Round Lake, MN Weather & Growing Conditions
Today
72°F
Chance Showers And Thunderstorms
Scattered rain showers before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 72. North northwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Chance Showers And Thunderstorms | 5 to 10 mph NNW | 64% |
| Tonight | 53°F | Chance Rain Showers then Mostly Cloudy | 0 to 5 mph W | 56% |
| Wednesday | 75°F | Mostly Sunny | 0 to 5 mph S | 1% |
| Wednesday Night | 54°F | Mostly Clear | 5 mph S | 0% |
| Thursday | 81°F | Sunny | 5 to 15 mph SSW | 0% |
| Thursday Night | 61°F | Mostly Clear | 10 mph S | 2% |
| Friday | 84°F | Sunny | 10 to 15 mph SSW | 7% |
| Friday Night | 64°F | Mostly Clear | 10 mph S | 14% |
| Saturday | 86°F | Sunny | 5 to 15 mph SSW | 10% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 15 mph ESE | 24% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph ESE | 24% |
| Sunday Night | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 10 to 15 mph E | 30% |
| Monday | 84°F | Chance Showers And Thunderstorms then Partly Sunny | 10 to 15 mph E | 30% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Round Lake, MN
Last spring frost
Apr 30
First fall frost
Oct 10
Growing season
164 days
Hardiness zone
5a
Explore more for Round Lake, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Lake Park, Ia (8.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.