Weather in Union, MS
Updated 2026-09-26 10:00 local time · ZIP codes 39365
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
78°3% rain
82°4% rain
84°10% rain85°9% rain86°10% rain86°10% rain86°10% rain84°10% rain82°12% rain
78°13% rain77°13% rain77°13% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 13%).
It feels like 80°F with winds near 2 mph.
78°F, 3% rain chance and 2 mph wind.
Visibility is around 6 mi; gusts may reach 7 mph.
Current temperature is 78°F, wind 2 mph, rain chance up to 13%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Union
Mississippi has a humid subtropical climate with long hot summers, mild winters, frequent heavy rain and a notable severe-weather season.
Union is part of the South weather region. The forecast point is near 32.57°N latitude and 89.12°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Union weather today
Sunny and 78°F in Union, MS. Today's high is 86°F with a 10% rain chance. Winds are around 2 mph with gusts near 3 mph. Relative humidity is 55%, pressure is 30.06 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Union
Sunrise is at 06:47 AM and sunset is at 06:48 PM. Tomorrow's forecast calls for Sunny with a high near 88°F and a low near 67°F. The maximum rain chance is 4%.