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Current weather in Walnut Hill is clear sky.

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

Now · 11:58 AM

Walnut Hill Weather & Hourly Forecast

United States · Tennessee · 37620

81°F

Sunny

Feels like: 81°F

💧 Humidity 59% 🌡 Pressure 30.09 inHg 💨 Wind 10 mph 👁 Visibility 22.3 mi ☁ Clouds 0% ☀️ UV index 4.8 · Moderate 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Walnut Hill

Today

12:00 PM

Sunny

81° 💧 0.007 in 💨 10 mph H 59%30.09 inHg

3:00 PM

Light rain

84° 💧 0.052 in 💨 10 mph H 52%30.00 inHg

6:00 PM

Sunny

81° 💧 0.002 in 💨 6 mph H 63%29.94 inHg

9:00 PM

Overcast night

75° 💧 None 💨 2 mph H 79%29.97 inHg

Tomorrow

12:00 AM

Clear night

72° 💧 None 💨 3 mph H 83%29.97 inHg

3:00 AM

Clear night

70° 💧 None 💨 0 mph H 86%29.94 inHg

6:00 AM

Clear night

67° 💧 None 💨 2 mph H 92%29.97 inHg

9:00 AM

Mostly sunny

73° 💧 0.000 in 💨 1 mph H 79%30.00 inHg

12:00 PM

Overcast

81° 💧 0.001 in 💨 3 mph H 61%30.00 inHg

3:00 PM

Light thunderstorms

85° 💧 0.006 in 💨 4 mph H 55%29.94 inHg

6:00 PM

Light rain

78° 💧 0.040 in 💨 11 mph H 71%29.94 inHg

9:00 PM

Mostly cloudy night

71° 💧 0.000 in 💨 7 mph H 92%29.97 inHg

Saturday

12:00 AM

Partly cloudy night

69° 💧 None 💨 5 mph H 94%29.97 inHg

3:00 AM

Mostly cloudy night

68° 💧 None 💨 4 mph H 95%29.94 inHg

6:00 AM

Overcast night

67° 💧 None 💨 5 mph H 96%30.00 inHg

9:00 AM

Mostly cloudy

72° 💧 None 💨 2 mph H 85%30.03 inHg

Today

12:00 PM

Sunny

81° 💧 None 💨 10 mph H 59%30.09 inHg

1:00 PM

Mostly sunny

84° 💧 None 💨 11 mph H 53%30.09 inHg

2:00 PM

Light rain

84° 💧 0.007 in 💨 10 mph H 52%30.03 inHg

3:00 PM

Light rain

84° 💧 0.021 in 💨 10 mph H 52%30.00 inHg

4:00 PM

Light rain

85° 💧 0.013 in 💨 10 mph H 50%29.97 inHg

5:00 PM

Light rain

82° 💧 0.018 in 💨 11 mph H 59%29.97 inHg

6:00 PM

Sunny

81° 💧 0.002 in 💨 6 mph H 63%29.94 inHg

7:00 PM

Sunny

80° 💧 None 💨 3 mph H 69%29.94 inHg

8:00 PM

Mostly clear night

76° 💧 None 💨 3 mph H 78%29.94 inHg

9:00 PM

Overcast night

75° 💧 None 💨 2 mph H 79%29.97 inHg

10:00 PM

Mostly clear night

75° 💧 None 💨 2 mph H 79%29.97 inHg

11:00 PM

Clear night

74° 💧 None 💨 3 mph H 81%29.97 inHg

Tomorrow

12:00 AM

Clear night

72° 💧 None 💨 3 mph H 83%29.97 inHg

1:00 AM

Clear night

71° 💧 None 💨 2 mph H 84%29.97 inHg

2:00 AM

Clear night

71° 💧 None 💨 0 mph H 85%29.94 inHg

3:00 AM

Clear night

70° 💧 None 💨 0 mph H 86%29.94 inHg

4:00 AM

Clear night

69° 💧 None 💨 1 mph H 89%29.94 inHg

5:00 AM

Clear night

68° 💧 None 💨 1 mph H 90%29.97 inHg

6:00 AM

Clear night

67° 💧 None 💨 2 mph H 92%29.97 inHg

7:00 AM

Clear night

67° 💧 None 💨 1 mph H 91%30.00 inHg

8:00 AM

Mostly sunny

69° 💧 None 💨 2 mph H 87%30.00 inHg

9:00 AM

Mostly sunny

73° 💧 None 💨 1 mph H 79%30.00 inHg

10:00 AM

Partly cloudy

77° 💧 0.000 in 💨 2 mph H 72%30.03 inHg

11:00 AM

Overcast

80° 💧 None 💨 2 mph H 65%30.00 inHg

12:00 PM

Overcast

81° 💧 0.000 in 💨 3 mph H 61%30.00 inHg

1:00 PM

Partly cloudy

