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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
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.