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
70°F
Patchy Smoke then Slight Chance Rain Showers
Patchy smoke before 11am, then a slight chance of rain showers between noon and 3pm. Partly sunny, with a high near 70. Northwest wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast for Walnut Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Patchy Smoke then Slight Chance Rain Showers | 5 to 10 mph NW | 21% |
| Tonight | 52°F | Partly Cloudy | 0 to 5 mph W | 5% |
| Wednesday | 76°F | Sunny | 5 mph SW | 0% |
| Wednesday Night | 57°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Thursday | 80°F | Sunny | 10 to 15 mph SSW | 1% |
| Thursday Night | 63°F | Mostly Clear | 10 to 15 mph SSW | 4% |
| Friday | 83°F | Sunny | 10 to 15 mph SW | 12% |
| Friday Night | 63°F | Mostly Clear | 5 to 10 mph SSW | 13% |
| Saturday | 83°F | Sunny | 5 to 15 mph SSW | 12% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 10 to 15 mph ESE | 30% |
| Sunday | 82°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 mph ESE | 29% |
| Sunday Night | 64°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 10 mph E | 30% |
| Monday | 81°F | Chance Showers And Thunderstorms | 10 mph ENE | 30% |
| Monday Night | 63°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph NE | 23% |
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 Aug 4, 2026.