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Custer MT Weather - Clear - 77°F
Clear
77°F
Updated 7:05 pm
Feels Like 67°F
Humidity 17%
Wind WNW 12 mph
Barometer  30.07 in
Dew Point 30°F
Custer MT Weather - Clear - 25°C
Clear
25°C
Updated 7:05 pm
Feels Like 20°C
Humidity 17%
Wind WNW 19 km/h
Barometer  101.8 kPa
Dew Point -1°C
Custer, MT Weather and Current Conditionscuster mt weather forecast

Custer, MT Weather Forecast

Custer Montana WeatherCuster, Montana Weather Weather Forecast
14 day API weather forecast for Custer, Montana. Note: The 7-day weather forecast for Custer, MT is the most reliable and accurate weather forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days ahead.
Custer, MT Weather Forecast Dated: 705 PM Wed Sep 09 2026
Expect a mild stretch with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Wednesday, September 9, 2026

Mid-Morning
Custer Weather - 2026-09-09 - Morning - Sunny
58°F 14°C
Sunny
Mid-Afternoon
Custer Weather - 2026-09-09 - Afternoon - Overcast
79°F 26°C
Overcast
Early-Evening
Custer Weather - 2026-09-09 - Evening - Sunny
73°F 23°C
Sunny
Pleasant near 79°F 26°C, sunny in the morning, overcast in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds turning from the SW to the NE at 9 mph 14 km/h.

Thursday, September 10, 2026

Mid-Morning
Custer Weather - 2026-09-10 - Morning - Overcast
70°F 21°C
Overcast
Mid-Afternoon
Custer Weather - 2026-09-10 - Afternoon - Sunny
90°F 32°C
Sunny
Early-Evening
Custer Weather - 2026-09-10 - Evening - Sunny
83°F 28°C
Sunny
Hot and sweltering around 90°F 32°C, overcast in the morning, becoming sunny through the afternoon and evening, with steady humidity and barometric pressure falling. Winds switching from the WSW to the N at 10 mph 16 km/h.

Friday, September 11, 2026

Mid-Morning
Custer Weather - 2026-09-11 - Morning - Partly Cloudy
61°F 16°C
Partly Cloudy
Mid-Afternoon
Custer Weather - 2026-09-11 - Afternoon - Overcast
55°F 13°C
Overcast
Early-Evening
Custer Weather - 2026-09-11 - Evening - Scattered Showers
58°F 14°C
Scattered Showers
Chilly near 55°F 13°C, locally heavy downpours at times, with steady humidity and barometric pressure rising. Winds decreasing from N 20 mph 33 km/h to N 9 mph 14 km/h.

Saturday, September 12, 2026

Mid-Morning
Custer Weather - 2026-09-12 - Morning - Overcast
52°F 11°C
Overcast
Mid-Afternoon
Custer Weather - 2026-09-12 - Afternoon - Overcast
57°F 14°C
Overcast
Early-Evening
Custer Weather - 2026-09-12 - Evening - Overcast
56°F 13°C
Overcast
Crisp with a high near 57°F 14°C, overcast throughout the day, with steady humidity and steady pressure. Winds out of the ENE at 12 mph 19 km/h. Gusts up to 22 mph 35 km/h.

Sunday, September 13, 2026

Mid-Morning
Custer Weather - 2026-09-13 - Morning - Scattered Showers
54°F 12°C
Scattered Showers
Mid-Afternoon
Custer Weather - 2026-09-13 - Afternoon - Rain Showers
58°F 14°C
Rain Showers
Early-Evening
Custer Weather - 2026-09-13 - Evening - Overcast
50°F 10°C
Overcast
Refreshing around 58°F 14°C, scattered downpours possible, with steady humidity and barometric pressure rising. Winds shifting from the E to the NNW at 18 mph 30 km/h. Gusts up to 23 mph 37 km/h.

Monday, September 14, 2026

Mid-Morning
Custer Weather - 2026-09-14 - Morning - Sunny
46°F 8°C
Sunny
Mid-Afternoon
Custer Weather - 2026-09-14 - Afternoon - Sunny
64°F 18°C
Sunny
Early-Evening
Custer Weather - 2026-09-14 - Evening - Sunny
60°F 16°C
Sunny
Mildly cool near 64°F 18°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the WNW to the E at 9 mph 14 km/h.

