Grant, MT 14 Day Weather - WeatherWorld.com
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Grant, MT Weather Forecast


Grant, MT Weather Forecast Dated: 326 AM Sat Sep 05 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.
Saturday, September 5, 2026
Mid-Morning
48°F 9°C
Sunny
Mid-Afternoon
70°F 21°C
Overcast
Early-Evening
64°F 18°C
Cloudy
Pleasant near 70°F 21°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with lower humidity and barometric pressure falling. Winds picking up from NW at 3 mph 4 km/h to S at 13 mph 21 km/h.
Sunday, September 6, 2026
Mid-Morning
54°F 12°C
Cloudy
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
67°F 20°C
Overcast
Comfortable with temperatures reaching 74°F 23°C, cloudy in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds building from NE at 3 mph 4 km/h to S at 15 mph 23 km/h. Gusts up to 20 mph 33 km/h.
Monday, September 7, 2026
Mid-Morning
50°F 10°C
Light Showers
Mid-Afternoon
61°F 16°C
Overcast
Early-Evening
51°F 10°C
Nearby Thunderstorms
Comfortable at 61°F 16°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the SSW to the NW at 12 mph 20 km/h.
Tuesday, September 8, 2026
Mid-Morning
47°F 8°C
Sunny
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
61°F 16°C
Overcast
Cool with a high near 66°F 19°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling.
Wednesday, September 9, 2026
Mid-Morning
55°F 13°C
Overcast
Mid-Afternoon
71°F 22°C
Overcast
Early-Evening
60°F 16°C
Overcast
Mild with a high of 71°F 22°C, overcast throughout the day, with increasing humidity and steady pressure.
Thursday, September 10, 2026
Mid-Morning
54°F 12°C
Sunny
Mid-Afternoon
75°F 24°C
Overcast
Early-Evening
68°F 20°C
Overcast
Pleasant near 75°F 24°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds out of the W at 14 mph 22 km/h.
Friday, September 11, 2026
Mid-Morning
58°F 15°C
Sunny
Mid-Afternoon
61°F 16°C
Light Showers
Early-Evening
59°F 15°C
Scattered Showers
Comfortable at 61°F 16°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds shifting from the S to the ESE at 2 mph 3 km/h.
Saturday, September 12, 2026
Mid-Morning
58°F 14°C
Overcast
Mid-Afternoon
69°F 20°C
Overcast
Early-Evening
61°F 16°C
Overcast
Enjoyable around 69°F 20°C, overcast throughout the day, with lower humidity and steady pressure. Winds turning from the SSE to the SSW at 4 mph 7 km/h.
Sunday, September 13, 2026
Mid-Morning
55°F 13°C
Cloudy
Mid-Afternoon
63°F 17°C
Light Showers
Early-Evening
52°F 11°C
Overcast
Refreshing around 63°F 17°C, dry early, with showers developing in the afternoon, with increasing humidity and steady pressure.
Monday, September 14, 2026
Mid-Morning
50°F 10°C
Cloudy
Mid-Afternoon
70°F 21°C
Nearby Thunderstorms
Early-Evening
63°F 18°C
Overcast
Mild with a high of 70°F 21°C, periods of heavy thunderstorms, with lower humidity and barometric pressure falling. Winds switching from the NE to the S at 9 mph 15 km/h.
Tuesday, September 15, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
72°F 22°C
Overcast
Early-Evening
65°F 18°C
Overcast
Pleasant near 72°F 22°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling. Winds building from SSE at 3 mph 4 km/h to SE at 13 mph 21 km/h.
Wednesday, September 16, 2026
Mid-Morning
50°F 10°C
Light Showers
Mid-Afternoon
65°F 18°C
Partly Cloudy
Early-Evening
61°F 16°C
Scattered Showers
Cool with a high near 65°F 18°C, locally heavy downpours at times, with lower humidity and barometric pressure falling.
Thursday, September 17, 2026
Mid-Morning
56°F 13°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
66°F 19°C
Partly Cloudy
Enjoyable around 73°F 23°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds increasing from the ESE at 2 mph 3 km/h to SSW at 15 mph 24 km/h. Gusts up to 25 mph 40 km/h.
Friday, September 18, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
64°F 18°C
Sunny
Early-Evening
57°F 14°C
Sunny
Mildly cool near 64°F 18°C, sunny throughout the day, with lower humidity and steady pressure. Winds shifting from the SW to the WSW at 10 mph 16 km/h.
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