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Plan your week in Custer County with our detailed 7-Day Weather Forecast. Access reliable daily temperature highs and lows, rain chances, and weekly weather pattern summaries.

Custer County 7-Day Weather Forecast

Sunday, Oct 25, 2026

Nighttime
45°F

Overcast

Feels like 45°F

Humidity

79%

Wind Speed

5.8 mph

Precipitation

0 in

Pressure

1029 hPa

UV Index

0

Visibility

10 mi

Cloud Cover

100%

Dew Point

36°F

7-Day Weather Forecast

Today

Oct 25

Overcast
53°H
44°L
96%

Mon

Oct 26

Overcast
63°H
49°L
100%

Tue

Oct 27

Overcast
51°H
36°L
0%

Wed

Oct 28

Overcast
60°H
43°L
0%

Thu

Oct 29

Overcast
60°H
51°L
0%

Fri

Oct 30

Overcast
70°H
55°L
0%

Sat

Oct 31

Overcast
64°H
57°L
0%

24-Hour Forecast

6 AM

45°

0%

7 AM

45°

0%

8 AM

45°

0%

9 AM

44°

0%

10 AM

44°

0%

11 AM

45°

21%

12 PM

44°

9%

1 PM

44°

0%

2 PM

44°

0%

3 PM

47°

0%

4 PM

48°

0%

5 PM

51°

18%

6 PM

52°

12%

7 PM

52°

21%

8 PM

53°

57%

9 PM

53°

96%

10 PM

53°

93%

11 PM

53°

84%

12 AM

53°

69%

1 AM

53°

48%

2 AM

53°

27%

3 AM

54°

12%

4 AM

54°

45%

5 AM

53°

54%

Air Quality (AQI)

22Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5

2.6 µg/m³

PM10

2.8 µg/m³

Sun & Moon Phase

Sunrise

6:00 AM

Sunset

8:00 PM

Moon Phase

Waxing Gibbous

Waxing Gibbous

Wind Conditions & Storm Tracking

Wind Direction

28.9° NNE

Sustained Wind

5.8 mph

Wind Gusts

5.8 mph

7-Day Temp Range

Week's Hottest

70°F

Max Rain Prob

100%

Expected 7-Day Swings

36°
70°

High and low limits expected over the next week.

Extended Local Forecasts

14 Day Weather Forecast7 Day Weather ForecastHourly Weather Tracker

Location View

Custer County · 41.40°N, 99.62°W
Radar Page
Coordinates41.4034°N, 99.6176°W
Elevationm
TimezoneAmerica/New_York

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Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)22Good
UV Index0Low Risk
Visibility10 milesClear

Frequently Asked Questions

The 7-day forecast for Custer County includes comprehensive daily weather summaries, max/min temperatures, and expected rainfall to keep you prepared for the week.

About Custer County Climate & Weather

Weather forecast for Custer County is powered by high-resolution weather models using open-source infrastructure. Check current temperatures, rain radar graphs, hourly wind speeds, humidity values, and ultraviolet indexes directly from our weather tracking console.

Meteorological Data: Weather data for this area is aggregated from global and regional forecast models (GFS, HRRR, ERA5) and updated continuously every hour.