Riverton, MN Weather & Growing Conditions
Today
74°F
Sunny
Sunny. High near 74, with temperatures falling to around 72 in the afternoon. West wind around 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Sunny | 10 mph W | 0% |
| Tonight | 49°F | Mostly Clear | 0 to 10 mph W | 0% |
| Wednesday | 78°F | Sunny | 0 to 15 mph SW | 1% |
| Wednesday Night | 57°F | Mostly Clear | 5 to 10 mph SW | 1% |
| Thursday | 84°F | Sunny | 10 to 15 mph SW | 4% |
| Thursday Night | 62°F | Mostly Clear | 10 mph SW | 10% |
| Friday | 86°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 16% |
| Friday Night | 59°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph W | 22% |
| Saturday | 83°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph SW | 17% |
| Saturday Night | 59°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 10 mph NE | 32% |
| Sunday | 80°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 21% |
| Sunday Night | 59°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 16% |
| Monday | 80°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 18% |
| Monday Night | 58°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 16% |
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 Aug 4, 2026.