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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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.