Jonesboro, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Jonesboro, a city in Grant County, Indiana.

Overnight

59°F

Mostly Cloudy

Mostly cloudy, with a low around 59. East wind around 5 mph.

7-day forecast for Jonesboro

When	Temp	Forecast	Wind	Precip
Overnight	59°F	Mostly Cloudy	5 mph E	5%
Saturday	82°F	Chance Showers And Thunderstorms then Showers And Thunderstorms Likely	5 mph SE	65%
Saturday Night	66°F	Chance Showers And Thunderstorms	5 mph S	52%
Sunday	78°F	Showers And Thunderstorms Likely	0 to 10 mph NW	59%
Sunday Night	55°F	Showers And Thunderstorms Likely	10 to 15 mph NE	58%
Monday	66°F	Showers And Thunderstorms Likely	15 mph NE	55%
Monday Night	51°F	Chance Rain Showers	10 to 15 mph NE	44%
Tuesday	66°F	Slight Chance Rain Showers	10 to 15 mph NE	20%
Tuesday Night	52°F	Chance Showers And Thunderstorms	10 to 15 mph NE	31%
Wednesday	67°F	Chance Rain Showers	10 mph NE	31%
Wednesday Night	52°F	Slight Chance Rain Showers then Mostly Cloudy	5 to 10 mph NE	18%
Thursday	68°F	Mostly Cloudy	5 to 10 mph N	6%
Thursday Night	52°F	Mostly Cloudy	5 to 10 mph NE	6%
Friday	71°F	Mostly Sunny	5 to 10 mph NE	4%

Forecast source: National Weather Service (api.weather.gov) for Jonesboro (40.480, -85.630). Updated through the day.

Growing snapshot for Jonesboro

Last spring frost

Apr 26

First fall frost

Oct 20

Growing season

175 days

Hardiness zone

More local growing data for Jonesboro: nearby ZIP 46953 weather · frost dates · planting calendar · Indiana frost dates

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Climate data from the nearest NOAA station, Marion 2 N, In (4.2 mi from Jonesboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.