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Current weather in Johnson City is few clouds.

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This page shows hourly weather forecast for Johnson City, including temperature, wind, precipitation, humidity and cloud cover.

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Weather data for Johnson City is updated regularly with the latest available observations and forecasts.

Now · 2:30 AM

Johnson City Weather & Hourly Forecast

United States · Tennessee · 37604

65°F

Mostly clear night

Feels like: 67°F

💧 Humidity 96% 🌡 Pressure 30.09 inHg 💨 Wind 4 mph 👁 Visibility 10.1 mi ☁ Clouds 23% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:17 AM 🌇 Sunset 7:26 PM

Hourly Forecast for Johnson City

Today

3:00 AM

Mostly clear night

65° 💧 None 💨 4 mph H 96%30.09 inHg

6:00 AM

Mostly clear night

63° 💧 None 💨 3 mph H 95%30.12 inHg

9:00 AM

Mostly cloudy

66° 💧 0.013 in 💨 4 mph H 86%30.18 inHg

12:00 PM

Mostly cloudy

74° 💧 0.000 in 💨 8 mph H 65%30.15 inHg

3:00 PM

Mostly cloudy

74° 💧 0.008 in 💨 8 mph H 64%30.12 inHg

6:00 PM

Light rain

71° 💧 0.068 in 💨 5 mph H 70%30.12 inHg

9:00 PM

Light rain

64° 💧 0.029 in 💨 3 mph H 93%30.18 inHg

Tomorrow

12:00 AM

Mostly clear night

62° 💧 0.005 in 💨 3 mph H 97%30.18 inHg

3:00 AM

Overcast night

60° 💧 0.008 in 💨 3 mph H 95%30.18 inHg

6:00 AM

Light rain

59° 💧 0.025 in 💨 1 mph H 95%30.18 inHg

9:00 AM

Mostly cloudy

60° 💧 None 💨 4 mph H 90%30.21 inHg

12:00 PM

Overcast

64° 💧 None 💨 3 mph H 76%30.21 inHg

3:00 PM

Overcast

67° 💧 0.010 in 💨 1 mph H 71%30.15 inHg

6:00 PM

Mostly cloudy

66° 💧 0.001 in 💨 7 mph H 72%30.15 inHg

9:00 PM

Mostly clear night

61° 💧 None 💨 6 mph H 83%30.15 inHg

Friday

12:00 AM

Partly cloudy night

58° 💧 None 💨 3 mph H 89%30.15 inHg

Today

3:00 AM

Mostly clear night

65° 💧 None 💨 4 mph H 96%30.09 inHg

4:00 AM

Mostly clear night

64° 💧 None 💨 5 mph H 96%30.12 inHg

5:00 AM

Mostly clear night

63° 💧 None 💨 4 mph H 95%30.12 inHg

6:00 AM

Mostly clear night

63° 💧 None 💨 3 mph H 95%30.12 inHg

7:00 AM

Partly cloudy night

62° 💧 None 💨 3 mph H 94%30.15 inHg

8:00 AM

Partly cloudy

63° 💧 None 💨 4 mph H 93%30.15 inHg

9:00 AM

Mostly cloudy

66° 💧 0.000 in 💨 4 mph H 86%30.18 inHg

10:00 AM

Light rain

68° 💧 0.012 in 💨 6 mph H 82%30.18 inHg

11:00 AM

Mostly cloudy

71° 💧 0.001 in 💨 6 mph H 72%30.18 inHg

12:00 PM

Mostly cloudy

74° 💧 None 💨 8 mph H 65%30.15 inHg

1:00 PM

Overcast

75° 💧 0.000 in 💨 7 mph H 61%30.15 inHg

2:00 PM

Mostly cloudy

73° 💧 None 💨 9 mph H 65%30.15 inHg

3:00 PM

Mostly cloudy

74° 💧 0.003 in 💨 8 mph H 64%30.12 inHg

4:00 PM

Mostly cloudy

73° 💧 0.003 in 💨 7 mph H 65%30.09 inHg

5:00 PM

Partly cloudy

74° 💧 0.002 in 💨 7 mph H 64%30.09 inHg

6:00 PM

Light rain

71° 💧 0.008 in 💨 5 mph H 70%30.12 inHg

7:00 PM

Light rain

68° 💧 0.035 in 💨 6 mph H 85%30.12 inHg

8:00 PM

Light rain

66° 💧 0.024 in 💨 3 mph H 91%30.15 inHg

9:00 PM

Light rain

64° 💧 0.014 in 💨 3 mph H 93%30.18 inHg

10:00 PM

Light rain

63° 💧 0.011 in 💨 3 mph H 95%30.18 inHg

11:00 PM

Light rain

63° 💧 0.005 in 💨 2 mph H 95%30.18 inHg

Tomorrow

12:00 AM

Mostly clear night