82° 💧 0.000 in 💨 4 mph H 59%29.97 inHg

2:00 PM

Strong thunderstorm

84° 💧 0.001 in 💨 4 mph H 56%29.97 inHg

3:00 PM

Light thunderstorms

85° 💧 0.002 in 💨 4 mph H 55%29.94 inHg

4:00 PM

Mostly sunny

85° 💧 0.002 in 💨 4 mph H 53%29.91 inHg

5:00 PM

Partly cloudy

85° 💧 0.001 in 💨 5 mph H 52%29.88 inHg

6:00 PM

Light rain

78° 💧 0.016 in 💨 11 mph H 71%29.94 inHg

7:00 PM

Light rain

73° 💧 0.022 in 💨 9 mph H 90%29.94 inHg

8:00 PM

Overcast night

72° 💧 0.002 in 💨 7 mph H 93%29.97 inHg

9:00 PM

Mostly cloudy night

71° 💧 0.000 in 💨 7 mph H 92%29.97 inHg

10:00 PM

Mostly cloudy night

71° 💧 None 💨 5 mph H 93%29.97 inHg

11:00 PM

Mostly clear night

70° 💧 None 💨 6 mph H 94%29.97 inHg

Saturday

12:00 AM

Partly cloudy night

69° 💧 None 💨 5 mph H 94%29.97 inHg

1:00 AM

Mostly clear night

69° 💧 None 💨 5 mph H 95%29.97 inHg

2:00 AM

Partly cloudy night

68° 💧 None 💨 4 mph H 95%29.97 inHg

3:00 AM

Mostly cloudy night

68° 💧 None 💨 4 mph H 95%29.94 inHg

4:00 AM

Overcast night

67° 💧 None 💨 5 mph H 95%29.94 inHg

5:00 AM

Overcast night

67° 💧 None 💨 5 mph H 96%29.97 inHg

6:00 AM

Overcast night

67° 💧 None 💨 5 mph H 96%30.00 inHg

7:00 AM

Overcast night

66° 💧 None 💨 5 mph H 96%30.00 inHg

8:00 AM

Overcast

68° 💧 None 💨 5 mph H 92%30.03 inHg

9:00 AM

Mostly cloudy

72° 💧 None 💨 2 mph H 85%30.03 inHg

10:00 AM

Partly cloudy

77° 💧 None 💨 1 mph H 73%30.03 inHg

11:00 AM

Mostly cloudy

80° 💧 None 💨 3 mph H 64%30.03 inHg

12:00 PM

Partly cloudy

83° 💧 None 💨 4 mph H 59%30.03 inHg

1:00 PM

Mostly sunny

85° 💧 None 💨 4 mph H 55%30.00 inHg

2:00 PM

Sunny

86° 💧 0.000 in 💨 4 mph H 52%29.97 inHg

3:00 PM

Mostly sunny

87° 💧 0.003 in 💨 4 mph H 50%29.94 inHg

4:00 PM

Light rain

86° 💧 0.006 in 💨 5 mph H 48%29.91 inHg

5:00 PM

Light rain

83° 💧 0.030 in 💨 6 mph H 59%29.94 inHg

6:00 PM

Light rain

82° 💧 0.005 in 💨 7 mph H 62%29.94 inHg

7:00 PM

Light rain

80° 💧 0.011 in 💨 5 mph H 69%29.97 inHg

8:00 PM

Light thunderstorms

72° 💧 0.082 in 💨 9 mph H 91%30.03 inHg

Sunday

5:00 AM

Mostly cloudy night

70° 💧 None 💨 1 mph H 98%30.03 inHg

8:00 AM

Mostly sunny

70° 💧 None 💨 2 mph H 97%30.09 inHg

11:00 AM

Light rain

75° 💧 None 💨 3 mph H 85%30.12 inHg

2:00 PM

Overcast

79° 💧 None 💨 2 mph H 72%30.06 inHg

5:00 PM

Mostly sunny

81° 💧 None 💨 3 mph H 68%30.00 inHg

8:00 PM

Mostly clear night

76° 💧 None 💨 1 mph H 83%30.03 inHg

11:00 PM

Clear night

73° 💧 None 💨 0 mph H 89%30.09 inHg

Monday

2:00 AM

Partly cloudy night

69° 💧 None 💨 2 mph H 95%30.06 inHg

5:00 AM

Mostly clear night

67° 💧 None 💨 2 mph H 98%30.06 inHg

8:00 AM

Overcast

66° 💧 None 💨 2 mph H 99%30.12 inHg

11:00 AM

Sunny

78° 💧 None 💨 1 mph H 76%30.15 inHg

2:00 PM

Mostly sunny

84° 💧 None 💨 1 mph H 59%30.09 inHg

5:00 PM

Sunny

86° 💧 None 💨 2 mph H 54%30.03 inHg

8:00 PM

Clear night

79° 💧 None 💨 2 mph H 72%30.06 inHg

11:00 PM

Clear night

73° 💧 None 💨 3 mph H 84%30.12 inHg

Tuesday

2:00 AM

Clear night

71° 💧 None 💨 5 mph H 89%30.09 inHg

5:00 AM

Clear night

