How does NOAA issue severe storm watches for Johnson City?

The National Weather Service (NWS) monitors atmospheric instability across Tennessee. When convective storms, tornado potential, or flash floods are detected, automated NOAA advisories are immediately broadcasted.

What are the best outdoor weather hours in Johnson City today?

Check the 24-hour hourly trend chart above to identify windows of minimal rain probability, low UV index periods, and mild temperatures.

TN, USAZIP 37601Live NOAA Station

Johnson City, TN

Q: What is the current temperature and forecast in Johnson City, Tennessee?

The current weather in Johnson City is around 72°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

Overcast•Feels like 77°F+3° heat index

75°F/66°F

4 mph 347°

86%Humidity

72°F

National Weather Service High-Resolution Rapid Refresh (HRRR)

Updated: 08:30 AM (America/New_York)

Daily Meteorological Briefing

Johnson City, TN

Synthesized forecast and practical day-planning insights

NOAA HRRR Stream

Expect mild and stable weather across Johnson City, TN today.

Current temperature is 72°F (feels like 77°F), with daytime highs reaching 75°F and overnight lows around 66°F. Humidity is at 86%, with atmospheric pressure steady at 1017.4 hPa.

Overall excellent conditions for commuting and outdoor routines.

Daily Range

Δ 5° Variation

Rain Likelihood

Low (< 10%)

Solar Exposure

UV 5.05 • High UV

24-Hour Temperature & Rain Outlook

Hourly temperature progression and precipitation probability

Temp (°F) Rain (%)

Hourly Forecast

Next 16 Hours

Now

70°F

1 AM

69°F

2 AM

68°F

3 AM

67°F

4 AM

67°F

22%

5 AM

66°F

37%

6 AM

66°F

49%

7 AM

66°F

61%

8 AM

66°F

50%

9 AM

67°F

25%

10 AM

68°F

13%

11 AM

69°F

14%

12 PM

71°F

20%

1 PM

73°F

18%

2 PM

74°F

17%

3 PM

74°F

18%

10-Day Forecast

Extended 10-day meteorological outlook

10-Day Range

Today

Sep 22

61%

66°F

75°F

Wed

Sep 23

46%

62°F

74°F

Thu

Sep 24

61%

57°F

62°F

Fri

Sep 25

50°F

74°F

Sat

Sep 26

47°F

74°F

Sun

Sep 27

50°F

74°F

Mon

Sep 28

49°F

78°F

Tue

Sep 29

53°F

82°F

Wed

Sep 30

19%

55°F

83°F

Thu

Oct 1

21%

58°F

84°F

Weather Details & Observations

Real-time atmospheric measurements and environmental indicators

Live Feed

UV IndexHigh

5.05 / 11+

Protection requiredPeak 5.95

Wind347°

4 mph

Wind Gusts:4 mph

Conditions:Gentle breeze

Sun CycleDaylight

Sunrise07:17 AM

Sunset07:26 PM

Solar Noon:12:54 PM

HumidityHumid

86%

Dew Point:67°F

PressureSteady

30.04 inHg

Trend:Stable (+0.1 hPa)

VisibilityClear

10.1 mi

Haze:Minimal

Air Quality Index (AQI)Good

39US EPA Standard

Air quality is ideal for outdoor activities.

PM2.59 µg

OZONE110 µg

PM109 µg

Daily Lifestyle & Activity Index

Practical recommendations tailored to current local conditions

Outdoor SportsGood

Pleasant conditions for light outdoor activities.

Car WashRecommended

Dry conditions will keep your vehicle clean.

Pollen & AllergyLow Risk

Pollen counts remain in the comfortable range.

Driving SafetyOptimal

Dry pavement and clear visibility throughout.

Sun & Moon • Celestial Dynamics

Solar orbital arc trajectory and lunar cycle visibility

Astronomy Telemetry

Solar Day TrackDaylight Arc

Sunrise03:17 AM

Daylight ~13h

Sunset03:26 PM

Lunar Phase & StargazingNight Sky

Waxing Gibbous

80% Illumination

Stargazing condition: Optimal Visibility

Next Full Moon in ~5 daysTidal Currents Normal

Frequently Asked Questions - Johnson City, Tennessee

The current weather in Johnson City is around 72°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

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