Riverton, MN Weather & Growing Conditions
This Afternoon
54°F
Light Rain Likely
Rain likely and patchy fog. Cloudy, with a high near 54. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 54°F | Light Rain Likely | 15 mph N | 69% |
| Tonight | 47°F | Rain | 10 to 15 mph N | 85% |
| Wednesday | 50°F | Rain | 15 mph N | 89% |
| Wednesday Night | 37°F | Light Rain | 15 mph N | 87% |
| Thursday | 43°F | Mostly Cloudy | 10 to 15 mph N | 7% |
| Thursday Night | 27°F | Mostly Cloudy | 0 to 10 mph NE | 0% |
| Friday | 42°F | Mostly Sunny | 0 to 5 mph SE | 0% |
| Friday Night | 27°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Saturday | 50°F | Mostly Sunny | 5 to 10 mph SW | 4% |
| Saturday Night | 32°F | Partly Cloudy | 5 mph W | 12% |
| Sunday | 52°F | Mostly Sunny | 5 to 10 mph W | 9% |
| Sunday Night | 33°F | Partly Cloudy | 5 mph SW | 0% |
| Monday | 54°F | Mostly Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 34°F | Mostly Clear | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Riverton, MN
Last spring frost
May 13
First fall frost
Sep 27
Growing season
138 days
Hardiness zone
4a
Explore more for Riverton, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Brainerd Crow Wing Co Ap, Mn (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.