Barnesville, MN Weather & Growing Conditions
Overnight
54°F
Patchy Fog
Patchy fog. Mostly cloudy. Low around 54, with temperatures rising to around 57 overnight. East northeast wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Patchy Fog | 6 mph ENE | 7% |
| Saturday | 70°F | Patchy Fog then Mostly Cloudy | 5 to 9 mph NE | 3% |
| Saturday Night | 52°F | Mostly Cloudy | 9 mph NNE | 3% |
| Sunday | 67°F | Partly Sunny | 10 mph NE | 0% |
| Sunday Night | 46°F | Mostly Cloudy | 8 mph E | 0% |
| Monday | 68°F | Mostly Sunny | 8 mph ESE | 1% |
| Monday Night | 43°F | Mostly Clear | 7 mph SE | 2% |
| Tuesday | 68°F | Sunny | 7 to 14 mph SE | 0% |
| Tuesday Night | 47°F | Mostly Clear | 12 mph SSE | 0% |
| Wednesday | 69°F | Mostly Sunny | 12 to 17 mph SSE | 4% |
| Wednesday Night | 51°F | Partly Cloudy then Slight Chance Rain Showers | 10 to 14 mph SSE | 15% |
| Thursday | 71°F | Slight Chance Rain Showers then Mostly Sunny | 9 to 14 mph SSE | 15% |
| Thursday Night | 53°F | Partly Cloudy | 10 mph SSE | 11% |
| Friday | 74°F | Mostly Sunny | 9 to 16 mph SSE | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Barnesville, MN
Last spring frost
May 5
First fall frost
Oct 3
Growing season
149 days
Hardiness zone
4a
Explore more for Barnesville, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Rothsay, Mn (13.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.