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Heat dome collapse to spark thunderstorms. Get the forecast. Chevron right

Johnson City, TN

88°F
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Johnson City

Tennessee

88°
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Johnson City, TN Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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12 PM

90°
RealFeel® 104°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 5%
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Mostly sunny
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday

RealFeel Shade™93°

Heat Index95°

WindNW 5 mph

Air QualityFair

Max UV Index10.6 (Extreme)

Wind Gusts6 mph

Humidity50%

Indoor Humidity50% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling33400 ft

1 PM

92°
RealFeel® 107°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 8%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday

RealFeel Shade™95°

Heat Index98°

WindWNW 6 mph

Air QualityFair

Max UV Index11.5 (Extreme)

Wind Gusts7 mph

Humidity48%

Indoor Humidity48% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover17%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

94°
RealFeel® 107°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 47%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday

RealFeel Shade™96°

Heat Index100°

WindWNW 6 mph

Air QualityFair

Max UV Index10.6 (Extreme)

Wind Gusts7 mph

Humidity45%

Indoor Humidity45% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover21%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

92°
RealFeel® 100°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 51%
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Mostly cloudy w/ t-storms
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday

RealFeel Shade™96°

Heat Index103°

WindWNW 6 mph

Air QualityFair

Max UV Index2.8 (Moderate)

Wind Gusts7 mph

Humidity57%

Indoor Humidity57% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Rain0.15 in

Visibility4 mi

Cloud Ceiling2000 ft

4 PM

90°
RealFeel® 102°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 47%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday

RealFeel Shade™95°

Heat Index98°

WindSW 6 mph

Air QualityFair

Max UV Index5.0 (Moderate)

Wind Gusts7 mph

Humidity58%

Indoor Humidity58% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover23%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

87°
RealFeel® 97°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 19%
Chevron down
Mostly sunny
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday

RealFeel Shade™91°

Heat Index93°

WindS 6 mph

Air QualityFair

Max UV Index3.5 (Moderate)

Wind Gusts7 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

89°
RealFeel® 94°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 19%
Chevron down
Partly sunny
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday

RealFeel Shade™91°

Heat Index93°

WindS 6 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts6 mph

Humidity53%

Indoor Humidity53% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover32%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

87°
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 24%
Chevron down
Partly sunny
alerts

Heat Advisory

11:00 AM Tuesday - 8:00 PM Saturday

RealFeel Shade™91°

Heat Index92°

WindSSE 5 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts6 mph

Humidity57%

Indoor Humidity57% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover41%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

85°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 34%
Chevron down
Partly sunny

RealFeel Shade™90°

Heat Index91°

WindSSW 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts6 mph

Humidity65%

Indoor Humidity65% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

82°
RealFeel® 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 34%
Chevron down
Partly cloudy

Heat Index87°

WindSSW 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity73%

Indoor Humidity73% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

79°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 37%
Chevron down
Partly cloudy

Heat Index80°

WindS 4 mph

Air QualityFair

Wind Gusts5 mph

Humidity78%

Indoor Humidity78% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

76°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 43%
Chevron down
Partly cloudy

WindS 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity84%

Indoor Humidity84% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Johnson City

AccuWeather's hourly forecast for Johnson City provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 90° with a RealFeel® of 104°, mostly sunny with a 5% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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World North America United States Tennessee Johnson City

Weather Near Johnson City:

  • Asheville, NC
  • Bristol, TN
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