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St. Marie MT Weather - Clear - 74°F
Clear
74°F
Updated 2:48 pm
Feels Like 67°F
Humidity 35%
Wind WSW 12 mph
Barometer  30.07 in
Dew Point 45°F
St. Marie MT Weather - Clear - 23°C
Clear
23°C
Updated 2:48 pm
Feels Like 19°C
Humidity 35%
Wind WSW 19 km/h
Barometer  101.8 kPa
Dew Point 7°C
St. Marie, MT Weather and Current Conditionsst. marie mt weather forecast

St. Marie, MT Weather Forecast

St. Marie Montana WeatherSt. Marie, Montana Weather Weather Forecast
14 Day API St. Marie, MT Weather Forecast. Note: Our 7 day St. Marie, Montana weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
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
St. Marie Weather - 2026-09-09 - Morning - Cloudy
55°F 13°C
Cloudy
Mid-Afternoon
St. Marie Weather - 2026-09-09 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
St. Marie Weather - 2026-09-09 - Evening - Sunny
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
St. Marie Weather - 2026-09-10 - Morning - Sunny
65°F 18°C
Sunny
Mid-Afternoon
St. Marie Weather - 2026-09-10 - Afternoon - Sunny
80°F 27°C
Sunny
Early-Evening
St. Marie Weather - 2026-09-10 - Evening - Sunny
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
St. Marie Weather - 2026-09-11 - Morning - Rain
51°F 11°C
Rain
Mid-Afternoon
St. Marie Weather - 2026-09-11 - Afternoon - Cloudy
61°F 16°C
Cloudy
Early-Evening
St. Marie Weather - 2026-09-11 - Evening - Overcast
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
St. Marie Weather - 2026-09-12 - Morning - Overcast
48°F 9°C
Overcast
Mid-Afternoon
St. Marie Weather - 2026-09-12 - Afternoon - Overcast
56°F 13°C
Overcast
Early-Evening
St. Marie Weather - 2026-09-12 - Evening - Overcast
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
St. Marie Weather - 2026-09-13 - Morning - Drizzle
48°F 9°C
Drizzle
Mid-Afternoon
St. Marie Weather - 2026-09-13 - Afternoon - Light Rain
45°F 7°C
Light Rain
Early-Evening
St. Marie Weather - 2026-09-13 - Evening - Drizzle
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
St. Marie Weather - 2026-09-14 - Morning - Scattered Showers
44°F 7°C
Scattered Showers
Mid-Afternoon
St. Marie Weather - 2026-09-14 - Afternoon - Sunny
53°F 12°C
Sunny
Early-Evening
St. Marie Weather - 2026-09-14 - Evening - Sunny
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
St. Marie Weather - 2026-09-15 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
St. Marie Weather - 2026-09-15 - Afternoon - Overcast
63°F 17°C
Overcast
Early-Evening
St. Marie Weather - 2026-09-15 - Evening - Overcast
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
St. Marie Weather - 2026-09-16 - Morning - Partly Cloudy
55°F 13°C
Partly Cloudy
Mid-Afternoon
St. Marie Weather - 2026-09-16 - Afternoon - Overcast
65°F 18°C
Overcast
Early-Evening
St. Marie Weather - 2026-09-16 - Evening - Overcast
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
St. Marie Weather - 2026-09-17 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
St. Marie Weather - 2026-09-17 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
St. Marie Weather - 2026-09-17 - Evening - Sunny
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
St. Marie Weather - 2026-09-18 - Morning - Sunny
67°F 19°C
Sunny
Mid-Afternoon
St. Marie Weather - 2026-09-18 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
St. Marie Weather - 2026-09-18 - Evening - Sunny
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
St. Marie Weather - 2026-09-19 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
St. Marie Weather - 2026-09-19 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
St. Marie Weather - 2026-09-19 - Evening - Scattered Showers
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
St. Marie Weather - 2026-09-20 - Morning - Scattered Showers
60°F 16°C
Scattered Showers
Mid-Afternoon
St. Marie Weather - 2026-09-20 - Afternoon - Light Showers
62°F 16°C
Light Showers
Early-Evening
St. Marie Weather - 2026-09-20 - Evening - Light Showers
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
St. Marie Weather - 2026-09-21 - Morning - Cloudy
57°F 14°C
Cloudy
Mid-Afternoon
St. Marie Weather - 2026-09-21 - Afternoon - Scattered Showers
67°F 19°C
Scattered Showers
Early-Evening
St. Marie Weather - 2026-09-21 - Evening - Sunny
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
St. Marie Weather - 2026-09-22 - Morning - Sunny
60°F 15°C
Sunny
Mid-Afternoon
St. Marie Weather - 2026-09-22 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
St. Marie Weather - 2026-09-22 - Evening - Sunny
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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Weather by the Numbers

