Weather in Port Gibson, MS
Updated 2026-09-26 11:00 local time · ZIP codes 39150
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
84°11% rain87°10% rain89°10% rain89°9% rain91°9% rain88°9% rain87°10% rain83°11% rain
79°12% rain77°12% rain76°12% rain75°12% 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 12%).
It feels like 84°F with winds near 3 mph.
77°F, 12% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 13 mph.
Current temperature is 84°F, wind 3 mph, rain chance up to 12%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Port Gibson
Mississippi has a humid subtropical climate with long hot summers, mild winters, frequent heavy rain and a notable severe-weather season.
Port Gibson is part of the South weather region. The forecast point is near 31.96°N latitude and 90.98°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.
Port Gibson weather today
Overcast and 84°F in Port Gibson, MS. Today's high is 91°F with a 12% rain chance. Winds are around 3 mph with gusts near 4 mph. Relative humidity is 46%, pressure is 30.05 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Port Gibson
Sunrise is at 06:54 AM and sunset is at 06:55 PM. Tomorrow's forecast calls for Sunny with a high near 94°F and a low near 68°F. The maximum rain chance is 2%.