Weather in Marietta, MN
Updated 2026-08-11 11:15 local time · ZIP codes 56257
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
73°11% rain
78°6% rain82°4% rain84°3% rain84°3% rain84°3% rain84°3% rain84°3% rain82°4% rain79°5% rain
76°6% rain74°8% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 11%).
It feels like 77°F with winds near 7 mph.
78°F, 6% rain chance and 7 mph wind.
Visibility is around 10 mi; gusts may reach 15 mph.
Current temperature is 73°F, wind 7 mph, rain chance up to 11%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Marietta weather today
Overcast and 73°F in Marietta, MN. Today's high is 84°F with a 63% rain chance. Winds are around 7 mph with gusts near 8 mph. Relative humidity is 100%, pressure is 29.90 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Marietta
Sunrise is at 06:22 AM and sunset is at 08:38 PM. Tomorrow's forecast calls for Sunny with a high near 89°F and a low near 64°F. The maximum rain chance is 57%.