Need precision hour-by-hour weather for Union County? Our Hourly Weather Tracker provides real-time hourly temperature shifts, wind speeds, humidity levels, and exact rain probability curves.
Union County Hourly Weather Tracker
Friday, Oct 23, 2026
Nighttime
64°F
Sunny / Clear
Feels like 64°F
Humidity
65%
Wind Speed
13 mph
Precipitation
0 in
Pressure
1018 hPa
UV Index
0
Visibility
10 mi
Cloud Cover
5%
Dew Point
55°F
Detailed 48-Hour Tracker
Air Quality (AQI)
Air quality sensors are offline for this coordinate.
Sun & Moon Phase
Sunrise
6:00 AM
Sunset
8:00 PM
Moon Phase
Waxing Gibbous
7-Day Overview
Extended Local Forecasts
Location View
Union County · 42.79°N, 96.64°W
Coordinates42.7929°N, 96.6375°W
Elevationm
TimezoneAmerica/New_York
Nearby Cities in South Dakota
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Safety & Environmental Index
| Metric | Value | Status / Interpretation |
|---|---|---|
| Air Quality (AQI) | N/A | Offline |
| UV Index | 0 | Low Risk |
| Visibility | 10 miles | Clear |
Frequently Asked Questions
Our hourly forecast provides hour-by-hour updates on temperature, wind speed, and rain probability in Union County to help you plan your day with precision.
About Union County Climate & Weather
Weather forecast for Union 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.