Monroe, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Monroe, a town in Adams County, Indiana.
Tonight
57°F
Mostly Cloudy
Mostly cloudy. Low around 57, with temperatures rising to around 62 overnight. East wind around 5 mph.
7-day forecast for Monroe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Mostly Cloudy | 5 mph E | 3% |
| Saturday | 79°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph SE | 64% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph S | 61% |
| Sunday | 76°F | Showers And Thunderstorms Likely | 5 to 10 mph NW | 64% |
| Sunday Night | 55°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 59% |
| Monday | 66°F | Chance Rain Showers | 10 to 15 mph NE | 51% |
| Monday Night | 51°F | Chance Rain Showers | 10 to 15 mph NE | 36% |
| Tuesday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 15 mph NE | 18% |
| Tuesday Night | 54°F | Chance Rain Showers | 10 to 15 mph NE | 26% |
| Wednesday | 66°F | Slight Chance Rain Showers | 10 mph NE | 22% |
| Wednesday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph N | 17% |
| Thursday | 68°F | Mostly Cloudy | 5 to 10 mph N | 8% |
| Thursday Night | 53°F | Mostly Cloudy | 5 to 10 mph N | 8% |
| Friday | 69°F | Partly Sunny | 5 to 10 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov) for Monroe (40.745, -84.941). Updated through the day.
Growing snapshot for Monroe
Last spring frost
Apr 23
First fall frost
Oct 22
Growing season
181 days
Hardiness zone
6a
More local growing data for Monroe: nearby ZIP 46772 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Berne Wwtp, In (3.8 mi from Monroe). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.