Barnesville, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Barnesville, a city in Clay County, Minnesota.
Overnight
49°F
Mostly Clear
Mostly clear. Low around 49, with temperatures rising to around 52 overnight. West northwest wind around 8 mph.
7-day forecast for Barnesville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Clear | 8 mph WNW | 0% |
| Tuesday | 74°F | Sunny | 7 to 13 mph WNW | 0% |
| Tuesday Night | 52°F | Mostly Clear | 3 to 10 mph SSW | 0% |
| Wednesday | 80°F | Sunny | 5 to 10 mph SW | 0% |
| Wednesday Night | 59°F | Partly Cloudy | 7 to 13 mph SSW | 6% |
| Thursday | 85°F | Sunny | 8 to 13 mph SSW | 6% |
| Thursday Night | 62°F | Mostly Clear | 7 to 13 mph S | 7% |
| Friday | 85°F | Sunny | 7 to 12 mph SW | 7% |
| Friday Night | 59°F | Mostly Clear | 5 to 12 mph ENE | 8% |
| Saturday | 82°F | Mostly Sunny | 5 to 10 mph E | 8% |
| Saturday Night | 61°F | Slight Chance Showers And Thunderstorms | 7 to 12 mph NE | 19% |
| Sunday | 80°F | Slight Chance Rain Showers then Mostly Sunny | 6 to 9 mph NNE | 17% |
| Sunday Night | 61°F | Partly Cloudy then Slight Chance Rain Showers | 9 mph NE | 20% |
| Monday | 80°F | Slight Chance Rain Showers then Partly Sunny | 10 mph NE | 20% |
Forecast source: National Weather Service (api.weather.gov) for Barnesville (46.650, -96.416). Updated through the day.
Growing snapshot for Barnesville
Last spring frost
May 5
First fall frost
Oct 3
Growing season
149 days
Hardiness zone
4a
More local growing data for Barnesville: nearby ZIP 56514 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rothsay, Mn (13.5 mi from Barnesville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.