Ortonville, MN Weather & Growing Conditions
Today
72°F
Mostly Sunny
Mostly sunny, with a high near 72. Northwest wind 6 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Mostly Sunny | 6 to 9 mph NW | 0% |
| Tonight | 52°F | Mostly Clear | 5 mph WSW | 0% |
| Wednesday | 77°F | Sunny | 5 to 9 mph SW | 0% |
| Wednesday Night | 59°F | Partly Cloudy | 3 to 10 mph SSW | 2% |
| Thursday | 82°F | Sunny | 10 to 14 mph SW | 2% |
| Thursday Night | 62°F | Mostly Clear | 8 mph SSW | 6% |
| Friday | 83°F | Sunny | 9 mph SSW | 9% |
| Friday Night | 61°F | Mostly Clear | 6 mph SSE | 9% |
| Saturday | 82°F | Sunny | 3 to 10 mph SE | 12% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms | 9 mph E | 28% |
| Sunday | 81°F | Chance Showers And Thunderstorms then Mostly Sunny | 8 mph NE | 26% |
| Sunday Night | 62°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 7 mph ENE | 24% |
| Monday | 79°F | Slight Chance Showers And Thunderstorms | 9 mph NE | 24% |
| Monday Night | 60°F | Slight Chance Showers And Thunderstorms | 8 mph NE | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ortonville, MN
Last spring frost
May 1
First fall frost
Oct 8
Growing season
159 days
Hardiness zone
4b
Explore more for Ortonville, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Artichoke Lake 1 E, Mn (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.