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Current weather in Karns is few clouds.

Where can I find the hourly weather forecast for Karns?

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

Is the weather forecast for Karns updated regularly?

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

Now · 2:45 PM

Karns Weather & Hourly Forecast

United States · Tennessee · 37931

90°F

Mostly sunny

Feels like: 95°F

💧 Humidity 49% 🌡 Pressure 30.15 inHg 💨 Wind 3 mph 👁 Visibility 6.4 mi ☁ Clouds 27% ☀️ UV index 8.1 · Very high 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Karns

Today

3:00 PM

Mostly sunny

90° 💧 0.006 in 💨 3 mph H 49%30.15 inHg

6:00 PM

Sunny

90° 💧 None 💨 2 mph H 47%30.15 inHg

9:00 PM

Clear night

82° 💧 None 💨 2 mph H 66%30.18 inHg

Tomorrow

12:00 AM

Clear night

77° 💧 None 💨 5 mph H 79%30.24 inHg

3:00 AM

Clear night

74° 💧 None 💨 7 mph H 81%30.24 inHg

6:00 AM

Clear night

73° 💧 None 💨 5 mph H 83%30.27 inHg

9:00 AM

Sunny

77° 💧 None 💨 4 mph H 77%30.33 inHg

12:00 PM

Sunny

85° 💧 0.005 in 💨 4 mph H 59%30.33 inHg

3:00 PM

Mostly sunny

90° 💧 0.008 in 💨 2 mph H 49%30.27 inHg

6:00 PM

Sunny

90° 💧 0.001 in 💨 3 mph H 44%30.21 inHg

9:00 PM

Clear night

81° 💧 None 💨 2 mph H 66%30.21 inHg

Thursday

12:00 AM

Clear night

78° 💧 None 💨 0 mph H 78%30.27 inHg

3:00 AM

Clear night

75° 💧 None 💨 4 mph H 82%30.24 inHg

6:00 AM

Clear night

73° 💧 None 💨 3 mph H 87%30.27 inHg

9:00 AM

Sunny

77° 💧 None 💨 4 mph H 75%30.27 inHg

12:00 PM

Sunny

88° 💧 0.001 in 💨 1 mph H 52%30.27 inHg

Today

3:00 PM

Mostly sunny

90° 💧 0.001 in 💨 3 mph H 49%30.15 inHg

4:00 PM

Light rain

90° 💧 0.004 in 💨 1 mph H 47%30.15 inHg

5:00 PM

Sunny

90° 💧 0.001 in 💨 1 mph H 46%30.15 inHg

6:00 PM

Sunny

90° 💧 None 💨 2 mph H 47%30.15 inHg

7:00 PM

Sunny

87° 💧 None 💨 2 mph H 57%30.15 inHg

8:00 PM

Clear night

84° 💧 None 💨 1 mph H 63%30.15 inHg

9:00 PM

Clear night

82° 💧 None 💨 2 mph H 66%30.18 inHg

10:00 PM

Clear night

80° 💧 None 💨 3 mph H 72%30.21 inHg

11:00 PM

Clear night

79° 💧 None 💨 4 mph H 76%30.24 inHg

Tomorrow

12:00 AM

Clear night

77° 💧 None 💨 5 mph H 79%30.24 inHg

1:00 AM

Clear night

76° 💧 None 💨 6 mph H 81%30.24 inHg

2:00 AM

Clear night

75° 💧 None 💨 6 mph H 81%30.24 inHg

3:00 AM

Clear night

74° 💧 None 💨 7 mph H 81%30.24 inHg

4:00 AM

Clear night

74° 💧 None 💨 7 mph H 81%30.27 inHg

5:00 AM

Clear night

74° 💧 None 💨 6 mph H 82%30.27 inHg

6:00 AM

Clear night

73° 💧 None 💨 5 mph H 83%30.27 inHg

7:00 AM

Clear night

