Johnson City 7-day weather forecast

Written by:
September 8, 2025
ESOlex // Shutterstock

Johnson City 7-day weather forecast

Stacker created the forecast for Johnson City, Tennessee using data from OpenWeather. This week's high is 90 °F on Saturday, while the low is 55 °F on Wednesday. There are expected to be 5 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, September 15

- High of 77 °F, low of 59 °F (38% humidity)
- Overcast with a 63% chance of rain (0 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Light breeze (7 mph wind)
- Sunrise at 7:12 AM, sunset at 7:37 PM
1 / 6
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Tuesday, September 16

- High of 71 °F, low of 56 °F (78% humidity)
- Overcast with a 21% chance of rain (0 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Light breeze (5 mph wind)
- Sunrise at 7:12 AM, sunset at 7:35 PM
2 / 6
Matusciac Alexandru // Shutterstock

Wednesday, September 17

- High of 81 °F, low of 55 °F (40% humidity)
- Mostly sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (6 mph wind)
- Sunrise at 7:13 AM, sunset at 7:34 PM
3 / 6
Andrzej Kubik // Shutterstock

Thursday, September 18

- High of 83 °F, low of 59 °F (33% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Light breeze (6 mph wind)
- Sunrise at 7:14 AM, sunset at 7:32 PM
4 / 6
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Friday, September 19

- High of 86 °F, low of 59 °F (28% humidity)
- Sunny with a 0% chance of rain
- Light breeze (5 mph wind)
- Sunrise at 7:15 AM, sunset at 7:31 PM
5 / 6
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Saturday, September 20

- High of 90 °F, low of 61 °F (25% humidity)
- Sunny with a 0% chance of rain
- Gentle breeze (9 mph wind)
- Sunrise at 7:15 AM, sunset at 7:29 PM
6 / 6
Witaya Proadtayakogool // Shutterstock

Sunday, September 21

- High of 83 °F, low of 59 °F (36% humidity)
- Mostly sunny with a 0% chance of rain
- Light breeze (6 mph wind)
- Sunrise at 7:16 AM, sunset at 7:28 PM
- New moon

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