68° 💧 None 💨 4 mph H 93%30.12 inHg

8:00 AM

Mostly sunny

69° 💧 None 💨 5 mph H 89%30.18 inHg

11:00 AM

Sunny

83° 💧 None 💨 3 mph H 60%30.21 inHg

2:00 PM

Sunny

88° 💧 None 💨 5 mph H 51%30.18 inHg

5:00 PM

Sunny

88° 💧 None 💨 2 mph H 46%30.12 inHg

8:00 PM

Clear night

80° 💧 None 💨 1 mph H 66%30.12 inHg

11:00 PM

Clear night

75° 💧 None 💨 5 mph H 81%30.21 inHg

Wednesday

2:00 AM

Clear night

71° 💧 None 💨 3 mph H 88%30.21 inHg

8:00 AM

Mostly sunny

69° 💧 None 💨 4 mph H 94%30.27 inHg

2:00 PM

Mostly sunny

68° 💧 None 💨 4 mph H 95%30.30 inHg

8:00 PM

Light rain

86° 💧 None 💨 3 mph H 57%30.24 inHg

Thursday

2:00 AM

Clear night

79° 💧 None 💨 5 mph H 71%30.15 inHg

8:00 AM

Sunny

71° 💧 None 💨 3 mph H 95%30.21 inHg

2:00 PM

Mostly sunny

68° 💧 None 💨 3 mph H 95%30.21 inHg

8:00 PM

Clear night

87° 💧 None 💨 2 mph H 54%30.12 inHg

Friday

2:00 AM

Clear night

79° 💧 None 💨 4 mph H 73%30.00 inHg

8:00 AM

Overcast

69° 💧 None 💨 4 mph H 98%30.06 inHg

2:00 PM

Overcast

69° 💧 None 💨 2 mph H 98%30.06 inHg

8:00 PM

Light rain

71° 💧 None 💨 9 mph H 88%30.03 inHg

Saturday

2:00 AM

Overcast night

68° 💧 None 💨 9 mph H 80%30.03 inHg

8:00 AM

Moderate rain

62° 💧 None 💨 8 mph H 97%30.03 inHg

2:00 PM

Partly cloudy

63° 💧 None 💨 7 mph H 96%30.06 inHg

8:00 PM

Partly cloudy night

75° 💧 None 💨 10 mph H 63%30.03 inHg

Sunday

2:00 AM

Partly cloudy night

68° 💧 None 💨 9 mph H 72%30.03 inHg

8:00 AM

Mostly sunny

62° 💧 None 💨 3 mph H 85%30.06 inHg

2:00 PM

Mostly sunny

62° 💧 None 💨 5 mph H 88%30.09 inHg

8:00 PM

Light rain

77° 💧 None 💨 6 mph H 57%30.03 inHg

Monday

2:00 AM

Mostly clear night

68° 💧 None 💨 2 mph H 88%30.06 inHg

8:00 AM

Sunny

62° 💧 None 💨 5 mph H 88%30.09 inHg

2:00 PM

Sunny

57° 💧 None 💨 5 mph H 84%30.15 inHg

8:00 PM

Partly cloudy night

75° 💧 None 💨 6 mph H 41%30.12 inHg

Tuesday

2:00 AM

Mostly clear night

65° 💧 None 💨 8 mph H 51%30.12 inHg

8:00 AM

Mostly cloudy

59° 💧 None 💨 5 mph H 64%30.15 inHg

2:00 PM

Overcast

57° 💧 None 💨 5 mph H 73%30.21 inHg

8:00 PM

Overcast night

77° 💧 None 💨 6 mph H 55%30.15 inHg

Wednesday

2:00 AM

Overcast night

70° 💧 None 💨 6 mph H 71%30.12 inHg

8:00 AM

Mostly cloudy

65° 💧 None 💨 5 mph H 81%30.12 inHg

2:00 PM

Overcast

64° 💧 None 💨 4 mph H 84%30.15 inHg

8:00 PM

Mostly cloudy night

75° 💧 None 💨 3 mph H 61%30.06 inHg

Thursday

2:00 AM

Mostly clear night

71° 💧 None 💨 3 mph H 77%30.00 inHg

8:00 AM

Mostly cloudy

67° 💧 None 💨 4 mph H 83%30.03 inHg

2:00 PM

Sunny

62° 💧 None 💨 4 mph H 89%30.06 inHg

8:00 PM

Mostly cloudy night

79° 💧 None 💨 6 mph H 40%30.03 inHg

Friday

2:00 AM

Overcast night

70° 💧 None 💨 5 mph H 57%30.03 inHg

In Walnut Hill and, more broadly, across the state of Tennessee: The rest of the day will be mostly sunny with a few clouds, accompanied by hot temperatures ranging from 76 to 88 degrees Fahrenheit. Expect light south winds at speeds up to 8 mph, with occasional gusts reaching 9 mph. No precipitation is anticipated, so outdoor activities should proceed without weather-related concerns. As the day progresses, temperatures may remain steady or slightly climb, making it a warm afternoon. Remember to stay hydrated and protect yourself from the sun if spending time outdoors. Overall, it looks like a warm and dry day ahead.

