| NWS Forecast for: Grainger County Issued by: National Weather Service Morristown, TN Last Update: 706 PM EDT Sun Oct 11 2026 | |
| Tonight: Mostly cloudy. A slight chance of showers this evening. Lows in the upper 50s. West winds 10 mph or less. Chance of rain 20 percent. Columbus Day: Partly sunny in the morning, then clearing. Highs around 80. Light winds. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Light winds. Tuesday: Sunny. Highs in the lower to mid 80s. Light winds. Tuesday Night: Mostly clear. Lows in the upper 50s. Light winds. Wednesday: Sunny. Highs in the lower to mid 80s. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Thursday: Mostly sunny. Highs in the mid 80s. Thursday Night: Mostly clear. Lows in the lower 60s. Friday: Mostly sunny. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the upper 70s. Temperature falling to around 70 in the afternoon. Chance of rain 30 percent. Friday Night: Mostly cloudy in the evening, then becoming partly cloudy. Much cooler with lows in the lower to mid 40s. Saturday: Mostly sunny. Much cooler with highs around 60. Saturday Night: Mostly clear. Lows in the mid 30s. Sunday: Sunny. Highs in the mid 60s. | |
| Zone Forecast: Grainger County | |
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