Skip to main content
Planning ahead in Custer County? Our extended 14-Day Weather Forecast provides comprehensive 2-week predictions, including daily temperature highs/lows, precipitation probabilities, and long-term atmospheric trend outlooks.

Custer County 14-Day Weather Forecast

Friday, Oct 23, 2026

Nighttime
63°F

Mainly Clear

Feels like 63°F

Humidity

56%

Wind Speed

4.9 mph

Precipitation

0 in

Pressure

1009 hPa

UV Index

0

Visibility

10 mi

Cloud Cover

26%

Dew Point

54°F

14-Day Extended Weather Forecast

Today

Oct 23

Mainly Clear
78°H
56°L
0%

Sat

Oct 24

Mainly Clear
63°H
34°L
9%

Sun

Oct 25

Mainly Clear
49°H
36°L
0%

Mon

Oct 26

Mainly Clear
48°H
39°L
0%

Tue

Oct 27

Mainly Clear
42°H
33°L
0%

Wed

Oct 28

Mainly Clear
43°H
33°L
0%

Thu

Oct 29

Mainly Clear
34°H
23°L
0%

Fri

Oct 30

Mainly Clear
36°H
21°L
0%

Sat

Oct 31

Mainly Clear
35°H
27°L
0%

Sun

Nov 1

Mainly Clear
28°H
25°L
0%

Air Quality (AQI)

27Good

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

PM2.5

2.2 µg/m³

PM10

2.6 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

88.5° E

Sustained Wind

4.9 mph

Wind Gusts

4.9 mph

14-Day Temp Range

Expected 14-Day Swings

21°
78°

High and low limits expected over the next two weeks.

Location View

Custer County · 46.37°N, 105.63°W
Radar Page
Coordinates46.3678°N, 105.6271°W
Elevationm
TimezoneAmerica/New_York

More weather updates in Montana

Explore all weather stations, radar maps, and localized forecasts.

Explore All Montana Stations

Safety & Environmental Index

MetricValueStatus / Interpretation
Air Quality (AQI)27Good
UV Index0Low Risk
Visibility10 milesClear

Frequently Asked Questions

Our 14-day forecast for Custer County shows detailed long-term predictions, including daily high and low temperatures, precipitation chances, and overall weather patterns.

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.