Tuesday, September 15, 2026

Mid-Morning
Custer Weather - 2026-09-15 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Custer Weather - 2026-09-15 - Afternoon - Cloudy
72°F 22°C
Cloudy
Early-Evening
Custer Weather - 2026-09-15 - Evening - Overcast
66°F 19°C
Overcast
Comfortable with temperatures reaching 72°F 22°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds switching from the ENE to the NNE at 14 mph 22 km/h. Gusts up to 25 mph 40 km/h.

Wednesday, September 16, 2026

Mid-Morning
Custer Weather - 2026-09-16 - Morning - Partly Cloudy
58°F 14°C
Partly Cloudy
Mid-Afternoon
Custer Weather - 2026-09-16 - Afternoon - Overcast
64°F 18°C
Overcast
Early-Evening
Custer Weather - 2026-09-16 - Evening - Overcast
65°F 19°C
Overcast
Cool with a high near 64°F 18°C, cloudy in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the NNE to the SE at 8 mph 13 km/h.

Thursday, September 17, 2026

Mid-Morning
Custer Weather - 2026-09-17 - Morning - Partly Cloudy
60°F 16°C
Partly Cloudy
Mid-Afternoon
Custer Weather - 2026-09-17 - Afternoon - Overcast
78°F 26°C
Overcast
Early-Evening
Custer Weather - 2026-09-17 - Evening - Overcast
76°F 25°C
Overcast
Mild temperatures up to 78°F 26°C, cloudy in the morning, overcast in the afternoon, and cloudy this evening, with lower humidity and barometric pressure falling. Winds swinging from the E to the NNE at 9 mph 14 km/h.

Friday, September 18, 2026

Mid-Morning
Custer Weather - 2026-09-18 - Morning - Sunny
69°F 20°C
Sunny
Mid-Afternoon
Custer Weather - 2026-09-18 - Afternoon - Overcast
82°F 28°C
Overcast
Early-Evening
Custer Weather - 2026-09-18 - Evening - Overcast
74°F 24°C
Overcast
Very warm with a high of 82°F 28°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds shifting from the NW to the NE at 9 mph 15 km/h.

Saturday, September 19, 2026

Mid-Morning
Custer Weather - 2026-09-19 - Morning - Overcast
68°F 20°C
Overcast
Mid-Afternoon
Custer Weather - 2026-09-19 - Afternoon - Partly Cloudy
84°F 29°C
Partly Cloudy
Early-Evening
Custer Weather - 2026-09-19 - Evening - Scattered Showers
75°F 24°C
Scattered Showers
Warm and summery near 84°F 29°C, scattered downpours possible, with increasing humidity and steady pressure. Winds turning from the E to the NW at 8 mph 14 km/h.

Sunday, September 20, 2026

Mid-Morning
Custer Weather - 2026-09-20 - Morning - Light Showers
61°F 16°C
Light Showers
Mid-Afternoon
Custer Weather - 2026-09-20 - Afternoon - Nearby Thunderstorms
67°F 20°C
Nearby Thunderstorms
Early-Evening
Custer Weather - 2026-09-20 - Evening - Scattered Showers
62°F 17°C
Scattered Showers
Cool with a high near 67°F 20°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds switching from the NW to the WNW at 10 mph 17 km/h.

Monday, September 21, 2026

Mid-Morning
Custer Weather - 2026-09-21 - Morning - Sunny
58°F 15°C
Sunny
Mid-Afternoon
Custer Weather - 2026-09-21 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Custer Weather - 2026-09-21 - Evening - Sunny
68°F 20°C
Sunny
Enjoyable around 72°F 22°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds moving from the WSW to the ESE at 8 mph 14 km/h.

Tuesday, September 22, 2026

Mid-Morning
Custer Weather - 2026-09-22 - Morning - Sunny
68°F 20°C
Sunny
Mid-Afternoon
Custer Weather - 2026-09-22 - Afternoon - Sunny
80°F 26°C
Sunny
Early-Evening
Custer Weather - 2026-09-22 - Evening - Sunny
72°F 22°C
Sunny
Warm temperatures up to 80°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds swinging from the W to the E at 8 mph 13 km/h.

