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Custer SD Weather - Clear - 37°F
Clear
37°F
Updated 8:07 pm
Feels Like 36°F
Humidity 51%
Wind WSW 6 mph
Barometer  30.48 in
Dew Point 21°F
Custer SD Weather - Clear - 3°C
Clear
3°C
Updated 8:07 pm
Feels Like 2°C
Humidity 51%
Wind WSW 10 km/h
Barometer  103.2 kPa
Dew Point -6°C
Custer, SD Weather and Current Conditionscuster sd weather forecast

Custer, SD Weather Forecast

Custer South Dakota WeatherCuster, South Dakota Weather Weather Forecast
14 day API weather forecast for Custer, South Dakota. Note: The 7-day weather forecast for Custer, SD 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, SD Weather Forecast Dated: 807 PM Fri Oct 16 2026
Expect a cool pattern with plenty of sunshine and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Friday, October 16, 2026

Mid-Morning
Custer Weather - 2026-10-16 - Morning - Sunny
35°F 2°C
Sunny
Mid-Afternoon
Custer Weather - 2026-10-16 - Afternoon - Sunny
51°F 10°C
Sunny
Early-Evening
Custer Weather - 2026-10-16 - Evening - Sunny
43°F 6°C
Sunny
Brisk around 51°F 10°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds turning from the SW to the W at 9 mph 15 km/h. Gusts up to 24 mph 38 km/h.

Saturday, October 17, 2026

Mid-Morning
Custer Weather - 2026-10-17 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Custer Weather - 2026-10-17 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Custer Weather - 2026-10-17 - Evening - Partly Cloudy
58°F 14°C
Partly Cloudy
Comfortable with temperatures reaching 72°F 22°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the WNW to the W at 10 mph 15 km/h. Gusts up to 21 mph 34 km/h.

Sunday, October 18, 2026

Mid-Morning
Custer Weather - 2026-10-18 - Morning - Sunny
53°F 12°C
Sunny
Mid-Afternoon
Custer Weather - 2026-10-18 - Afternoon - Sunny
60°F 16°C
Sunny
Early-Evening
Custer Weather - 2026-10-18 - Evening - Sunny
50°F 10°C
Sunny
Comfortable at 60°F 16°C, sunny throughout the day, with increasing humidity and barometric pressure rising. Winds NE at 12 mph 19 km/h.

Monday, October 19, 2026

Mid-Morning
Custer Weather - 2026-10-19 - Morning - Sunny
47°F 8°C
Sunny
Mid-Afternoon
Custer Weather - 2026-10-19 - Afternoon - Sunny
57°F 14°C
Sunny
Early-Evening
Custer Weather - 2026-10-19 - Evening - Sunny
47°F 9°C
Sunny
Crisp with a high near 57°F 14°C, sunny throughout the day, with steady humidity and barometric pressure falling.

Tuesday, October 20, 2026

Mid-Morning
Custer Weather - 2026-10-20 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Custer Weather - 2026-10-20 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Custer Weather - 2026-10-20 - Evening - Sunny
57°F 14°C
Sunny
Mild with a high of 68°F 20°C, sunny throughout the day, with increasing humidity and steady pressure. Winds swinging from the SW to the WSW at 5 mph 8 km/h.

Wednesday, October 21, 2026

Mid-Morning
Custer Weather - 2026-10-21 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Custer Weather - 2026-10-21 - Afternoon - Sunny
68°F 20°C
Sunny
Early-Evening
Custer Weather - 2026-10-21 - Evening - Sunny
59°F 15°C
Sunny
Pleasant near 68°F 20°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the W to the WNW at 6 mph 10 km/h.

Thursday, October 22, 2026

Mid-Morning
Custer Weather - 2026-10-22 - Morning - Overcast
55°F 13°C
Overcast
Mid-Afternoon
Custer Weather - 2026-10-22 - Afternoon - Overcast
60°F 15°C
Overcast
Early-Evening
Custer Weather - 2026-10-22 - Evening - Scattered Showers
55°F 13°C
Scattered Showers
Comfortable at 60°F 15°C, periods of heavy rain and gusty conditions, with increasing humidity and barometric pressure falling. Winds turning from the NE to the NNE at 8 mph 13 km/h.

Friday, October 23, 2026

Mid-Morning
Custer Weather - 2026-10-23 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Custer Weather - 2026-10-23 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Custer Weather - 2026-10-23 - Evening - Clear
42°F 6°C
Clear
Cool with a high near 61°F 16°C, sunny throughout the day, with increasing humidity and barometric pressure rising. Winds easing from SW 21 mph 33 km/h to WNW 13 mph 20 km/h. Gusts up to 33 mph 53 km/h.

