Walnut Grove, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Walnut Grove, a city in Redwood County, Minnesota.
Tonight
40°F
Rain
Rain and patchy fog. Cloudy, with a low around 40. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Walnut Grove
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 40°F | Rain | 15 to 20 mph NW | 100% |
| Wednesday | 45°F | Light Rain | 15 to 20 mph NW | 97% |
| Wednesday Night | 37°F | Rain | 15 mph NW | 99% |
| Thursday | 44°F | Slight Chance Light Rain | 15 mph NNW | 24% |
| Thursday Night | 32°F | Mostly Cloudy | 5 to 10 mph N | 13% |
| Friday | 45°F | Partly Sunny | 0 to 5 mph E | 0% |
| Friday Night | 30°F | Mostly Cloudy | 0 to 5 mph S | 1% |
| Saturday | 55°F | Mostly Sunny | 5 to 10 mph WSW | 2% |
| Saturday Night | 36°F | Partly Cloudy | 10 mph W | 4% |
| Sunday | 57°F | Sunny | 10 mph WSW | 4% |
| Sunday Night | 38°F | Mostly Clear | 5 to 10 mph SW | 1% |
| Monday | 60°F | Mostly Sunny | 10 to 15 mph W | 0% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 55°F | Mostly Sunny | 5 to 10 mph W | 1% |
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 Nov 4, 2026.