7-Day Zone Forecast for Johnson County (Text-Only)
NWS Forecast for: Johnson County
Issued by: National Weather Service Indianapolis, IN
Last Update: 1154 PM EDT Mon Jul 27 2026




Rest Of Tonight: Partly cloudy with a slight chance of showers and thunderstorms. Lows around 70. Temperature steady or slowly rising. Southwest winds 5 to 10 mph, becoming west toward daybreak. Gusts up to 20 mph. Chance of rain 20 percent.

Tuesday: Partly cloudy through early afternoon, then clearing. Humid with highs in the mid 80s. North winds 10 to 15 mph.

Tuesday Night: Mostly clear. Less humid with lows in the lower 60s. North winds 5 to 10 mph. Gusts up to 20 mph through the late overnight.

Wednesday: Sunny. Highs in the lower 80s. North winds 5 to 10 mph. Gusts up to 20 mph late in the afternoon.

Wednesday Night: Clear. Lows in the lower 60s. North winds 5 to 10 mph.

Thursday: Sunny. Highs in the mid 80s.

Thursday Night: Mostly clear. Lows in the mid 60s.

Friday: Partly cloudy. Highs in the mid 80s.

Friday Night: Mostly cloudy. A slight chance of showers and thunderstorms through the late overnight, then a chance of showers toward daybreak. Lows in the upper 60s. Chance of rain 40 percent.

Saturday: Mostly cloudy through early afternoon, then becoming partly cloudy. A chance of showers. A slight chance of thunderstorms late in the afternoon. Highs in the lower 80s. Chance of rain 50 percent.

Saturday Night: Partly cloudy with a 40 percent chance of showers. Lows in the mid 60s.

Sunday: Partly cloudy. A slight chance of showers through early afternoon, then a chance of showers with a slight chance of thunderstorms late in the afternoon. Highs in the lower 80s. Chance of rain 40 percent.

Sunday Night: Partly cloudy through the late overnight, then clearing. Lows in the mid 60s.

Monday: Mostly sunny. A slight chance of showers late in the afternoon. Highs in the mid 80s. Chance of rain 20 percent.







Zone Forecast: Johnson County

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