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 70°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

Despejado•Sensación térmica 71°F+1° heat index

76°F/61°F

6 mph 62°

74%Humedad

70°F

National Weather Service High-Resolution Rapid Refresh (HRRR)

Actualizado: 06:00 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 70°F (feels like 71°F), with daytime highs reaching 76°F and overnight lows around 61°F. Humidity is at 74%, with atmospheric pressure steady at 1021.7 hPa.

Overall excellent conditions for commuting and outdoor routines.

Daily Range

Δ 8° Variation

Rain Likelihood

Low (< 10%)

Solar Exposure

UV 2.7 • Moderate

24-Hour Temperature & Rain Outlook

Hourly temperature progression and precipitation probability

Temp (°F) Rain (%)

Pronóstico por Hora

Next 16 Hours

Now

66°F

1 AM

65°F

2 AM

65°F

3 AM

64°F

4 AM

64°F

5 AM

63°F

6 AM

63°F

7 AM

62°F

8 AM

63°F

9 AM

66°F

10 AM

70°F

11 AM

72°F

12 PM

74°F

1 PM

76°F

2 PM

75°F

3 PM

76°F

10%

Pronóstico de 10 Días

Extended 10-day meteorological outlook

10-Day Range

Hoy

23 sept

48%

61°F

76°F

jue

24 sept

36%

57°F

66°F

vie

25 sept

49°F

74°F

sáb

26 sept

50°F

74°F

dom

27 sept

49°F

75°F

lun

28 sept

49°F

78°F

mar

29 sept

54°F

85°F

mié

30 sept

19%

60°F

81°F

jue

1 oct

31%

62°F

87°F

vie

2 oct

30%

65°F

85°F

Weather Details & Observations

Real-time atmospheric measurements and environmental indicators

Live Feed

Índice UVModerate

2.7 / 11+

Sunscreen advisedPeak 5.9

Viento62°

6 mph

Wind Gusts:9 mph

Conditions:Gentle breeze

Sun CycleDaylight

Sunrise07:18 AM

Sunset07:24 PM

Solar Noon:12:54 PM

HumedadHumid

74%

Punto de Rocío:61°F

PresiónSteady

30.17 inHg

Trend:Stable (+0.1 hPa)

VisibilidadClear

13.7 mi

Haze:Minimal

Air Quality Index (AQI)Good

37US EPA Standard

Air quality is ideal for outdoor activities.

PM2.51 µg

OZONE61 µg

PM101 µg

Daily Lifestyle & Activity Index

Practical recommendations tailored to current local conditions

Outdoor SportsIdeal

Perfect temperature and low humidity for outdoor workouts.

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

Sunrise03:18 AM

Daylight ~13h

Sunset03:24 PM

Lunar Phase & StargazingNight Sky

Waxing Gibbous

88% Illumination

Stargazing condition: Optimal Visibility

Next Full Moon in ~4 daysTidal Currents Normal

Preguntas Frecuentes sobre el Clima - Johnson City, Tennessee

The current weather in Johnson City is around 70°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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