Knoxville 7-day weather forecast

Written by:
December 15, 2025
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Knoxville 7-day weather forecast

Stacker created the forecast for Knoxville, Tennessee using data from OpenWeather. This week's high is 61 °F on Thursday, while the low is 14 °F on Monday. There are expected to be 3 sunny days and rain on 3 days this week.

NWS Morristown TN has issued a cold weather advisory until Monday at 10:00 AM.

Monday, December 15

- High of 37 °F, low of 14 °F (25% humidity)
- Fair with a 0% chance of rain
- Moderate risk of harm from sun exposure (2 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 7:39 AM, sunset at 5:22 PM
1 / 6
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Tuesday, December 16

- High of 48 °F, low of 27 °F (29% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (3 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 7:39 AM, sunset at 5:23 PM
2 / 6
Valeriy Boyarskiy // Shutterstock

Wednesday, December 17

- High of 44 °F, low of 34 °F (47% humidity)
- Overcast with a 0% chance of rain
- Gentle breeze (8 mph wind)
- Sunrise at 7:40 AM, sunset at 5:23 PM
3 / 6
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Thursday, December 18

- High of 61 °F, low of 40 °F (75% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Fresh breeze (22 mph wind)
- Sunrise at 7:40 AM, sunset at 5:23 PM
4 / 6
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Friday, December 19

- High of 50 °F, low of 37 °F (48% humidity)
- Mostly sunny with a 100% chance of rain (11 mm of rain)
- Gentle breeze (8 mph wind)
- Sunrise at 7:41 AM, sunset at 5:24 PM
- New moon
5 / 6
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Saturday, December 20

- High of 56 °F, low of 34 °F (43% humidity)
- Partly cloudy with a 0% chance of rain
- Light breeze (4 mph wind)
- Sunrise at 7:42 AM, sunset at 5:24 PM
6 / 6
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Sunday, December 21

- High of 54 °F, low of 42 °F (94% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Gentle breeze (10 mph wind)
- Sunrise at 7:42 AM, sunset at 5:25 PM

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