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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

WhenTempForecastWindPrecip
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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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.