Custer, SD Weather Forecast
Local 7-day forecast
Mostly Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Custer, SD in one place.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87.
Local Weather Overview
This forecast page for Custer, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 6:27 PM MDT.
The active forecast window currently covers Jul 17 to Jul 20, 2026 for Custer, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 6:27 PM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Custer
Saturday looks like the warmest upcoming period in Custer at 90 degrees F.
Monday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Friday at about 2 to 8 mph NE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 6:27 PM MDT
- Coverage
- 5 days
- Time zone
- America/Denver
- Forecast office
- UNR
- Radar station
- KUDX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 63.
Mostly sunny, with a high near 90.
Partly cloudy, with a low around 64.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.
A chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms. Partly cloudy, with a low around 61.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 82.
A chance of showers and thunderstorms. Partly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
87°F |
2 to 8 mph
NE
|
|
Friday Night
Jul 17
|
Mostly Clear
|
63°F |
2 to 6 mph
NE
|
|
Saturday
Jul 18
|
Mostly Sunny
|
90°F |
2 to 8 mph
E
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
64°F |
2 to 7 mph
NE
|
|
Sunday
Jul 19
|
Mostly Sunny then Chance Showers And Thunderstorms
|
88°F |
3 to 7 mph
N
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
61°F |
6 mph
N
|
|
Monday
Jul 20
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
82°F |
3 to 7 mph
NE
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
57°F |
2 to 7 mph
NE
|
Nearby Forecasts
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