62° 💧 0.002 in 💨 3 mph H 97%30.18 inHg

1:00 AM

Mostly cloudy night

61° 💧 0.002 in 💨 2 mph H 97%30.15 inHg

2:00 AM

Overcast night

60° 💧 0.001 in 💨 4 mph H 96%30.18 inHg

3:00 AM

Overcast night

60° 💧 0.001 in 💨 3 mph H 95%30.18 inHg

4:00 AM

Overcast night

59° 💧 0.001 in 💨 1 mph H 96%30.18 inHg

5:00 AM

Light rain

60° 💧 0.005 in 💨 2 mph H 94%30.18 inHg

6:00 AM

Light rain

59° 💧 0.019 in 💨 1 mph H 95%30.18 inHg

7:00 AM

Light rain

58° 💧 0.005 in 💨 2 mph H 96%30.18 inHg

8:00 AM

Overcast

59° 💧 0.001 in 💨 4 mph H 95%30.21 inHg

9:00 AM

Mostly cloudy

60° 💧 None 💨 4 mph H 90%30.21 inHg

10:00 AM

Overcast

62° 💧 None 💨 4 mph H 83%30.21 inHg

11:00 AM

Overcast

64° 💧 None 💨 4 mph H 76%30.21 inHg

12:00 PM

Overcast

64° 💧 None 💨 3 mph H 76%30.21 inHg

1:00 PM

Overcast

65° 💧 None 💨 4 mph H 73%30.18 inHg

2:00 PM

Overcast

67° 💧 None 💨 3 mph H 70%30.18 inHg

3:00 PM

Overcast

67° 💧 0.002 in 💨 1 mph H 71%30.15 inHg

4:00 PM

Light rain

67° 💧 0.007 in 💨 4 mph H 72%30.12 inHg

5:00 PM

Mostly cloudy

67° 💧 0.001 in 💨 6 mph H 72%30.12 inHg

6:00 PM

Mostly cloudy

66° 💧 0.001 in 💨 7 mph H 72%30.15 inHg

7:00 PM

Mostly sunny

65° 💧 None 💨 7 mph H 76%30.15 inHg

8:00 PM

Mostly clear night

62° 💧 None 💨 7 mph H 81%30.15 inHg

9:00 PM

Mostly clear night

61° 💧 None 💨 6 mph H 83%30.15 inHg

10:00 PM

Clear night

59° 💧 None 💨 5 mph H 86%30.18 inHg

11:00 PM

Clear night

59° 💧 None 💨 4 mph H 88%30.18 inHg

Friday

12:00 AM

Partly cloudy night

58° 💧 None 💨 3 mph H 89%30.15 inHg

1:00 AM

Partly cloudy night

57° 💧 None 💨 3 mph H 90%30.15 inHg

2:00 AM

Mostly cloudy night

57° 💧 None 💨 2 mph H 91%30.15 inHg

3:00 AM

Partly cloudy night

56° 💧 None 💨 3 mph H 93%30.15 inHg

4:00 AM

Mostly clear night

56° 💧 None 💨 3 mph H 94%30.15 inHg

5:00 AM

Mostly clear night

55° 💧 None 💨 2 mph H 94%30.15 inHg

6:00 AM

Mostly clear night

55° 💧 None 💨 2 mph H 94%30.15 inHg

7:00 AM

Clear night

54° 💧 None 💨 2 mph H 94%30.18 inHg

8:00 AM

Sunny

54° 💧 None 💨 4 mph H 93%30.18 inHg

9:00 AM

Sunny

57° 💧 None 💨 3 mph H 85%30.18 inHg

10:00 AM

Sunny

60° 💧 None 💨 4 mph H 79%30.18 inHg

11:00 AM

Sunny

63° 💧 None 💨 4 mph H 72%30.18 inHg

12:00 PM

Sunny

65° 💧 None 💨 4 mph H 64%30.18 inHg

1:00 PM

Sunny

66° 💧 None 💨 5 mph H 54%30.18 inHg

2:00 PM

Sunny

68° 💧 None 💨 6 mph H 45%30.15 inHg

3:00 PM

Sunny

69° 💧 None 💨 6 mph H 41%30.12 inHg

4:00 PM

Sunny

69° 💧 None 💨 6 mph H 39%30.09 inHg

5:00 PM

Sunny

69° 💧 None 💨 6 mph H 40%30.09 inHg

6:00 PM

Sunny

68° 💧 None 💨 6 mph H 47%30.09 inHg

7:00 PM

Sunny

64° 💧 None 💨 6 mph H 58%30.12 inHg

8:00 PM

Partly cloudy night

61° 💧 None 💨 6 mph H 62%30.12 inHg

11:00 PM

Clear night

55° 💧 None 💨 5 mph H 77%30.15 inHg

Saturday

2:00 AM

Clear night

51° 💧 None 💨 2 mph H 87%30.12 inHg

5:00 AM

Clear night

47° 💧 None 💨 3 mph H 95%30.12 inHg

8:00 AM

Sunny

46° 💧 None 💨 4 mph H 92%30.15 inHg

11:00 AM

Sunny

61° 💧 None 💨 2 mph H 61%30.15 inHg

2:00 PM

Sunny

69° 💧 None 💨 4 mph H 38%30.09 inHg

5:00 PM

Sunny

70° 💧 None 💨 5 mph H 38%30.03 inHg

8:00 PM

Clear night

61° 💧 None 💨 4 mph H 61%30.03 inHg

11:00 PM

Clear night

56° 💧 None 💨 3 mph H 75%30.06 inHg

