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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.

This Afternoon
81°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Southwest wind around 5 mph. Chance of precipitation is 50%.

7-day forecast for Millgrove

WhenTempForecastWindPrecip
This Afternoon 81°F Chance Showers And Thunderstorms 5 mph SW 46%
Tonight 68°F Chance Showers And Thunderstorms 0 to 5 mph S 48%
Sunday 81°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 0 to 10 mph W 62%
Sunday Night 56°F Showers And Thunderstorms Likely 10 to 15 mph NE 63%
Monday 68°F Chance Rain Showers 10 to 15 mph NE 49%
Monday Night 52°F Slight Chance Rain Showers 10 to 15 mph NE 22%
Tuesday 67°F Chance Rain Showers 10 to 15 mph NE 26%
Tuesday Night 54°F Chance Rain Showers 10 to 15 mph NE 27%
Wednesday 68°F Chance Showers And Thunderstorms 10 mph NE 38%
Wednesday Night 53°F Chance Showers And Thunderstorms 5 to 10 mph NE 38%
Thursday 69°F Mostly Cloudy 5 to 10 mph NE 9%
Thursday Night 52°F Mostly Cloudy 0 to 10 mph NE 9%
Friday 71°F Partly Sunny 5 to 10 mph NE 9%
Friday Night 51°F Partly Cloudy 0 to 5 mph NE 3%

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.