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Square Butte MT Weather - Mostly Clear - 60°F
Mostly Clear
60°F
Updated 2:19 am
Feels Like 54°F
Humidity 46%
Wind SW 13 mph
Barometer  29.99 in
Dew Point 39°F
Square Butte MT Weather - Mostly Clear - 15°C
Mostly Clear
15°C
Updated 2:19 am
Feels Like 12°C
Humidity 46%
Wind SW 21 km/h
Barometer  101.6 kPa
Dew Point 4°C
Square Butte, MT Weather and Current Conditionssquare butte mt weather forecast

Square Butte, MT Weather Forecast

Square Butte Montana WeatherSquare Butte, Montana Weather Weather Forecast
14 Day API Square Butte, MT Weather Forecast. Note: Our 7 day Square Butte, 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.
Square Butte, MT Weather Forecast Dated: 219 AM Thu Sep 10 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Thursday, September 10, 2026

Mid-Morning
Square Butte Weather - 2026-09-10 - Morning - Sunny
73°F 23°C
Sunny
Mid-Afternoon
Square Butte Weather - 2026-09-10 - Afternoon - Cloudy
84°F 29°C
Cloudy
Early-Evening
Square Butte Weather - 2026-09-10 - Evening - Cloudy
74°F 23°C
Cloudy
Warm and summery near 84°F 29°C, sunny in the morning, becoming overcast through the afternoon and evening, with increasing humidity and steady pressure. Winds easing from WSW 24 mph 38 km/h to WNW 14 mph 22 km/h. Gusts up to 20 mph 32 km/h.

Friday, September 11, 2026

Mid-Morning
Square Butte Weather - 2026-09-11 - Morning - Overcast
52°F 11°C
Overcast
Mid-Afternoon
Square Butte Weather - 2026-09-11 - Afternoon - Overcast
55°F 13°C
Overcast
Early-Evening
Square Butte Weather - 2026-09-11 - Evening - Scattered Showers
53°F 12°C
Scattered Showers
Cool and brisk at 55°F 13°C, scattered downpours possible, with steady humidity and barometric pressure rising. Winds switching from the NW to the NNW at 8 mph 13 km/h.

Saturday, September 12, 2026

Mid-Morning
Square Butte Weather - 2026-09-12 - Morning - Overcast
48°F 9°C
Overcast
Mid-Afternoon
Square Butte Weather - 2026-09-12 - Afternoon - Overcast
52°F 11°C
Overcast
Early-Evening
Square Butte Weather - 2026-09-12 - Evening - Overcast
51°F 11°C
Overcast
Chilly near 52°F 11°C, overcast throughout the day, with steady humidity and steady pressure. Winds moving from the E to the ENE at 11 mph 17 km/h.

Sunday, September 13, 2026

Mid-Morning
Square Butte Weather - 2026-09-13 - Morning - Rain
41°F 5°C
Rain
Mid-Afternoon
Square Butte Weather - 2026-09-13 - Afternoon - Heavy Snow
36°F 2°C
Heavy Snow
Early-Evening
Square Butte Weather - 2026-09-13 - Evening - Light Showers
39°F 4°C
Light Showers
Nippy around 36°F 2°C, rounds of showers expected off and on all day, with steady humidity and barometric pressure rising. Snow accumulation up to 2 in. up to 5 cm. Winds swinging from the ENE to the W at 5 mph 8 km/h.

Monday, September 14, 2026

Mid-Morning
Square Butte Weather - 2026-09-14 - Morning - Sunny
41°F 5°C
Sunny
Mid-Afternoon
Square Butte Weather - 2026-09-14 - Afternoon - Sunny
57°F 14°C
Sunny
Early-Evening
Square Butte Weather - 2026-09-14 - Evening - Cloudy
56°F 13°C
Cloudy
Brisk around 57°F 14°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and barometric pressure falling.

Tuesday, September 15, 2026

Mid-Morning
Square Butte Weather - 2026-09-15 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Square Butte Weather - 2026-09-15 - Afternoon - Partly Cloudy
59°F 15°C
Partly Cloudy
Early-Evening
Square Butte Weather - 2026-09-15 - Evening - Partly Cloudy
49°F 10°C
Partly Cloudy
Mildly cool near 59°F 15°C, sunny in the morning, partly cloudy in the afternoon, and cloudy this evening, with increasing humidity and barometric pressure rising. Winds building from NNW at 3 mph 5 km/h to NW at 12 mph 19 km/h.

