7-Day Zone Forecast for Johnson County (Text-Only)
NWS Forecast for: Johnson County
Issued by: National Weather Service Morristown, TN
Last Update: 706 PM EDT Thu Jul 9 2026




Tonight: Partly cloudy this evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms this evening, then a slight chance of showers after midnight. A chance of showers late. Lows in the lower to mid 60s. Light winds. Chance of rain 40 percent.

Friday: Showers with a chance of thunderstorms. Highs in the mid 70s to mid 80s. West winds 10 mph or less with gusts up to 20 mph. Chance of rain 90 percent.

Friday Night: A chance of showers and thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Lows in the lower to mid 60s. West winds 10 mph or less with gusts up to 25 mph. Chance of rain 90 percent.

Saturday: Showers with a chance of thunderstorms. Highs in the 70s to lower 80s. West winds 10 mph or less. Chance of rain near 100 percent.

Saturday Night: Mostly cloudy. A chance of showers and thunderstorms, mainly in the evening. Lows in the upper 50s to mid 60s. Light winds. Chance of rain 50 percent.

Sunday: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with showers with thunderstorms likely in the afternoon. Highs in the 70s to mid 80s. Chance of rain 80 percent.

Sunday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 50s to lower 60s. Chance of rain 40 percent.

Monday: Partly sunny. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 60s to lower 80s. Chance of rain 40 percent.

Monday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s to lower 60s.

Tuesday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the 70s to mid 80s. Chance of rain 20 percent.

Tuesday Night: Mostly clear. Lows in the mid 50s to lower 60s.

Wednesday: Sunny. Highs in the upper 70s and 80s.

Wednesday Night: Mostly clear. Lows in the upper 50s to mid 60s.

Thursday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s and 80s. Chance of rain 20 percent.







Zone Forecast: Johnson County

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