Sumatra, MT 14 Day Weather - 59083 WeatherWorld.com
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Sumatra, MT Weather Forecast


Sumatra, MT Weather Forecast Dated: 513 AM Mon Sep 07 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. comfortable humidity and no major pressure swings will dominate.
Monday, September 7, 2026
Mid-Morning
62°F 17°C
Rain Showers
Mid-Afternoon
77°F 25°C
Scattered Showers
Early-Evening
69°F 21°C
Scattered Showers
Pleasant near 77°F 25°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds out of the SW at 12 mph 19 km/h. Gusts up to 25 mph 40 km/h.
Tuesday, September 8, 2026
Mid-Morning
62°F 16°C
Sunny
Mid-Afternoon
73°F 23°C
Nearby Thunderstorms
Early-Evening
64°F 18°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, locally heavy thunderstorms at times, with steady humidity and steady pressure. Winds switching from the WNW to the NW at 21 mph 34 km/h. Gusts up to 28 mph 45 km/h.
Wednesday, September 9, 2026
Mid-Morning
62°F 17°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
71°F 22°C
Sunny
Enjoyable around 77°F 25°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds moving from the WSW to the ENE at 10 mph 17 km/h.
Thursday, September 10, 2026
Mid-Morning
68°F 20°C
Overcast
Mid-Afternoon
90°F 32°C
Partly Cloudy
Early-Evening
81°F 27°C
Overcast
Hot temperatures near 90°F 32°C, overcast in the morning, becoming cloudy through the afternoon and evening, with steady humidity and barometric pressure falling. Winds swinging from the WSW to the N at 16 mph 25 km/h. Gusts up to 25 mph 39 km/h.
Friday, September 11, 2026
Mid-Morning
58°F 14°C
Scattered Showers
Mid-Afternoon
55°F 13°C
Cloudy
Early-Evening
54°F 12°C
Cloudy
Brisk around 55°F 13°C, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the N to the NNW at 14 mph 22 km/h.
Saturday, September 12, 2026
Mid-Morning
48°F 9°C
Light Showers
Mid-Afternoon
54°F 12°C
Scattered Showers
Early-Evening
56°F 13°C
Overcast
Cool and brisk at 54°F 12°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds turning from the N to the SW at 5 mph 8 km/h.
Sunday, September 13, 2026
Mid-Morning
53°F 11°C
Sunny
Mid-Afternoon
66°F 19°C
Sunny
Early-Evening
64°F 18°C
Sunny
Comfortable at 66°F 19°C, sunny throughout the day, with lower humidity and steady pressure. Winds switching from the W to the E at 5 mph 8 km/h.
Monday, September 14, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
75°F 24°C
Sunny
Enjoyable around 78°F 26°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds moving from the SE to the SSE at 8 mph 13 km/h.
Tuesday, September 15, 2026
Mid-Morning
71°F 22°C
Sunny
Mid-Afternoon
86°F 30°C
Sunny
Early-Evening
79°F 26°C
Sunny
Warm temperatures up to 86°F 30°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the SW to the ENE at 9 mph 14 km/h.
Wednesday, September 16, 2026
Mid-Morning
66°F 19°C
Partly Cloudy
Mid-Afternoon
78°F 26°C
Sunny
Early-Evening
75°F 23°C
Partly Cloudy
Mild with a high of 78°F 26°C, cloudy in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds out of the ENE at 13 mph 21 km/h. Gusts up to 22 mph 35 km/h.
Thursday, September 17, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
84°F 29°C
Overcast
Early-Evening
79°F 26°C
Sunny
Warm and summery near 84°F 29°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and barometric pressure falling. Winds blowing from the WSW at 12 mph 20 km/h.
Friday, September 18, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
66°F 19°C
Overcast
Early-Evening
62°F 17°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 steady pressure. Winds switching from the NNW to the NNE at 13 mph 21 km/h. Gusts up to 20 mph 32 km/h.
Saturday, September 19, 2026
Mid-Morning
48°F 9°C
Overcast
Mid-Afternoon
58°F 14°C
Sunny
Early-Evening
57°F 14°C
Sunny
Refreshing around 58°F 14°C, overcast in the morning, sunny in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds moving from the NE to the ESE at 14 mph 22 km/h.
Sunday, September 20, 2026
Mid-Morning
59°F 15°C
Partly Cloudy
Mid-Afternoon
86°F 30°C
Overcast
Early-Evening
76°F 25°C
Partly Cloudy
Warm temperatures up to 86°F 30°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds swinging from the SSW to the SE at 11 mph 18 km/h.
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