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Weather by the Numbers

Wed, 9th
Custer MT Weather - Wednesday, Sep 9, 2026 - Sunny
Hi: 81°F 27°C
Lo: 49°F 9°C
Sunrise 06:40 AM
Sunset 07:33 PM
Wind WSW 15 mph23 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 0% *
Humidity 26%
Thu, 10th
Custer MT Weather - Thursday, Sep 10, 2026 - Sunny
Hi: 91°F 33°C
Lo: 61°F 16°C
Sunrise 06:42 AM
Sunset 07:31 PM
Wind W 19 mph30 km/h
Dew Point 30°F-1°C
uv Index 6
Barometric Pressure 29.74 in1007 mb
POP 0% *
Humidity 14%
Fri, 11th
Custer MT Weather - Friday, Sep 11, 2026 - Overcast
Hi: 70°F 21°C
Lo: 54°F 12°C
Sunrise 06:43 AM
Sunset 07:29 PM
Wind N 17 mph27 km/h
Dew Point 46°F8°C
uv Index 2
Barometric Pressure 29.88 in1012 mb
POP 14% *
Humidity 59%
Sat, 12th
Custer MT Weather - Saturday, Sep 12, 2026 - Overcast
Hi: 58°F 14°C
Lo: 50°F 10°C
Sunrise 06:44 AM
Sunset 07:27 PM
Wind E 10 mph16 km/h
Dew Point 37°F3°C
uv Index 4
Barometric Pressure 30.09 in1019 mb
POP 12% *
Humidity 51%
Sun, 13th
Custer MT Weather - Sunday, Sep 13, 2026 - Light Rain Shower
Hi: 58°F 14°C
Lo: 42°F 5°C
Sunrise 06:46 AM
Sunset 07:25 PM
Wind SSW 2 mph4 km/h
Dew Point 49°F10°C
uv Index 3
Barometric Pressure 29.77 in1008 mb
POP 75% *
Humidity 82%
Mon, 14th
Custer MT Weather - Monday, Sep 14, 2026 - Sunny
Hi: 65°F 18°C
Lo: 42°F 5°C
Sunrise 06:47 AM
Sunset 07:23 PM
Wind W 6 mph9 km/h
Dew Point 34°F1°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 1% *
Humidity 43%
Tue, 15th
Custer MT Weather - Tuesday, Sep 15, 2026 - Sunny
Hi: 72°F 22°C
Lo: 48°F 9°C
Sunrise 06:48 AM
Sunset 07:21 PM
Wind ENE 8 mph12 km/h
Dew Point 36°F2°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 33%
Wed, 16th
Custer MT Weather - Wednesday, Sep 16, 2026 - Overcast
Hi: 67°F 20°C
Lo: 52°F 11°C
Sunrise 06:49 AM
Sunset 07:19 PM
Wind ENE 11 mph18 km/h
Dew Point 45°F7°C
uv Index 4
Barometric Pressure 30.15 in1021 mb
POP 12% *
Humidity 49%
Thu, 17th
Custer MT Weather - Thursday, Sep 17, 2026 - Sunny
Hi: 80°F 27°C
Lo: 54°F 12°C
Sunrise 06:51 AM
Sunset 07:17 PM
Wind WSW 1 mph2 km/h
Dew Point 52°F11°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 2% *
Humidity 52%
Fri, 18th
Custer MT Weather - Friday, Sep 18, 2026 - Overcast
Hi: 82°F 28°C
Lo: 62°F 17°C
Sunrise 06:52 AM
Sunset 07:15 PM
Wind NNW 9 mph14 km/h
Dew Point 46°F8°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 9% *
Humidity 30%
Sat, 19th
Custer MT Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 84°F 29°C
Lo: 65°F 19°C
Sunrise 06:53 AM
Sunset 07:13 PM
Wind SSE 5 mph8 km/h
Dew Point 42°F6°C
uv Index 5
Barometric Pressure 29.8 in1009 mb
POP 9% *
Humidity 29%
Sun, 20th
Custer MT Weather - Sunday, Sep 20, 2026 - Partly Cloudy
Hi: 68°F 20°C
Lo: 58°F 14°C
Sunrise 06:54 AM
Sunset 07:11 PM
Wind NNW 19 mph30 km/h
Dew Point 45°F7°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 3% *
Humidity 43%
Mon, 21st
Custer MT Weather - Monday, Sep 21, 2026 - Sunny
Hi: 73°F 23°C
Lo: 53°F 12°C
Sunrise 06:56 AM
Sunset 07:09 PM
Wind SSE 1 mph2 km/h
Dew Point 45°F7°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 45%
Tue, 22nd
Custer MT Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 80°F 26°C
Lo: 58°F 15°C
Sunrise 06:57 AM
Sunset 07:07 PM
Wind NNW 17 mph27 km/h
Dew Point 35°F2°C
uv Index 7
Barometric Pressure 29.97 in1015 mb
POP 0% *
Humidity 21%
* POP = Probability of Precipitation. Data for 12:00 PM.