Jonesboro, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jonesboro, a city in Grant County, Indiana.
This Afternoon
75°F
Mostly Sunny
Mostly sunny, with a high near 75. East wind 5 to 10 mph.
7-day forecast for Jonesboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Mostly Sunny | 5 to 10 mph E | 3% |
| Tonight | 59°F | Partly Cloudy | 5 mph E | 12% |
| Saturday | 81°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph SE | 84% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 5 mph S | 59% |
| Sunday | 80°F | Chance Showers And Thunderstorms | 0 to 10 mph W | 72% |
| Sunday Night | 57°F | Showers And Thunderstorms Likely | 10 mph NE | 72% |
| Monday | 68°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 63% |
| Monday Night | 52°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 43% |
| Tuesday | 67°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 28% |
| Tuesday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 15 mph NE | 16% |
| Wednesday | 67°F | Mostly Cloudy | 5 to 10 mph NE | 13% |
| Wednesday Night | 53°F | Mostly Cloudy | 5 to 10 mph N | 11% |
| Thursday | 70°F | Partly Sunny | 5 mph N | 7% |
| Thursday Night | 53°F | Mostly Cloudy | 0 to 5 mph N | 7% |
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
6a
More local growing data for Jonesboro: nearby ZIP 46953 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Converse
Fairmount
Fowlerton
Gas City
Herbst
Jalapa
Landess
Marion
Matthews
Mier
Point Isabel
Shamrock Lakes
Sims
Swayzee
Sweetser
Upland
Van Buren
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 18, 2026.