7-Day Zone Forecast for Johnson County (Text-Only)
NWS Forecast for: Johnson County
Issued by: National Weather Service Morristown, TN
Last Update: 706 AM EDT Fri Sep 4 2026
Print




Today: Sunny. A slight chance of showers and thunderstorms late. Highs in the 80s to lower 90s. Temperature falling into the lower 80s this afternoon. Light winds. Chance of rain 20 percent.

Tonight: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid to upper 60s. Light winds.

Saturday: Mostly sunny. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s and 80s. Temperature falling into the upper 70s in the afternoon. Light winds. Chance of rain 50 percent.

Saturday Night: Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the lower 60s. Light winds. Chance of rain 40 percent.

Sunday: Mostly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s to mid 80s. Temperature falling into the mid 70s in the afternoon. Light winds. Chance of rain 70 percent.

Sunday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s to lower 60s. Chance of rain 20 percent.

Labor Day: Mostly sunny. Highs in the upper 60s to lower 80s.

Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid to upper 50s.

Tuesday: Mostly sunny. Highs in the 70s to mid 80s.

Tuesday Night: Partly cloudy. Lows in the upper 50s.

Wednesday: Sunny. Highs in the mid 70s to mid 80s.

Wednesday Night: Mostly clear. Lows in the lower to mid 60s.

Thursday: Sunny. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s and 80s. Chance of rain 30 percent.







Zone Forecast: Johnson County

Visit your local NWS office at: https://www.weather.gov/mrx