Monrovia, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Monrovia, a town in Morgan County, Indiana.

Today

82°F

Sunny

Sunny, with a high near 82. East wind around 2 mph.

7-day forecast for Monrovia

When	Temp	Forecast	Wind	Precip
Today	82°F	Sunny	2 mph E	0%
Tonight	61°F	Mostly Clear	2 mph NE	0%
Wednesday	84°F	Sunny	0 to 3 mph WSW	0%
Wednesday Night	66°F	Partly Cloudy	0 to 3 mph SSW	4%
Thursday	84°F	Scattered Showers And Thunderstorms	2 to 7 mph SSW	43%
Thursday Night	67°F	Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms	2 to 6 mph SSW	58%
Friday	82°F	Scattered Showers And Thunderstorms	2 to 6 mph SW	49%
Friday Night	66°F	Chance Showers And Thunderstorms	1 to 6 mph SW	39%
Saturday	84°F	Slight Chance Showers And Thunderstorms	2 to 7 mph SW	20%
Saturday Night	68°F	Slight Chance Showers And Thunderstorms then Partly Cloudy	5 mph SSW	19%
Sunday	86°F	Mostly Sunny	3 to 9 mph SW	11%
Sunday Night	71°F	Partly Cloudy	8 mph SSW	11%
Monday	87°F	Mostly Sunny then Slight Chance Showers And Thunderstorms	6 to 9 mph SW	18%
Monday Night	70°F	Slight Chance Showers And Thunderstorms	8 mph SW	30%

Forecast source: National Weather Service (api.weather.gov) for Monrovia (39.587, -86.475). Updated through the day.

Growing snapshot for Monrovia

Last spring frost

Apr 24

First fall frost

Oct 15

Growing season

173 days

Hardiness zone

More local growing data for Monrovia: nearby ZIP 46157 weather · frost dates · planting calendar · Indiana frost dates

Nearby towns & communities

Bethany Brooklyn Browns Crossing Centerton Eminence Foxcliff Estates Martinsville Mooresville Painted Hills Paragon Stilesville

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Climate data from the nearest NOAA station, Martinsville 2 Sw, In (11.1 mi from Monrovia). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.