Weather in Marietta, MS
Updated 2026-09-26 11:00 local time · ZIP codes 38856
Partly Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
79°4% rain
82°8% rain
83°5% rain85°9% rain86°9% rain85°5% rain84°9% rain80°8% rain
74°9% rain73°9% rain72°9% rain71°9% 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 9%).
It feels like 75°F with winds near 5 mph.
73°F, 9% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 18 mph.
Current temperature is 79°F, wind 5 mph, rain chance up to 9%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Marietta
Mississippi has a humid subtropical climate with long hot summers, mild winters, frequent heavy rain and a notable severe-weather season.
Marietta is part of the South weather region. The forecast point is near 34.50°N latitude and 88.47°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.
Marietta weather today
Partly Cloudy and 79°F in Marietta, MS. Today's high is 86°F with a 7% rain chance. Winds are around 5 mph with gusts near 5 mph. Relative humidity is 33%, pressure is 30.06 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Marietta
Sunrise is at 06:44 AM and sunset is at 06:45 PM. Tomorrow's forecast calls for Overcast with a high near 84°F and a low near 64°F. The maximum rain chance is 5%.