Sunday

2:00 AM

Clear night

53° 💧 None 💨 1 mph H 83%30.03 inHg

5:00 AM

Clear night

48° 💧 None 💨 1 mph H 88%30.03 inHg

8:00 AM

Sunny

48° 💧 None 💨 2 mph H 81%30.03 inHg

11:00 AM

Mostly sunny

62° 💧 None 💨 2 mph H 64%30.03 inHg

2:00 PM

Mostly sunny

67° 💧 None 💨 5 mph H 54%29.97 inHg

5:00 PM

Sunny

69° 💧 None 💨 7 mph H 52%29.91 inHg

8:00 PM

Clear night

61° 💧 None 💨 5 mph H 71%29.91 inHg

11:00 PM

Clear night

57° 💧 None 💨 2 mph H 74%29.97 inHg

Monday

2:00 AM

Clear night

54° 💧 None 💨 2 mph H 78%29.94 inHg

5:00 AM

Clear night

51° 💧 None 💨 2 mph H 81%29.94 inHg

8:00 AM

Mostly sunny

49° 💧 None 💨 4 mph H 87%29.97 inHg

11:00 AM

Mostly sunny

66° 💧 None 💨 4 mph H 56%29.97 inHg

2:00 PM

Mostly sunny

71° 💧 None 💨 3 mph H 45%29.94 inHg

8:00 PM

Partly cloudy night

70° 💧 None 💨 3 mph H 51%29.91 inHg

Tuesday

2:00 AM

Clear night

64° 💧 None 💨 1 mph H 61%29.91 inHg

8:00 AM

Sunny

51° 💧 None 💨 2 mph H 90%29.94 inHg

2:00 PM

Sunny

48° 💧 None 💨 5 mph H 86%29.97 inHg

8:00 PM

Clear night

77° 💧 None 💨 4 mph H 34%29.94 inHg

Wednesday

2:00 AM

Clear night

67° 💧 None 💨 2 mph H 47%29.91 inHg

8:00 AM

Sunny

60° 💧 None 💨 6 mph H 74%29.91 inHg

2:00 PM

Mostly sunny

62° 💧 None 💨 11 mph H 61%29.94 inHg

8:00 PM

Partly cloudy night

85° 💧 None 💨 8 mph H 31%29.88 inHg

Thursday

2:00 AM

Clear night

73° 💧 None 💨 15 mph H 59%29.85 inHg

8:00 AM

Mostly cloudy

70° 💧 None 💨 7 mph H 61%29.91 inHg

2:00 PM

Mostly cloudy

67° 💧 None 💨 8 mph H 78%29.94 inHg

8:00 PM

Moderate rain

76° 💧 None 💨 10 mph H 67%29.94 inHg

Friday

2:00 AM

Mostly cloudy night

69° 💧 None 💨 8 mph H 82%29.94 inHg

8:00 AM

Mostly cloudy

67° 💧 None 💨 1 mph H 84%29.97 inHg

2:00 PM

Partly cloudy

66° 💧 None 💨 5 mph H 91%30.00 inHg

8:00 PM

Mostly clear night

82° 💧 None 💨 4 mph H 50%29.94 inHg

Saturday

2:00 AM

Partly cloudy night

71° 💧 None 💨 4 mph H 82%29.91 inHg

8:00 AM

Mostly sunny

67° 💧 None 💨 5 mph H 88%29.91 inHg

2:00 PM

Mostly sunny

66° 💧 None 💨 2 mph H 90%29.94 inHg

8:00 PM

Mostly cloudy night

80° 💧 None 💨 7 mph H 57%29.85 inHg

Sunday

2:00 AM

Light rain

67° 💧 None 💨 2 mph H 96%29.85 inHg

8:00 AM

Partly cloudy

64° 💧 None 💨 7 mph H 98%29.83 inHg

2:00 PM

Partly cloudy

63° 💧 None 💨 7 mph H 99%29.88 inHg

8:00 PM

Mostly clear night

71° 💧 None 💨 13 mph H 59%29.85 inHg

Monday

2:00 AM

Partly cloudy night

63° 💧 None 💨 7 mph H 62%29.88 inHg

8:00 AM

Mostly sunny

54° 💧 None 💨 3 mph H 83%29.94 inHg

2:00 PM

Mostly sunny

51° 💧 None 💨 4 mph H 90%30.00 inHg

8:00 PM

Partly cloudy night

67° 💧 None 💨 10 mph H 50%29.97 inHg

Tuesday

2:00 AM

Mostly clear night

59° 💧 None 💨 4 mph H 68%29.94 inHg

8:00 AM

Overcast

52° 💧 None 💨 2 mph H 85%30.00 inHg

2:00 PM

Overcast

50° 💧 None 💨 3 mph H 87%30.03 inHg

8:00 PM

Mostly cloudy night

66° 💧 None 💨 8 mph H 54%29.97 inHg

Wednesday

2:00 AM

Mostly clear night

59° 💧 None 💨 5 mph H 71%29.94 inHg

8:00 AM

Sunny

51° 💧 None 💨 4 mph H 80%30.00 inHg

2:00 PM

Mostly sunny

49° 💧 None 💨 2 mph H 85%30.03 inHg

