St. Marie, MT 14 Day Weather - 59231 WeatherWorld.com
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St. Marie, MT Weather Forecast


St. Marie, MT Weather Forecast Dated: 248 PM Wed Sep 09 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.
Wednesday, September 9, 2026
Mid-Morning
55°F 13°C
Cloudy
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
68°F 20°C
Sunny
Pleasant near 71°F 22°C, cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds turning from the W to the SSW at 6 mph 9 km/h.
Thursday, September 10, 2026
Mid-Morning
65°F 18°C
Sunny
Mid-Afternoon
80°F 27°C
Sunny
Early-Evening
72°F 22°C
Sunny
Balmy with temperatures reaching 80°F 27°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the SW to the NE at 11 mph 17 km/h.
Friday, September 11, 2026
Mid-Morning
51°F 11°C
Rain
Mid-Afternoon
61°F 16°C
Cloudy
Early-Evening
55°F 13°C
Overcast
Comfortable at 61°F 16°C, morning showers, giving way to clearing skies, with lower humidity and barometric pressure rising. Winds moving from the NW to the NNW at 13 mph 22 km/h. Gusts up to 21 mph 34 km/h.
Saturday, September 12, 2026
Mid-Morning
48°F 9°C
Overcast
Mid-Afternoon
56°F 13°C
Overcast
Early-Evening
54°F 12°C
Overcast
Crisp with a high near 56°F 13°C, overcast throughout the day, with lower humidity and steady pressure. Winds swinging from the NNW to the ENE at 7 mph 10 km/h.
Sunday, September 13, 2026
Mid-Morning
48°F 9°C
Drizzle
Mid-Afternoon
45°F 7°C
Light Rain
Early-Evening
42°F 5°C
Drizzle
Brisk around 45°F 7°C, persistent showers off and on through the day, with increasing humidity and steady pressure. Winds shifting from the ENE to the NNE at 19 mph 30 km/h. Gusts up to 27 mph 44 km/h.
Monday, September 14, 2026
Mid-Morning
44°F 7°C
Scattered Showers
Mid-Afternoon
53°F 12°C
Sunny
Early-Evening
52°F 11°C
Sunny
Cool and brisk at 53°F 12°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds turning from the NNW to the S at 6 mph 9 km/h.
Tuesday, September 15, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
63°F 17°C
Overcast
Early-Evening
60°F 16°C
Overcast
Comfortable at 63°F 17°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure.
Wednesday, September 16, 2026
Mid-Morning
55°F 13°C
Partly Cloudy
Mid-Afternoon
65°F 18°C
Overcast
Early-Evening
61°F 16°C
Overcast
Cool with a high near 65°F 18°C, partly cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and steady pressure. Winds switching from the NE to the ENE at 11 mph 16 km/h.
Thursday, September 17, 2026
Mid-Morning
57°F 14°C
Sunny
Mid-Afternoon
72°F 22°C
Sunny
Early-Evening
69°F 21°C
Sunny
Mild temperatures up to 72°F 22°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds tapering down from SE 14 mph 22 km/h to SE 6 mph 9 km/h.
Friday, September 18, 2026
Mid-Morning
67°F 19°C
Sunny
Mid-Afternoon
74°F 23°C
Sunny
Early-Evening
67°F 19°C
Sunny
Mild with a high of 74°F 23°C, sunny through the afternoon, turning cloudy this evening, with lower humidity and steady pressure. Winds swinging from the NW to the N at 9 mph 14 km/h.
Saturday, September 19, 2026
Mid-Morning
60°F 16°C
Overcast
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
67°F 19°C
Scattered Showers
Pleasant near 73°F 23°C, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the SE to the E at 9 mph 14 km/h.
Sunday, September 20, 2026
Mid-Morning
60°F 16°C
Scattered Showers
Mid-Afternoon
62°F 16°C
Light Showers
Early-Evening
58°F 15°C
Light Showers
Cool with a high near 62°F 16°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds turning from the ESE to the NE at 11 mph 17 km/h.
Monday, September 21, 2026
Mid-Morning
57°F 14°C
Cloudy
Mid-Afternoon
67°F 19°C
Scattered Showers
Early-Evening
64°F 18°C
Sunny
Refreshing around 67°F 19°C, periods of heavy rain and gusty conditions, with lower humidity and barometric pressure falling. Winds S at 14 mph 22 km/h. Gusts up to 21 mph 34 km/h.
Tuesday, September 22, 2026
Mid-Morning
60°F 15°C
Sunny
Mid-Afternoon
73°F 23°C
Sunny
Early-Evening
67°F 19°C
Sunny
Mild temperatures up to 73°F 23°C, sunny throughout the day, with lower humidity and steady pressure. Winds easing from NW 15 mph 25 km/h to ENE 7 mph 10 km/h.
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