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 74°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

Overcast•Ressenti 79°F+3° heat index

75°F/66°F

4 mph 335°

78%Humidité

74°F

National Weather Service High-Resolution Rapid Refresh (HRRR)

Mis à jour: 10:00 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 74°F (feels like 79°F), with daytime highs reaching 75°F and overnight lows around 66°F. Humidity is at 78%, with atmospheric pressure steady at 1016.5 hPa.

Overall excellent conditions for commuting and outdoor routines.

Daily Range

Δ 5° Variation

Rain Likelihood

Low (< 10%)

Solar Exposure

UV 4.8 • Moderate

24-Hour Temperature & Rain Outlook

Hourly temperature progression and precipitation probability

Temp (°F) Rain (%)

Prévisions heure par heure

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

72°F

16%

2 PM

74°F

16%

3 PM

74°F

19%

Prévisions sur 10 jours

Extended 10-day meteorological outlook

10-Day Range

Today

Sep 22

61%

66°F

75°F

Wed

Sep 23

41%

62°F

74°F

Thu

Sep 24

61%

58°F

66°F

Fri

Sep 25

50°F

74°F

Sat

Sep 26

48°F

75°F

Sun

Sep 27

48°F

76°F

Mon

Sep 28

48°F

78°F

Tue

Sep 29

54°F

83°F

Wed

Sep 30

19%

58°F

85°F

Thu

Oct 1

21%

58°F

86°F

Weather Details & Observations

Real-time atmospheric measurements and environmental indicators

Live Feed

Indice UVModerate

4.8 / 11+

Sunscreen advisedPeak 5.15

Vent335°

4 mph

Wind Gusts:4 mph

Conditions:Gentle breeze

Sun CycleDaylight

Sunrise07:17 AM

Sunset07:26 PM

Solar Noon:12:54 PM

HumiditéHumid

78%

Point de rosée:66°F

PressionSteady

30.02 inHg

Trend:Stable (+0.1 hPa)

VisibilitéClear

12.6 mi

Haze:Minimal

Air Quality Index (AQI)Good

41US EPA Standard

Air quality is ideal for outdoor activities.

PM2.59 µg

OZONE120 µg

PM1010 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

Questions fréquentes sur la météo - Johnson City, Tennessee

The current weather in Johnson City is around 74°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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