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Millgrove, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Millgrove, a community in Jay County, Indiana.

Today
80°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A slight chance of showers and thunderstorms before 10am, then showers and thunderstorms likely between 10am and 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Millgrove

WhenTempForecastWindPrecip
Today 80°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 mph SE 62%
Tonight 67°F Chance Showers And Thunderstorms 5 mph S 49%
Sunday 79°F Chance Showers And Thunderstorms 5 to 10 mph NW 59%
Sunday Night 56°F Showers And Thunderstorms Likely 10 to 15 mph NE 60%
Monday 67°F Chance Showers And Thunderstorms 10 to 15 mph NE 54%
Monday Night 51°F Chance Rain Showers 10 to 15 mph NE 46%
Tuesday 66°F Slight Chance Rain Showers 10 to 15 mph NE 20%
Tuesday Night 53°F Chance Showers And Thunderstorms 10 to 15 mph NE 32%
Wednesday 67°F Chance Rain Showers 10 mph NE 32%
Wednesday Night 53°F Slight Chance Rain Showers then Mostly Cloudy 5 to 10 mph NE 24%
Thursday 69°F Mostly Cloudy 5 to 10 mph N 9%
Thursday Night 52°F Mostly Cloudy 5 to 10 mph NE 7%
Friday 71°F Mostly Sunny 5 to 10 mph NE 5%
Friday Night 50°F Partly Cloudy 5 to 10 mph NE 5%

Forecast source: National Weather Service (api.weather.gov) for Millgrove (40.405, -85.277). Updated through the day.

Growing snapshot for Millgrove

Last spring frost
Apr 22
First fall frost
Oct 22
Growing season
181 days
Hardiness zone
6a

More local growing data for Millgrove: nearby ZIP 47336 weather · frost dates · planting calendar · Indiana frost dates

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Climate data from the nearest NOAA station, Hartford City 4 Ese, In (4.8 mi from Millgrove). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.