72° 💧 None 💨 4 mph H 86%30.30 inHg

8:00 AM

Sunny

73° 💧 None 💨 4 mph H 85%30.33 inHg

9:00 AM

Sunny

77° 💧 None 💨 4 mph H 77%30.33 inHg

10:00 AM

Sunny

80° 💧 None 💨 4 mph H 69%30.33 inHg

11:00 AM

Sunny

82° 💧 None 💨 4 mph H 63%30.33 inHg

12:00 PM

Sunny

85° 💧 None 💨 4 mph H 59%30.33 inHg

1:00 PM

Mostly sunny

87° 💧 0.001 in 💨 2 mph H 54%30.30 inHg

2:00 PM

Light rain

88° 💧 0.004 in 💨 1 mph H 52%30.30 inHg

3:00 PM

Mostly sunny

90° 💧 0.003 in 💨 2 mph H 49%30.27 inHg

4:00 PM

Sunny

90° 💧 0.003 in 💨 2 mph H 46%30.24 inHg

5:00 PM

Sunny

90° 💧 0.002 in 💨 3 mph H 45%30.21 inHg

6:00 PM

Sunny

90° 💧 0.001 in 💨 3 mph H 44%30.21 inHg

7:00 PM

Sunny

88° 💧 None 💨 2 mph H 54%30.21 inHg

8:00 PM

Clear night

84° 💧 None 💨 1 mph H 61%30.21 inHg

9:00 PM

Clear night

81° 💧 None 💨 2 mph H 66%30.21 inHg

10:00 PM

Clear night

80° 💧 None 💨 3 mph H 72%30.24 inHg

11:00 PM

Clear night

79° 💧 None 💨 1 mph H 76%30.24 inHg

Thursday

12:00 AM

Clear night

78° 💧 None 💨 0 mph H 78%30.27 inHg

1:00 AM

Clear night

77° 💧 None 💨 1 mph H 81%30.27 inHg

2:00 AM

Clear night

76° 💧 None 💨 4 mph H 82%30.27 inHg

3:00 AM

Clear night

75° 💧 None 💨 4 mph H 82%30.24 inHg

4:00 AM

Clear night

74° 💧 None 💨 4 mph H 83%30.24 inHg

5:00 AM

Clear night

74° 💧 None 💨 3 mph H 85%30.24 inHg

6:00 AM

Clear night

73° 💧 None 💨 3 mph H 87%30.27 inHg

7:00 AM

Clear night

72° 💧 None 💨 3 mph H 89%30.27 inHg

8:00 AM

Sunny

73° 💧 None 💨 4 mph H 86%30.27 inHg

9:00 AM

Sunny

77° 💧 None 💨 4 mph H 75%30.27 inHg

10:00 AM

Sunny

81° 💧 None 💨 3 mph H 65%30.27 inHg

11:00 AM

Sunny

85° 💧 None 💨 2 mph H 57%30.30 inHg

12:00 PM

Sunny

88° 💧 None 💨 1 mph H 52%30.27 inHg

1:00 PM

Sunny

91° 💧 0.000 in 💨 1 mph H 48%30.24 inHg

2:00 PM

Mostly sunny

93° 💧 0.000 in 💨 1 mph H 45%30.21 inHg

3:00 PM

Mostly sunny

94° 💧 0.000 in 💨 1 mph H 44%30.18 inHg

4:00 PM

Mostly sunny

94° 💧 0.000 in 💨 2 mph H 43%30.15 inHg

5:00 PM

Partly cloudy

94° 💧 0.001 in 💨 4 mph H 42%30.12 inHg

6:00 PM

Light rain

89° 💧 0.039 in 💨 5 mph H 59%30.12 inHg

7:00 PM

Light rain

85° 💧 0.010 in 💨 5 mph H 70%30.12 inHg

8:00 PM

Clear night

82° 💧 0.000 in 💨 3 mph H 77%30.12 inHg

9:00 PM

Clear night

81° 💧 None 💨 2 mph H 81%30.15 inHg

10:00 PM

Clear night

81° 💧 None 💨 1 mph H 82%30.15 inHg

11:00 PM

Clear night

79° 💧 None 💨 1 mph H 87%30.15 inHg

Friday

12:00 AM

Clear night

79° 💧 None 💨 0 mph H 88%30.15 inHg

1:00 AM

Clear night

78° 💧 None 💨 0 mph H 87%30.12 inHg

2:00 AM

Clear night

78° 💧 None 💨 1 mph H 88%30.12 inHg

