Johnson, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Johnson, a community in Gibson County, Indiana.
This Afternoon
98°F
Sunny
Sunny. High near 98, with temperatures falling to around 96 in the afternoon. West southwest wind around 7 mph.
7-day forecast for Johnson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Sunny | 7 mph WSW | 8% |
| Tonight | 73°F | Partly Cloudy | 2 to 6 mph SSW | 8% |
| Sunday | 96°F | Mostly Sunny | 5 to 8 mph WSW | 2% |
| Sunday Night | 68°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 8 mph N | 41% |
| Monday | 86°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 48% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 6 to 10 mph NE | 48% |
| Tuesday | 77°F | Chance Showers And Thunderstorms | 7 to 12 mph NNE | 37% |
| Tuesday Night | 59°F | Mostly Cloudy | 5 to 12 mph NNE | 11% |
| Wednesday | 76°F | Mostly Sunny | 6 to 9 mph N | 7% |
| Wednesday Night | 57°F | Partly Cloudy | 3 to 9 mph N | 2% |
| Thursday | 77°F | Mostly Sunny | 3 to 7 mph N | 0% |
| Thursday Night | 59°F | Partly Cloudy | 2 to 6 mph NNE | 1% |
| Friday | 79°F | Partly Sunny | 3 to 8 mph NNE | 4% |
| Friday Night | 58°F | Partly Cloudy | 3 to 7 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Johnson (38.274, -87.748). Updated through the day.
Growing snapshot for Johnson
Last spring frost
Apr 2
First fall frost
Oct 31
Growing season
209 days
Hardiness zone
6b
More local growing data for Johnson: nearby ZIP 47665 weather · frost dates · planting calendar · Indiana frost dates
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Owensville
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Princeton
Somerville
Climate data from the nearest NOAA station, Mt Carmel, Il (8.9 mi from Johnson). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.