Walnut Grove, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Walnut Grove, a city in Redwood County, Minnesota.
Today
62°F
Areas Of Fog
Areas of fog and a slight chance of drizzle before 2pm. Cloudy, with a high near 62. North northeast wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast for Walnut Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Areas Of Fog | 5 to 10 mph NNE | 21% |
| Tonight | 53°F | Cloudy | 5 to 10 mph N | 11% |
| Sunday | 65°F | Mostly Cloudy | 5 to 15 mph NE | 4% |
| Sunday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph ENE | 19% |
| Monday | 62°F | Slight Chance Rain Showers | 5 to 10 mph ENE | 19% |
| Monday Night | 44°F | Mostly Cloudy | 5 mph E | 10% |
| Tuesday | 64°F | Mostly Sunny | 5 to 10 mph ESE | 5% |
| Tuesday Night | 43°F | Mostly Clear | 5 mph SE | 1% |
| Wednesday | 67°F | Sunny | 5 to 10 mph SSE | 4% |
| Wednesday Night | 49°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SSE | 18% |
| Thursday | 69°F | Slight Chance Rain Showers | 5 to 10 mph SSE | 18% |
| Thursday Night | 52°F | Partly Cloudy | 5 mph SSE | 8% |
| Friday | 72°F | Mostly Sunny | 5 to 10 mph SSE | 8% |
| Friday Night | 54°F | Partly Cloudy | 10 mph SSE | 13% |
Forecast source: National Weather Service (api.weather.gov) for Walnut Grove (44.225, -95.469). Updated through the day.
Growing snapshot for Walnut Grove
Last spring frost
May 3
First fall frost
Oct 2
Growing season
152 days
Hardiness zone
5a
More local growing data for Walnut Grove: nearby ZIP 56180 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Belview
Clements
Delhi
Evan
Lamberton
Lucan
Milroy
Morgan
Redwood Falls
Revere
Sanborn
Seaforth
Vesta
Wabasso
Wanda
Climate data from the nearest NOAA station, Lamberton Sw Rsch & Outreach C, Mn (7.2 mi from Walnut Grove). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.