Weather in Marietta, MN
Updated 2026-09-26 11:00 local time · ZIP codes 56257

Patchy rain nearby
No government weather alerts were returned for this location at the latest update.
Next hours
58°34% rain
59°32% rain
60°61% rain
60°32% rain
61°32% rain
62°30% rain
63°28% rain
62°35% rain
60°32% rain
60°33% rain
60°38% rain
60°37% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 61% over the next 12 hours.
It feels like 54°F with winds near 11 mph.
63°F, 28% rain chance and 9 mph wind.
Visibility is around 6 mi; gusts may reach 25 mph.
Current temperature is 58°F, wind 11 mph, rain chance up to 61%.
UV index is 0.
Local weather characteristics in Marietta
Minnesota has a strongly continental climate with warm summers, very cold winters and large seasonal temperature swings. Thunderstorms are common in the warm season.
Marietta is part of the Midwest weather region. The forecast point is near 45.01°N latitude and 96.42°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
Patchy rain nearby and 58°F in Marietta, MN. Today's high is 63°F with a 92% rain chance. Winds are around 11 mph with gusts near 25 mph. Relative humidity is 95%, pressure is 29.95 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Marietta
Sunrise is at 07:17 AM and sunset is at 07:16 PM. Tomorrow's forecast calls for Fog with a high near 69°F and a low near 59°F. The maximum rain chance is 40%.