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Walnut Grove, MN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Walnut Grove, a city in Redwood County, Minnesota.

This Afternoon
64°F
Patchy Fog
Patchy fog and a slight chance of drizzle before 4pm. Cloudy, with a high near 64. North northeast wind around 10 mph. Chance of precipitation is 20%.

7-day forecast for Walnut Grove

WhenTempForecastWindPrecip
This Afternoon 64°F Patchy Fog 10 mph NNE 17%
Tonight 53°F Mostly Cloudy 5 to 10 mph NNE 14%
Sunday 67°F Mostly Cloudy 10 to 15 mph NE 3%
Sunday Night 50°F Cloudy then Chance Rain Showers 10 mph NE 27%
Monday 59°F Slight Chance Rain Showers 5 to 10 mph ENE 22%
Monday Night 44°F Partly Cloudy 5 mph ENE 14%
Tuesday 63°F Mostly Sunny 5 to 10 mph E 2%
Tuesday Night 44°F Mostly Clear 5 mph SE 1%
Wednesday 67°F Sunny 5 to 10 mph SSE 2%
Wednesday Night 51°F Chance Showers And Thunderstorms 5 to 10 mph SSE 30%
Thursday 69°F Chance Showers And Thunderstorms 10 to 15 mph SSE 49%
Thursday Night 54°F Chance Rain Showers then Mostly Cloudy 5 to 10 mph SSE 26%
Friday 73°F Partly Sunny 5 to 10 mph SE 10%
Friday Night 57°F Mostly Cloudy then Slight Chance Rain Showers 5 to 10 mph SE 16%

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

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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.