New York, NY 31° 🌤️ Los Angeles, CA Chicago, IL 26° 🌤️ Houston, TX Miami, FL 32° Phoenix, AZ 27° 🌤️ Seattle, WA 🌤️ Denver, CO 🌤️ Toronto, ON Vancouver, BC 19°
WeatherLiveSouth DakotaCuster

Custer, SD Weather

Current WeatherCuster · 11:07 AM MDT
30° | 17°
29°C
Feels like 27°
Sunny
WindW 3 mph · Gusts 10 mph
Precip1% · –
Humidity16% · Dew point 1°
UV index8 Very high
Air Quality60 Moderate
Pressure29.97 inHg
Visibility6 mi
Sunrise / Sunset6:04 AM · 7:51 PM · 13h 47m

Weather map — Custer

Full radar →
Now
29°
0%
3 mph
12:00
30°
0%
0 mph
13:00
30°
0%
5 mph
14:00
30°
0%
9 mph
15:00
29°
0%
9 mph
16:00
29°
0%
9 mph
17:00
28°
0%
9 mph
18:00
27°
0%
10 mph
19:00
24°
1%
7 mph
20:00
21°
1%
4 mph
21:00
20°
1%
3 mph
22:00
20°
1%
1 mph
23:00
20°
1%
3 mph
00:00
19°
1%
2 mph
01:00
19°
1%
2 mph
02:00
19°
1%
2 mph
03:00
18°
1%
4 mph
04:00
19°
1%
4 mph
05:00
19°
9%
4 mph
06:00
19°
2%
4 mph
07:00
20°
2%
3 mph
08:00
23°
5%
2 mph
09:00
27°
9%
2 mph
10:00
29°
2%
5 mph

Today · Thu 8/20

High 30°
1% / –

Sunny. Winds E at 10 mph.

Tonight · Thu 8/20

Low 18°
1% / –

Sunny. Winds NE at 3 mph.

Tomorrow · Fri 8/21

33° | 18°
3% / –

Sunny. Winds SE at 13 mph.

7-day trend

Custer · temperature + precipitation

10-day forecast

Updated 11:07 AM

Details & indices

Wind
3 mph W
Gusts 10 mph
Humidity
16%
Dew point 1°
Pressure
29.97 inHg
Rising
UV index
8 — Very high
High today
Air Quality
Moderate
AQI 60 · US EPA
Allergy
Very high
Grass
Visibility
6 mi
Clear view
Allergy — Custer

🌿 Conditions right now

View all →
Birch
None
Grass
Very high
Oak
None
Alder
None
Hazel
None
Mugwort
High
Ragweed
Moderate

Sun & moon

Sunrise6:04 AM
Sunset7:51 PM
Length of day13h 47m
Moonrise3:06 PM
Moonset11:29 PM
Next full moonAug 27 Sturgeon Moon
Latitude43.7666°N
Longitude-103.5988°E

Water temps nearby

View all →
No beaches within 50 miles
🌤️No rain expected in the next 90 minutes
Now+30+60+90 min
Minute-by-minute precip · HRRR nowcast

Daily planner

computed from today's forecast
Laundry day
Great
Line-drying weather
Grilling
Great
Fire up the grill
Running
Fair
Lace up outside
Patio
Great
Dinner outdoors
Nearby places in {{REGION}}
🌤️
Sioux Falls
Data sources · Thursday, August 20
Where the Custer forecast comes from
This page blends NOAA/NWS model guidance with global ensembles for the 10-day outlook, air quality and alerts. Data refreshes every hour, current conditions every 15 minutes. Coordinates: 43.7666°N, -103.5988°.
NBM + global weather models
Updated: 11:07 AM
ZIP codes in Custer
📮
57730
Custer
📮
57738
Custer
📮
57745
Custer
📮
57773
Custer
Weather in Custer
Custer's outlook: warmest day near 33° (Friday), coldest night about 11° (Wednesday). Roughly 0.33 in of rain falls over the period, with Sunday the most likely wet day (59%). The NWS alert board for this area is currently clear. Right now Custer is running about 67° warmer than Rapid City. Longer view: mountain climate — intense sun, cool nights and snow well beyond 'winter'.
Custer, SD · Elev 5,315 ft · 43.77°N, 103.60°W · South Dakota · Forecast computed for these exact coordinates
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 11:07 AM