Monroeville, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monroeville, a town in Allen County, Indiana.
Overnight
57°F
Mostly Cloudy
Mostly cloudy. Low around 57, with temperatures rising to around 62 overnight. East wind 5 to 10 mph.
7-day forecast for Monroeville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Mostly Cloudy | 5 to 10 mph E | 4% |
| Saturday | 76°F | Showers And Thunderstorms Likely | 5 to 10 mph E | 65% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 mph S | 75% |
| Sunday | 74°F | Showers And Thunderstorms | 5 to 15 mph NW | 79% |
| Sunday Night | 54°F | Rain Showers Likely | 10 to 15 mph NE | 55% |
| Monday | 64°F | Chance Rain Showers | 15 mph NE | 50% |
| Monday Night | 50°F | Chance Rain Showers | 15 mph NE | 28% |
| Tuesday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 15 mph NE | 17% |
| Tuesday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 28% |
| Wednesday | 65°F | Chance Rain Showers | 10 mph NE | 26% |
| Wednesday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 16% |
| Thursday | 67°F | Mostly Cloudy | 5 to 10 mph N | 7% |
| Thursday Night | 52°F | Mostly Cloudy | 5 to 10 mph N | 6% |
| Friday | 69°F | Partly Sunny | 5 to 10 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov) for Monroeville (40.974, -84.868). Updated through the day.
Growing snapshot for Monroeville
Last spring frost
Apr 23
First fall frost
Oct 19
Growing season
178 days
Hardiness zone
6a
More local growing data for Monroeville: nearby ZIP 46773 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Arcola
Fort Wayne
Grabill
Harlan
Hessen Cassel
Hoagland
Huntertown
Lake Everett
Leo-Cedarville
Maples
New Haven
Woodburn
Climate data from the nearest NOAA station, Decatur 1 N, In (9.8 mi from Monroeville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.