Wednesday, September 16, 2026

Mid-Morning
Square Butte Weather - 2026-09-16 - Morning - Overcast
44°F 7°C
Overcast
Mid-Afternoon
Square Butte Weather - 2026-09-16 - Afternoon - Scattered Showers
42°F 6°C
Scattered Showers
Early-Evening
Square Butte Weather - 2026-09-16 - Evening - Overcast
41°F 5°C
Overcast
Nippy around 42°F 6°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure rising. Winds turning from the NNW to the N at 7 mph 11 km/h.

Thursday, September 17, 2026

Mid-Morning
Square Butte Weather - 2026-09-17 - Morning - Sunny
45°F 7°C
Sunny
Mid-Afternoon
Square Butte Weather - 2026-09-17 - Afternoon - Sunny
63°F 17°C
Sunny
Early-Evening
Square Butte Weather - 2026-09-17 - Evening - Sunny
57°F 14°C
Sunny
Cool with a high near 63°F 17°C, sunny throughout the day, with lower humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Square Butte Weather - 2026-09-18 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Square Butte Weather - 2026-09-18 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Square Butte Weather - 2026-09-18 - Evening - Sunny
67°F 20°C
Sunny
Mild temperatures up to 73°F 23°C, sunny throughout the day, with lower humidity and barometric pressure falling.

Saturday, September 19, 2026

Mid-Morning
Square Butte Weather - 2026-09-19 - Morning - Partly Cloudy
62°F 17°C
Partly Cloudy
Mid-Afternoon
Square Butte Weather - 2026-09-19 - Afternoon - Sunny
81°F 27°C
Sunny
Early-Evening
Square Butte Weather - 2026-09-19 - Evening - Partly Cloudy
73°F 23°C
Partly Cloudy
Very warm with a high of 81°F 27°C, partly cloudy in the morning, sunny in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the SSE to the WNW at 9 mph 14 km/h.

Sunday, September 20, 2026

Mid-Morning
Square Butte Weather - 2026-09-20 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
Square Butte Weather - 2026-09-20 - Afternoon - Sunny
67°F 19°C
Sunny
Early-Evening
Square Butte Weather - 2026-09-20 - Evening - Sunny
59°F 15°C
Sunny
Comfortable at 67°F 19°C, overcast in the morning, becoming sunny through the afternoon and evening, with increasing humidity and steady pressure. Winds blowing from the W at 23 mph 37 km/h. Gusts up to 20 mph 33 km/h.

Monday, September 21, 2026

Mid-Morning
Square Butte Weather - 2026-09-21 - Morning - Sunny
58°F 14°C
Sunny
Mid-Afternoon
Square Butte Weather - 2026-09-21 - Afternoon - Sunny
69°F 20°C
Sunny
Early-Evening
Square Butte Weather - 2026-09-21 - Evening - Sunny
64°F 18°C
Sunny
Comfortable with temperatures reaching 69°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the W to the S at 5 mph 9 km/h.

Tuesday, September 22, 2026

Mid-Morning
Square Butte Weather - 2026-09-22 - Morning - Partly Cloudy
59°F 15°C
Partly Cloudy
Mid-Afternoon
Square Butte Weather - 2026-09-22 - Afternoon - Overcast
77°F 25°C
Overcast
Early-Evening
Square Butte Weather - 2026-09-22 - Evening - Overcast
69°F 21°C
Overcast
Enjoyable around 77°F 25°C, partly cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.

Wednesday, September 23, 2026

Mid-Morning
Square Butte Weather - 2026-09-23 - Morning - Partly Cloudy
61°F 16°C
Partly Cloudy
Mid-Afternoon
Square Butte Weather - 2026-09-23 - Afternoon - Sunny
77°F 25°C
Sunny
Early-Evening
Square Butte Weather - 2026-09-23 - Evening - Sunny
72°F 22°C
Sunny
Mild temperatures up to 77°F 25°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling.

