoon
56°F 14°C
Sunny
Early-Evening
52°F 11°C
Sunny
Cool and brisk at 56°F 14°C, sunny throughout the day, with lower humidity and steady pressure. Winds tapering down from WNW 23 mph 37 km/h to NE 9 mph 14 km/h.
Sunday, September 27, 2026
Mid-Morning
49°F 9°C
Overcast
Mid-Afternoon
67°F 20°C
Overcast
Early-Evening
64°F 18°C
Sunny
Comfortable at 67°F 20°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds turning from the SE to the NNE at 5 mph 7 km/h.
Monday, September 28, 2026
Mid-Morning
51°F 10°C
Overcast
Mid-Afternoon
60°F 15°C
Partly Cloudy
Early-Evening
53°F 11°C
Sunny
Cool with a high near 60°F 15°C, overcast in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds switching from the WNW to the W at 20 mph 33 km/h. Gusts up to 30 mph 49 km/h.
Tuesday, September 29, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
57°F 14°C
Overcast
Early-Evening
54°F 12°C
Overcast
Brisk around 57°F 14°C, overcast throughout the day, with lower humidity and steady pressure. Winds moving from the W to the WNW at 12 mph 20 km/h.
Wednesday, September 30, 2026
Mid-Morning
45°F 7°C
Overcast
Mid-Afternoon
44°F 7°C
Scattered Showers
Early-Evening
43°F 6°C
Overcast
Nippy around 44°F 7°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds decreasing from WNW 17 mph 27 km/h to WNW 9 mph 14 km/h.
Thursday, October 1, 2026
Mid-Morning
42°F 5°C
Sunny
Mid-Afternoon
55°F 13°C
Sunny
Early-Evening
52°F 11°C
Sunny
Chilly near 55°F 13°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds picking up from SE at 2 mph 4 km/h to E at 11 mph 18 km/h.
Friday, October 2, 2026
Mid-Morning
46°F 8°C
Overcast
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
58°F 15°C
Overcast
Cool with a high near 61°F 16°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds turning from the ESE to the E at 12 mph 19 km/h. Gusts up to 21 mph 33 km/h.
Saturday, October 3, 2026
Mid-Morning
51°F 10°C
Overcast
Mid-Afternoon
62°F 17°C
Sunny
Early-Evening
56°F 13°C
Sunny
Refreshing around 62°F 17°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the N to the NNW at 9 mph 14 km/h.
Sunday, October 4, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
58°F 15°C
Sunny
Mildly cool near 64°F 18°C, sunny throughout the day, with steady humidity and steady pressure.
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