Oronoco, MN Weather & Growing Conditions
Overnight
56°F
Showers And Thunderstorms
Showers and thunderstorms before 3am, then a chance of showers and thunderstorms between 3am and 4am, then a chance of showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 56. East wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Showers And Thunderstorms | 10 to 14 mph E | 75% |
| Saturday | 64°F | Chance Showers And Thunderstorms | 9 mph NE | 37% |
| Saturday Night | 53°F | Slight Chance Rain Showers then Cloudy | 12 mph N | 23% |
| Sunday | 66°F | Partly Sunny | 12 to 15 mph NE | 1% |
| Sunday Night | 46°F | Mostly Cloudy | 8 to 12 mph NE | 3% |
| Monday | 62°F | Mostly Cloudy | 9 mph E | 13% |
| Monday Night | 42°F | Mostly Cloudy | 3 to 8 mph E | 9% |
| Tuesday | 61°F | Mostly Sunny | 3 to 8 mph E | 5% |
| Tuesday Night | 41°F | Mostly Clear | 2 to 6 mph E | 1% |
| Wednesday | 65°F | Sunny | 2 to 6 mph E | 1% |
| Wednesday Night | 45°F | Mostly Clear | 5 mph SE | 6% |
| Thursday | 66°F | Mostly Sunny | 5 mph SE | 8% |
| Thursday Night | 49°F | Partly Cloudy | 3 mph SE | 4% |
| Friday | 69°F | Mostly Sunny | 2 to 6 mph SE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Oronoco, MN
Last spring frost
May 12
First fall frost
Sep 28
Growing season
139 days
Hardiness zone
4b
Explore more for Oronoco, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Byron 4North, Mn (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.