In Johnson City and, more broadly, across the state of Tennessee: This morning will start with mostly cloudy skies, and temperatures will be warm, ranging from the mid-70s to the low 90s. Light southwest winds at around 6 mph will bring occasional gusts up to 13 mph. As the day progresses, conditions will remain quite hot, with temperatures staying in the 70s to the low 90s. There’s a possibility of light rain, with an accumulation of about 0.16 inches, and the highest likelihood of rain will be later in the afternoon. The winds will continue to be gentle, mostly southwest at 6 mph, with some gusts. Overall, it will be a warm and partly cloudy day with a chance of brief showers in the afternoon.

15-Day Weather Outlook for Johnson City

TomorrowTomorrow

Mostly sunny 67°/58° 💧 None 💨 7 mph

Friday, Sep 25Fri Sep 25

Partly cloudy 69°/54° 💧 None 💨 6 mph

Saturday, Sep 26Sat Sep 26

Sunny 70°/46° 💧 None 💨 5 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 69°/48° 💧 None 💨 7 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 71°/49° 💧 0.151 in 💨 4 mph

Tuesday, Sep 29Tue Sep 29

Sunny 77°/48° 💧 None 💨 5 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 85°/60° 💧 None 💨 11 mph

Thursday, Oct 1Thu Oct 1

Moderate rain 76°/67° 💧 0.014 in 💨 15 mph

Friday, Oct 2Fri Oct 2

Mostly sunny 82°/66° 💧 0.211 in 💨 8 mph

Saturday, Oct 3Sat Oct 3

Partly cloudy 80°/66° 💧 0.052 in 💨 7 mph

Sunday, Oct 4Sun Oct 4

Light rain 71°/63° 💧 0.197 in 💨 13 mph

Monday, Oct 5Mon Oct 5

Partly cloudy 67°/51° 💧 None 💨 10 mph

Tuesday, Oct 6Tue Oct 6

Mostly sunny 66°/50° 💧 None 💨 8 mph

Wednesday, Oct 7Wed Oct 7

Mostly sunny 59°/49° 💧 None 💨 5 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Johnson City

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Johnson City

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 3:00 AM

PM2.5 Fine particles Good 3,8µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 4,0µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 27,3µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 2,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Johnson City

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 5,2Moderate 😊Good

Tomorrow UV 2,7Low 😊Good

Friday UV 6,9High 🙂Fair

Saturday UV 6,6High 🙂Fair

Sunday UV 6,0High 😊Good

Monday UV 6,0High —Unavailable

Tuesday UV 6,0High —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,1 9:00 AMUV 0,6 10:00 AMUV 1,9 11:00 AMUV 3,4 12:00 PMUV 4,4 1:00 PMUV 4,7 2:00 PMUV 5,2 3:00 PMUV 4,6 4:00 PMUV 2,8 5:00 PMUV 1,6 6:00 PMUV 0,5

Today's weather health advice Open today's recommendations.

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Johnson City

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · JOHNSON CITY, TENNESSEE

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

78/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:52 PM–5:52 AM

☁ Cloud cover 25% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 69° high at the best hour.

✦ Estimated visible meteors 1–3/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min66%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Johnson City were last refreshed today at 2:30 AM. The current forecast period extends through 25/09/2026 at 12:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.