Saturday, October 24, 2026

Mid-Morning
Custer Weather - 2026-10-24 - Morning - Sunny
39°F 4°C
Sunny
Mid-Afternoon
Custer Weather - 2026-10-24 - Afternoon - Overcast
45°F 7°C
Overcast
Early-Evening
Custer Weather - 2026-10-24 - Evening - Heavy Snow
35°F 2°C
Heavy Snow
Brisk around 45°F 7°C, dry most of the day, with snow developing late, with increasing humidity and steady pressure.

Sunday, October 25, 2026

Mid-Morning
Custer Weather - 2026-10-25 - Morning - Overcast
32°F 0°C
Overcast
Mid-Afternoon
Custer Weather - 2026-10-25 - Afternoon - Overcast
43°F 6°C
Overcast
Early-Evening
Custer Weather - 2026-10-25 - Evening - Cloudy
33°F 0°C
Cloudy
Nippy around 43°F 6°C, overcast through the afternoon, turning cloudy this evening, with steady humidity and steady pressure.

Monday, October 26, 2026

Mid-Morning
Custer Weather - 2026-10-26 - Morning - Sunny
37°F 3°C
Sunny
Mid-Afternoon
Custer Weather - 2026-10-26 - Afternoon - Sunny
50°F 10°C
Sunny
Early-Evening
Custer Weather - 2026-10-26 - Evening - Clear
41°F 5°C
Clear
Chilly near 50°F 10°C, sunny throughout the day, with increasing humidity and barometric pressure falling. Winds moving from the SW to the WSW at 5 mph 9 km/h.

Tuesday, October 27, 2026

Mid-Morning
Custer Weather - 2026-10-27 - Morning - Overcast
42°F 6°C
Overcast
Mid-Afternoon
Custer Weather - 2026-10-27 - Afternoon - Scattered Showers
50°F 10°C
Scattered Showers
Early-Evening
Custer Weather - 2026-10-27 - Evening - Overcast
48°F 9°C
Overcast
Crisp with a high near 50°F 10°C, locally heavy downpours at times, with steady humidity and barometric pressure falling. Winds swinging from the SSW to the SE at 8 mph 14 km/h. Gusts up to 22 mph 35 km/h.

Wednesday, October 28, 2026

Mid-Morning
Custer Weather - 2026-10-28 - Morning - Sunny
45°F 7°C
Sunny
Mid-Afternoon
Custer Weather - 2026-10-28 - Afternoon - Sunny
54°F 12°C
Sunny
Early-Evening
Custer Weather - 2026-10-28 - Evening - Clear
47°F 8°C
Clear
Brisk around 54°F 12°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the SW to the WSW at 26 mph 41 km/h. Gusts up to 42 mph 68 km/h.

Thursday, October 29, 2026

Mid-Morning
Custer Weather - 2026-10-29 - Morning - Partly Cloudy
43°F 6°C
Partly Cloudy
Mid-Afternoon
Custer Weather - 2026-10-29 - Afternoon - Sunny
51°F 11°C
Sunny
Early-Evening
Custer Weather - 2026-10-29 - Evening - Overcast
42°F 5°C
Overcast
Cool and brisk at 51°F 11°C, partly cloudy in the morning, sunny in the afternoon, and overcast this evening, with steady humidity and barometric pressure rising. Winds tapering down from WNW 21 mph 34 km/h to NW 7 mph 11 km/h.