Wed, 9th
St. Marie MT Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 73°F 23°C
Lo: 49°F 9°C
Sunrise 06:35 AM
Sunset 07:31 PM
Wind W 14 mph23 km/h
Dew Point 50°F10°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 3% *
Humidity 55%
Thu, 10th
St. Marie MT Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 80°F 27°C
Lo: 58°F 14°C
Sunrise 06:36 AM
Sunset 07:29 PM
Wind W 19 mph30 km/h
Dew Point 38°F3°C
uv Index 5
Barometric Pressure 29.65 in1004 mb
POP 1% *
Humidity 26%
Fri, 11th
St. Marie MT Weather - Friday, Sep 11, 2026 - Patchy Rain Nearby
Hi: 64°F 18°C
Lo: 50°F 10°C
Sunrise 06:38 AM
Sunset 07:27 PM
Wind NW 15 mph24 km/h
Dew Point 44°F7°C
uv Index 4
Barometric Pressure 29.85 in1011 mb
POP 15% *
Humidity 60%
Sat, 12th
St. Marie MT Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 56°F 14°C
Lo: 46°F 8°C
Sunrise 06:39 AM
Sunset 07:25 PM
Wind NNW 9 mph14 km/h
Dew Point 35°F2°C
uv Index 2
Barometric Pressure 30.09 in1019 mb
POP 12% *
Humidity 51%
Sun, 13th
St. Marie MT Weather - Sunday, Sep 13, 2026 - Moderate Rain
Hi: 51°F 10°C
Lo: 40°F 4°C
Sunrise 06:40 AM
Sunset 07:23 PM
Wind ENE 18 mph30 km/h
Dew Point 40°F4°C
uv Index 2
Barometric Pressure 30 in1016 mb
POP 81% *
Humidity 82%
Mon, 14th
St. Marie MT Weather - Monday, Sep 14, 2026 - Cloudy
Hi: 54°F 12°C
Lo: 39°F 4°C
Sunrise 06:42 AM
Sunset 07:21 PM
Wind WNW 7 mph12 km/h
Dew Point 36°F2°C
uv Index 2
Barometric Pressure 30.09 in1019 mb
POP 13% *
Humidity 61%
Tue, 15th
St. Marie MT Weather - Tuesday, Sep 15, 2026 - Partly Cloudy
Hi: 63°F 17°C
Lo: 44°F 7°C
Sunrise 06:43 AM
Sunset 07:19 PM
Wind SSE 5 mph9 km/h
Dew Point 37°F3°C
uv Index 4
Barometric Pressure 30.09 in1019 mb
POP 3% *
Humidity 45%
Wed, 16th
St. Marie MT Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 65°F 18°C
Lo: 53°F 11°C
Sunrise 06:45 AM
Sunset 07:16 PM
Wind ENE 13 mph20 km/h
Dew Point 39°F4°C
uv Index 4
Barometric Pressure 30.24 in1024 mb
POP 10% *
Humidity 43%
Thu, 17th
St. Marie MT Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 72°F 22°C
Lo: 52°F 11°C
Sunrise 06:46 AM
Sunset 07:14 PM
Wind SSE 14 mph22 km/h
Dew Point 54°F12°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 6% *
Humidity 66%
Fri, 18th
St. Marie MT Weather - Friday, Sep 18, 2026 - Sunny
Hi: 74°F 23°C
Lo: 60°F 16°C
Sunrise 06:47 AM
Sunset 07:12 PM
Wind WNW 13 mph21 km/h
Dew Point 45°F7°C
uv Index 6
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 37%
Sat, 19th
St. Marie MT Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 73°F 23°C
Lo: 58°F 14°C
Sunrise 06:49 AM
Sunset 07:10 PM
Wind SE 11 mph17 km/h
Dew Point 36°F2°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 9% *
Humidity 30%
Sun, 20th
St. Marie MT Weather - Sunday, Sep 20, 2026 - Light Rain Shower
Hi: 62°F 16°C
Lo: 56°F 13°C
Sunrise 06:50 AM
Sunset 07:08 PM
Wind NNE 2 mph3 km/h
Dew Point 52°F11°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 51% *
Humidity 71%
Mon, 21st
St. Marie MT Weather - Monday, Sep 21, 2026 - Patchy Rain Nearby
Hi: 67°F 19°C
Lo: 53°F 12°C
Sunrise 06:52 AM
Sunset 07:06 PM
Wind SSE 11 mph18 km/h
Dew Point 51°F11°C
uv Index 4
Barometric Pressure 30.15 in1021 mb
POP 12% *
Humidity 66%
Tue, 22nd
St. Marie MT Weather - Tuesday, Sep 22, 2026 - Partly Cloudy
Hi: 73°F 23°C
Lo: 53°F 12°C
Sunrise 06:53 AM
Sunset 07:04 PM
Wind N 17 mph28 km/h
Dew Point 43°F6°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 2% *
Humidity 37%
* POP = Probability of Precipitation. Data for 12:00 PM.