3:00 AM

Clear night

76° 💧 0.000 in 💨 1 mph H 91%30.12 inHg

4:00 AM

Clear night

75° 💧 None 💨 1 mph H 91%30.12 inHg

5:00 AM

Clear night

75° 💧 None 💨 1 mph H 92%30.12 inHg

6:00 AM

Clear night

74° 💧 None 💨 1 mph H 93%30.12 inHg

7:00 AM

Clear night

74° 💧 None 💨 2 mph H 94%30.12 inHg

8:00 AM

Sunny

75° 💧 None 💨 2 mph H 92%30.15 inHg

11:00 AM

Sunny

89° 💧 None 💨 2 mph H 50%30.15 inHg

2:00 PM

Mostly sunny

97° 💧 None 💨 6 mph H 32%30.06 inHg

5:00 PM

Mostly sunny

96° 💧 None 💨 7 mph H 34%29.97 inHg

8:00 PM

Mostly clear night

77° 💧 None 💨 7 mph H 84%30.06 inHg

11:00 PM

Light rain

77° 💧 None 💨 5 mph H 84%30.09 inHg

Saturday

2:00 AM

Mostly clear night

73° 💧 None 💨 4 mph H 92%30.03 inHg

5:00 AM

Clear night

72° 💧 None 💨 5 mph H 95%30.00 inHg

8:00 AM

Sunny

73° 💧 None 💨 4 mph H 96%30.03 inHg

11:00 AM

Mostly sunny

83° 💧 None 💨 2 mph H 66%30.03 inHg

2:00 PM

Mostly sunny

91° 💧 None 💨 1 mph H 49%29.97 inHg

5:00 PM

Mostly sunny

93° 💧 None 💨 2 mph H 42%29.91 inHg

8:00 PM

Mostly clear night

86° 💧 None 💨 2 mph H 55%29.91 inHg

11:00 PM

Clear night

81° 💧 None 💨 2 mph H 68%29.94 inHg

Sunday

2:00 AM

Mostly clear night

78° 💧 None 💨 6 mph H 78%29.97 inHg

5:00 AM

Mostly clear night

75° 💧 None 💨 7 mph H 81%29.94 inHg

8:00 AM

Sunny

75° 💧 None 💨 6 mph H 83%29.97 inHg

11:00 AM

Overcast

83° 💧 None 💨 8 mph H 62%30.00 inHg

2:00 PM

Mostly cloudy

87° 💧 None 💨 7 mph H 52%29.94 inHg

5:00 PM

Mostly sunny

92° 💧 None 💨 3 mph H 39%29.85 inHg

8:00 PM

Partly cloudy night

86° 💧 None 💨 3 mph H 47%29.88 inHg

11:00 PM

Partly cloudy night

81° 💧 None 💨 4 mph H 60%29.94 inHg

Monday

2:00 AM

Mostly clear night

79° 💧 None 💨 2 mph H 68%29.94 inHg

8:00 AM

Mostly cloudy

74° 💧 None 💨 1 mph H 99%29.97 inHg

2:00 PM

Mostly sunny

73° 💧 None 💨 4 mph H 95%30.00 inHg

8:00 PM

Light rain

88° 💧 None 💨 4 mph H 51%29.97 inHg

Tuesday

2:00 AM

Overcast night

77° 💧 None 💨 4 mph H 83%29.94 inHg

8:00 AM

Partly cloudy

71° 💧 None 💨 2 mph H 98%29.97 inHg

2:00 PM

Overcast

71° 💧 None 💨 2 mph H 98%30.03 inHg

8:00 PM

Mostly clear night

87° 💧 None 💨 5 mph H 54%29.97 inHg

Wednesday

2:00 AM

Overcast night

76° 💧 None 💨 4 mph H 83%29.97 inHg

8:00 AM

Mostly cloudy

71° 💧 None 💨 2 mph H 100%30.00 inHg

2:00 PM

Partly cloudy

69° 💧 None 💨 1 mph H 98%30.03 inHg

8:00 PM

Clear night

87° 💧 None 💨 3 mph H 51%30.00 inHg

Thursday

2:00 AM

Mostly clear night

78° 💧 None 💨 3 mph H 73%29.97 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 3 mph H 94%30.00 inHg