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Weather by the Numbers

Fri, 16th
Custer SD Weather - Friday, Oct 16, 2026 - Sunny
Hi: 51°F 11°C
Lo: 27°F -3°C
Sunrise 07:10 AM
Sunset 06:09 PM
Wind SW 9 mph14 km/h
Dew Point 11°F-12°C
uv Index 3
Barometric Pressure 30.53 in1034 mb
POP 0% *
Humidity 23%
Sat, 17th
Custer SD Weather - Saturday, Oct 17, 2026 - Sunny
Hi: 74°F 23°C
Lo: 47°F 8°C
Sunrise 07:12 AM
Sunset 06:07 PM
Wind W 10 mph15 km/h
Dew Point 18°F-8°C
uv Index 6
Barometric Pressure 29.94 in1014 mb
POP 0% *
Humidity 13%
Sun, 18th
Custer SD Weather - Sunday, Oct 18, 2026 - Sunny
Hi: 61°F 16°C
Lo: 46°F 8°C
Sunrise 07:13 AM
Sunset 06:06 PM
Wind NNE 12 mph19 km/h
Dew Point 27°F-3°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 28%
Mon, 19th
Custer SD Weather - Monday, Oct 19, 2026 - Sunny
Hi: 57°F 14°C
Lo: 41°F 5°C
Sunrise 07:14 AM
Sunset 06:04 PM
Wind SE 6 mph10 km/h
Dew Point 26°F-3°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 32%
Tue, 20th
Custer SD Weather - Tuesday, Oct 20, 2026 - Sunny
Hi: 69°F 20°C
Lo: 47°F 8°C
Sunrise 07:15 AM
Sunset 06:03 PM
Wind SW 10 mph16 km/h
Dew Point 35°F2°C
uv Index 5
Barometric Pressure 29.83 in1010 mb
POP 1% *
Humidity 30%
Wed, 21st
Custer SD Weather - Wednesday, Oct 21, 2026 - Sunny
Hi: 68°F 20°C
Lo: 53°F 11°C
Sunrise 07:17 AM
Sunset 06:01 PM
Wind WSW 15 mph24 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 29.85 in1011 mb
POP 2% *
Humidity 33%
Thu, 22nd
Custer SD Weather - Thursday, Oct 22, 2026 - Overcast
Hi: 61°F 16°C
Lo: 52°F 11°C
Sunrise 07:18 AM
Sunset 05:59 PM
Wind E 8 mph13 km/h
Dew Point 39°F4°C
uv Index 4
Barometric Pressure 29.88 in1012 mb
POP 11% *
Humidity 44%
Fri, 23rd
Custer SD Weather - Friday, Oct 23, 2026 - Sunny
Hi: 61°F 16°C
Lo: 38°F 3°C
Sunrise 07:19 AM
Sunset 05:58 PM
Wind WSW 22 mph36 km/h
Dew Point 34°F1°C
uv Index 4
Barometric Pressure 29.56 in1001 mb
POP 1% *
Humidity 42%
Sat, 24th
Custer SD Weather - Saturday, Oct 24, 2026 - Overcast
Hi: 47°F 8°C
Lo: 33°F 0°C
Sunrise 07:21 AM
Sunset 05:56 PM
Wind ESE 3 mph5 km/h
Dew Point 27°F-3°C
uv Index 2
Barometric Pressure 30.12 in1020 mb
POP 11% *
Humidity 46%
Sun, 25th
Custer SD Weather - Sunday, Oct 25, 2026 - Overcast
Hi: 43°F 6°C
Lo: 29°F -1°C
Sunrise 07:22 AM
Sunset 05:55 PM
Wind SSW 4 mph6 km/h
Dew Point 25°F-4°C
uv Index 1
Barometric Pressure 30.33 in1027 mb
POP 14% *
Humidity 57%
Mon, 26th
Custer SD Weather - Monday, Oct 26, 2026 - Sunny
Hi: 50°F 10°C
Lo: 29°F -2°C
Sunrise 07:23 AM
Sunset 05:54 PM
Wind SSW 8 mph12 km/h
Dew Point 27°F-3°C
uv Index 3
Barometric Pressure 30.24 in1024 mb
POP 2% *
Humidity 46%
Tue, 27th
Custer SD Weather - Tuesday, Oct 27, 2026 - Overcast
Hi: 50°F 10°C
Lo: 40°F 4°C
Sunrise 07:24 AM
Sunset 05:52 PM
Wind S 11 mph17 km/h
Dew Point 39°F4°C
uv Index 2
Barometric Pressure 29.85 in1011 mb
POP 16% *
Humidity 67%
Wed, 28th
Custer SD Weather - Wednesday, Oct 28, 2026 - Sunny
Hi: 54°F 12°C
Lo: 44°F 7°C
Sunrise 07:26 AM
Sunset 05:51 PM
Wind WSW 26 mph42 km/h
Dew Point 17°F-9°C
uv Index 4
Barometric Pressure 29.56 in1001 mb
POP 0% *
Humidity 23%
Thu, 29th
Custer SD Weather - Thursday, Oct 29, 2026 - Partly Cloudy
Hi: 51°F 11°C
Lo: 39°F 4°C
Sunrise 07:27 AM
Sunset 05:49 PM
Wind WNW 18 mph28 km/h
Dew Point 28°F-2°C
uv Index 3
Barometric Pressure 29.94 in1014 mb
POP 3% *
Humidity 47%
* POP = Probability of Precipitation. Data for 12:00 PM.