Custer Weather Today — South Dakota, United States
Current temperature, rain chance, humidity, wind and air quality in Custer, plus an hourly and 3-day forecast. Updated through the day.
04:10
Sat, 19 Sep 2026
📍 South Dakota, United States
Custer??
18
°C
Moderate or heavy rain shower
Feels 19°C · 65°F
💧 98% Humidity
💨 → 10.4 km/h ESE
👁 7 km Visibility
🌧 2.68 mm Precip
☁ 67% Cloud
☀️ UV Low
🌿 AQI Good
☀️ UV Index
0
Low
🔵 Pressure
1016
hPa · 29.99 in
💨 Wind
10.4
km/h · Gust 28.1 km/h
→ ESE
💧 Humidity
98%
Dew point 18°C
👁 Visibility
7
km · 4 miles
🌡 Heat Index
18.4°
Wind chill 18.4°C
🌿 Air Quality
Good
US EPA Index: 1
🌅
Sunrise
06:30 AM
🌇
Sunset
06:47 PM
📅 3-Day Forecast
Saturday
19 Sep 2026
Sunny
34°
/
22°
💧69%
🌧3.64mm
💨16
☀️UV 7.3
Sunday
20 Sep 2026
Overcast
34°
/
22°
💧66%
🌧0.47mm
💨18
☀️UV 6.5
Monday
21 Sep 2026
Partly Cloudy
34°
/
21°
💧61%
🌧2.02mm
💨17
☀️UV 7.1
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