2:00 PM

Overcast

70° 💧 None 💨 2 mph H 96%30.03 inHg

8:00 PM

Mostly clear night

85° 💧 None 💨 3 mph H 43%30.00 inHg

Friday

2:00 AM

Mostly cloudy night

80° 💧 None 💨 5 mph H 47%29.97 inHg

8:00 AM

Sunny

71° 💧 None 💨 5 mph H 69%29.97 inHg

2:00 PM

Sunny

68° 💧 None 💨 5 mph H 85%30.03 inHg

8:00 PM

Clear night

87° 💧 None 💨 4 mph H 37%29.97 inHg

Saturday

2:00 AM

Mostly clear night

82° 💧 None 💨 7 mph H 42%29.94 inHg

8:00 AM

Sunny

72° 💧 None 💨 5 mph H 66%29.94 inHg

2:00 PM

Mostly sunny

69° 💧 None 💨 3 mph H 80%29.94 inHg

8:00 PM

Mostly cloudy night

85° 💧 None 💨 7 mph H 42%29.91 inHg

Sunday

2:00 AM

Overcast night

81° 💧 None 💨 1 mph H 54%29.83 inHg

8:00 AM

Light rain

70° 💧 None 💨 6 mph H 98%29.85 inHg

2:00 PM

Light rain

68° 💧 None 💨 6 mph H 96%29.85 inHg

8:00 PM

Light rain

77° 💧 None 💨 10 mph H 60%29.85 inHg

Monday

2:00 AM

Clear night

71° 💧 None 💨 10 mph H 60%29.91 inHg

8:00 AM

Sunny

62° 💧 None 💨 9 mph H 57%30.00 inHg

2:00 PM

Sunny

57° 💧 None 💨 7 mph H 77%30.06 inHg

8:00 PM

Clear night

74° 💧 None 💨 10 mph H 41%30.06 inHg

Tuesday

2:00 AM

Clear night

68° 💧 None 💨 6 mph H 56%30.03 inHg

8:00 AM

Sunny

60° 💧 None 💨 6 mph H 68%30.09 inHg

2:00 PM

Mostly sunny

56° 💧 None 💨 5 mph H 83%30.18 inHg

8:00 PM

Mostly cloudy night

74° 💧 None 💨 6 mph H 38%30.15 inHg

Wednesday

2:00 AM

Mostly clear night

67° 💧 None 💨 6 mph H 45%30.12 inHg

In Karns and, more broadly, across the state of Tennessee: The rest of the day will feature clear skies, with temperatures climbing into the high 70s and reaching up to the low 90s. It will be a hot afternoon, so staying hydrated and protecting yourself from the sun is advisable. Winds will be moderate from the south, blowing at around 10 mph with gusts up to 10 mph. No rain is expected, so outdoor activities should be comfortable and dry. The weather conditions are typical for a warm and sunny afternoon, making it a good time to enjoy outdoor plans while taking precautions against the heat.

15-Day Weather Outlook for Karns

TomorrowTomorrow

Mostly sunny 93°/73° 💧 None 💨 6 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 95°/73° 💧 None 💨 5 mph

Friday, Sep 18Fri Sep 18

Light rain 97°/76° 💧 0.111 in 💨 7 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 93°/72° 💧 0.008 in 💨 5 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 92°/75° 💧 None 💨 8 mph

Monday, Sep 21Mon Sep 21

Light rain 88°/73° 💧 0.130 in 💨 4 mph

Tuesday, Sep 22Tue Sep 22

Mostly sunny 87°/71° 💧 0.195 in 💨 5 mph

Wednesday, Sep 23Wed Sep 23

Overcast 87°/69° 💧 0.045 in 💨 4 mph

Thursday, Sep 24Thu Sep 24

Mostly sunny 85°/70° 💧 0.021 in 💨 3 mph

Friday, Sep 25Fri Sep 25

Mostly cloudy 87°/68° 💧 None 💨 5 mph

Saturday, Sep 26Sat Sep 26

Mostly cloudy 85°/69° 💧 0.005 in 💨 7 mph

Sunday, Sep 27Sun Sep 27

Light rain 81°/68° 💧 0.222 in 💨 10 mph

Monday, Sep 28Mon Sep 28

Sunny 74°/57° 💧 0.004 in 💨 10 mph

Tuesday, Sep 29Tue Sep 29

Mostly sunny 74°/56° 💧 None 💨 6 mph

Wednesday, Sep 30Wed Sep 30

Mostly sunny 67°/67° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Karns

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Karns

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 3:00 PM

PM2.5 Fine particles Good 6,5µg/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 7,7µg/m³

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

O₃ Ozone Fair 85,0µg/m³

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

NO₂ Nitrogen dioxide Good 1,1µg/m³

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

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Karns

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 8,1Very high 🙂Fair

Tomorrow UV 7,8High 🙂Fair

Thursday UV 8,0Very high 😐Moderate

Friday UV 8,0Very high 😐Moderate

Saturday UV 8,0Very high 🙂Fair

Sunday UV 7,0High —Unavailable

Monday UV 6,0High —Unavailable

Hourly UV index today

3:00 PMUV 6,9 4:00 PMUV 4,8 5:00 PMUV 2,7 6:00 PMUV 1,0 7:00 PMUV 0,2

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

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Karns

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · KARNS, TENNESSEE

Tonight's Stargazing & Shooting Stars

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

100/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 9:10 PM–5:53 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 21% Waxing Crescent · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 86° high at the best hour.

✦ Estimated visible meteors 2–5/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min81%

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

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

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

UPCOMING

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

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 Karns were last refreshed today at 2:45 PM. The current forecast period extends through 17/09/2026 at 12:00 PM. 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.