15-Day Weather Outlook for Walnut Hill

TomorrowTomorrow

Strong thunderstorm 85°/67° 💧 None 💨 11 mph

Saturday, Sep 12Sat Sep 12

Overcast 87°/66° 💧 None 💨 7 mph

Sunday, Sep 13Sun Sep 13

Light thunderstorms 81°/70° 💧 0.498 in 💨 9 mph

Monday, Sep 14Mon Sep 14

Mostly sunny 86°/66° 💧 0.002 in 💨 2 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 88°/68° 💧 0.002 in 💨 5 mph

Wednesday, Sep 16Wed Sep 16

Mostly sunny 80°/68° 💧 0.120 in 💨 5 mph

Thursday, Sep 17Thu Sep 17

Light rain 86°/68° 💧 0.016 in 💨 5 mph

Friday, Sep 18Fri Sep 18

Overcast 87°/69° 💧 0.171 in 💨 4 mph

Saturday, Sep 19Sat Sep 19

Moderate rain 71°/62° 💧 1.153 in 💨 9 mph

Sunday, Sep 20Sun Sep 20

Partly cloudy 75°/62° 💧 0.002 in 💨 10 mph

Monday, Sep 21Mon Sep 21

Light rain 77°/57° 💧 0.059 in 💨 6 mph

Tuesday, Sep 22Tue Sep 22

Partly cloudy 75°/57° 💧 None 💨 8 mph

Wednesday, Sep 23Wed Sep 23

Overcast 77°/64° 💧 0.002 in 💨 6 mph

Thursday, Sep 24Thu Sep 24

Mostly cloudy 75°/62° 💧 0.001 in 💨 4 mph

Friday, Sep 25Fri Sep 25

Mostly cloudy 79°/70° 💧 None 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Walnut Hill

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Walnut Hill

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 12:00 PM

PM2.5 Fine particles Good 5,9µg/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 8,1µg/m³

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

O₃ Ozone Fair 66,1µg/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 acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Walnut Hill

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 7,0High 😐Moderate

Saturday UV 7,8High 😊Good

Sunday UV 7,5High 🙂Fair

Monday UV 7,0High 😊Good

Tuesday UV 7,0High —Unavailable

Wednesday UV 8,0Very high —Unavailable

Hourly UV index today

12:00 PMUV 6,8 1:00 PMUV 8,1 2:00 PMUV 8,0 3:00 PMUV 6,0 4:00 PMUV 4,1 5:00 PMUV 1,5 6:00 PMUV 0,5 7:00 PMUV 0,1

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 Walnut Hill

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · WALNUT HILL, TENNESSEE

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

97/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 9:12 PM–5:40 AM

☁ Cloud cover 1% Real hourly forecast for the best viewing hour.

☾ Moonlight 0% New Moon · Moon below the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 74° 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 min79%

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.

DISCOVER WEATHER NEARBY Weather in other cities

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Forecast data for Walnut Hill were last refreshed today at 11:58 AM. The current forecast period extends through 12/09/2026 at 9:00 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.