Riverton, MN Weather & Growing Conditions
Overnight
52°F
Slight Chance Rain Showers
A slight chance of rain showers before 5am, then patchy fog. Cloudy. Low around 52, with temperatures rising to around 54 overnight. East wind around 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Slight Chance Rain Showers | 5 mph E | 17% |
| Saturday | 65°F | Patchy Fog then Cloudy | 5 to 10 mph NE | 11% |
| Saturday Night | 50°F | Mostly Cloudy | 5 mph NE | 1% |
| Sunday | 64°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Sunday Night | 42°F | Mostly Cloudy | 5 to 10 mph E | 0% |
| Monday | 62°F | Mostly Sunny | 5 to 10 mph E | 1% |
| Monday Night | 41°F | Mostly Clear | 5 mph E | 2% |
| Tuesday | 64°F | Sunny | 5 to 10 mph SE | 2% |
| Tuesday Night | 41°F | Mostly Clear | 5 mph SE | 1% |
| Wednesday | 65°F | Sunny | 5 to 10 mph SE | 0% |
| Wednesday Night | 45°F | Partly Cloudy | 5 mph SE | 8% |
| Thursday | 67°F | Mostly Sunny | 5 to 10 mph SE | 8% |
| Thursday Night | 47°F | Partly Cloudy | 0 to 5 mph SE | 7% |
| Friday | 70°F | Mostly Sunny | 5 to 10 mph SE | 4% |
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 Sep 19, 2026.