| NWS Forecast for: Johnson County Issued by: National Weather Service Indianapolis, IN Last Update: 559 AM EDT Mon Sep 28 2026 | |
| Today: Sunny through early afternoon, then becoming partly cloudy. Highs in the upper 70s. North winds around 5 mph. Tonight: Clear. Patchy fog toward daybreak. Lows in the upper 40s. Northeast winds around 5 mph through the late overnight, becoming light and variable. Tuesday: Sunny. Highs in the upper 70s. Southeast winds around 5 mph. Tuesday Night: Mostly clear through the late overnight, then becoming partly cloudy. Lows in the mid 50s. Southeast winds around 5 mph. Wednesday: Partly cloudy. Highs in the mid 80s. South winds 5 to 10 mph. Wednesday Night: Partly cloudy. Warmer with lows in the mid 60s. Thursday: Partly cloudy through early afternoon, then mostly cloudy with a slight chance of showers late in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. Thursday Night: Mostly cloudy with a chance of showers. A slight chance of thunderstorms toward daybreak. Lows in the mid 60s. Chance of rain 50 percent. Friday: Mostly cloudy with a 50 percent chance of showers. Not as warm with highs in the upper 60s. Friday Night Through Sunday: Partly cloudy with a 40 percent chance of showers. Lows in the upper 50s. Highs in the upper 60s. | |
| Zone Forecast: Johnson County | |
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