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Weather by the Numbers

Thu, 10th
Square Butte MT Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 84°F 29°C
Lo: 62°F 17°C
Sunrise 06:52 AM
Sunset 07:43 PM
Wind W 23 mph37 km/h
Dew Point 29°F-1°C
uv Index 5
Barometric Pressure 29.68 in1005 mb
POP 1% *
Humidity 15%
Fri, 11th
Square Butte MT Weather - Friday, Sep 11, 2026 - Overcast
Hi: 61°F 16°C
Lo: 49°F 10°C
Sunrise 06:53 AM
Sunset 07:41 PM
Wind NNW 11 mph18 km/h
Dew Point 40°F5°C
uv Index 1
Barometric Pressure 29.94 in1014 mb
POP 14% *
Humidity 59%
Sat, 12th
Square Butte MT Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 52°F 11°C
Lo: 48°F 9°C
Sunrise 06:55 AM
Sunset 07:39 PM
Wind E 9 mph15 km/h
Dew Point 38°F4°C
uv Index 1
Barometric Pressure 30.06 in1018 mb
POP 16% *
Humidity 63%
Sun, 13th
Square Butte MT Weather - Sunday, Sep 13, 2026 - Heavy Rain
Hi: 50°F 10°C
Lo: 36°F 2°C
Sunrise 06:56 AM
Sunset 07:37 PM
Wind NNE 4 mph6 km/h
Dew Point 39°F4°C
uv Index 1
Barometric Pressure 30.12 in1020 mb
POP 93% *
Humidity 96%
Mon, 14th
Square Butte MT Weather - Monday, Sep 14, 2026 - Sunny
Hi: 60°F 16°C
Lo: 37°F 3°C
Sunrise 06:57 AM
Sunset 07:35 PM
Wind S 6 mph9 km/h
Dew Point 37°F3°C
uv Index 4
Barometric Pressure 30 in1016 mb
POP 3% *
Humidity 58%
Tue, 15th
Square Butte MT Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 60°F 16°C
Lo: 45°F 7°C
Sunrise 06:59 AM
Sunset 07:33 PM
Wind WNW 8 mph13 km/h
Dew Point 40°F4°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 2% *
Humidity 47%
Wed, 16th
Square Butte MT Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 45°F 7°C
Lo: 40°F 5°C
Sunrise 07:00 AM
Sunset 07:31 PM
Wind NW 10 mph15 km/h
Dew Point 39°F4°C
uv Index 2
Barometric Pressure 30.3 in1026 mb
POP 25% *
Humidity 82%
Thu, 17th
Square Butte MT Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 63°F 17°C
Lo: 41°F 5°C
Sunrise 07:01 AM
Sunset 07:29 PM
Wind NE 4 mph7 km/h
Dew Point 40°F5°C
uv Index 4
Barometric Pressure 30.27 in1025 mb
POP 3% *
Humidity 58%
Fri, 18th
Square Butte MT Weather - Friday, Sep 18, 2026 - Sunny
Hi: 73°F 23°C
Lo: 50°F 10°C
Sunrise 07:03 AM
Sunset 07:27 PM
Wind ESE 6 mph10 km/h
Dew Point 43°F6°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 1% *
Humidity 43%
Sat, 19th
Square Butte MT Weather - Saturday, Sep 19, 2026 - Cloudy
Hi: 81°F 27°C
Lo: 56°F 13°C
Sunrise 07:04 AM
Sunset 07:25 PM
Wind ESE 6 mph9 km/h
Dew Point 44°F7°C
uv Index 5
Barometric Pressure 29.8 in1009 mb
POP 7% *
Humidity 35%
Sun, 20th
Square Butte MT Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 67°F 19°C
Lo: 54°F 12°C
Sunrise 07:05 AM
Sunset 07:23 PM
Wind W 24 mph39 km/h
Dew Point 28°F-2°C
uv Index 4
Barometric Pressure 29.77 in1008 mb
POP 9% *
Humidity 24%
Mon, 21st
Square Butte MT Weather - Monday, Sep 21, 2026 - Sunny
Hi: 69°F 20°C
Lo: 51°F 11°C
Sunrise 07:07 AM
Sunset 07:21 PM
Wind WNW 14 mph22 km/h
Dew Point 38°F4°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 37%
Tue, 22nd
Square Butte MT Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 77°F 25°C
Lo: 53°F 12°C
Sunrise 07:08 AM
Sunset 07:19 PM
Wind ENE 2 mph3 km/h
Dew Point 35°F2°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 29%
Wed, 23rd
Square Butte MT Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 77°F 25°C
Lo: 57°F 14°C
Sunrise 07:10 AM
Sunset 07:17 PM
Wind ESE 5 mph8 km/h
Dew Point 37°F3°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 29%
* POP = Probability of Precipitation. Data for 12:00 PM.