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Current weather in Powell is thunderstorm.

Where can I find the hourly weather forecast for Powell?

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Is the weather forecast for Powell updated regularly?

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

Now · 10:43 AM

Powell Weather & Hourly Forecast

United States · Tennessee · 37849

89°F

Strong thunderstorm

Feels like: 95°F

💧 Humidity 55% 🌡 Pressure 29.94 inHg 💨 Wind 2 mph 👁 Visibility 21.4 mi ☁ Clouds 20% ☀️ UV index 2.6 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Powell

Today

11:00 AM

Strong thunderstorm

89° 💧 0.00 in 💨 2 mph H 55%29.94 inHg

2:00 PM

Light thunderstorms

95° 💧 0.02 in 💨 3 mph H 41%29.88 inHg

5:00 PM

Light thunderstorms

93° 💧 0.05 in 💨 8 mph H 42%29.83 inHg

8:00 PM

Light rain

81° 💧 0.01 in 💨 3 mph H 77%29.85 inHg

11:00 PM

Mostly clear night

77° 💧 0.00 in 💨 4 mph H 86%29.91 inHg

Tomorrow

2:00 AM

Clear night

75° 💧 None 💨 3 mph H 93%29.88 inHg

5:00 AM

Clear night

73° 💧 None 💨 3 mph H 96%29.88 inHg

8:00 AM

Partly cloudy

73° 💧 None 💨 3 mph H 94%29.91 inHg

11:00 AM

Sunny

84° 💧 0.01 in 💨 2 mph H 64%29.91 inHg

2:00 PM

Mostly cloudy

88° 💧 0.02 in 💨 4 mph H 54%29.88 inHg

5:00 PM

Mostly sunny

89° 💧 0.05 in 💨 7 mph H 49%29.83 inHg

8:00 PM

Mostly clear night

82° 💧 0.01 in 💨 6 mph H 62%29.85 inHg

11:00 PM

Partly cloudy night

77° 💧 None 💨 6 mph H 78%29.94 inHg

Monday

2:00 AM

Clear night

74° 💧 0.00 in 💨 5 mph H 82%29.94 inHg

5:00 AM

Mostly clear night

72° 💧 0.00 in 💨 4 mph H 83%29.97 inHg

8:00 AM

Mostly cloudy

72° 💧 0.01 in 💨 5 mph H 88%30.03 inHg

Today

11:00 AM

Strong thunderstorm

89° 💧 0.00 in 💨 2 mph H 55%29.94 inHg

12:00 PM

Strong thunderstorm

92° 💧 0.00 in 💨 0 mph H 47%29.94 inHg

1:00 PM

Light thunderstorms

94° 💧 0.00 in 💨 1 mph H 43%29.91 inHg

2:00 PM

Light thunderstorms

95° 💧 0.00 in 💨 3 mph H 41%29.88 inHg

3:00 PM

Strong thunderstorm

96° 💧 0.00 in 💨 4 mph H 38%29.85 inHg

4:00 PM

Light thunderstorms

92° 💧 0.02 in 💨 7 mph H 46%29.85 inHg

5:00 PM

Light thunderstorms

93° 💧 0.01 in 💨 8 mph H 42%29.83 inHg

6:00 PM

Partly cloudy

93° 💧 0.00 in 💨 6 mph H 40%29.83 inHg

7:00 PM

Light thunderstorms

81° 💧 0.04 in 💨 9 mph H 74%29.88 inHg

8:00 PM

Light rain

81° 💧 0.01 in 💨 3 mph H 77%29.85 inHg

9:00 PM

Mostly clear night

80° 💧 0.00 in 💨 3 mph H 84%29.88 inHg

10:00 PM

Mostly clear night

79° 💧 None 💨 5 mph H 87%29.88 inHg

11:00 PM

Mostly clear night

77° 💧 0.00 in 💨 4 mph H 86%29.91 inHg

Tomorrow

12:00 AM

Partly cloudy night

76° 💧 0.00 in 💨 2 mph H 90%29.88 inHg

1:00 AM

Clear night

75° 💧 None 💨 3 mph H 92%29.88 inHg

2:00 AM

Clear night

75° 💧 None 💨 3 mph H 93%29.88 inHg

3:00 AM

Clear night

74° 💧 None 💨 3 mph H 95%29.88 inHg

4:00 AM

Clear night

73° 💧 None 💨 3 mph H 96%29.88 inHg

5:00 AM

Clear night

73° 💧 None 💨 3 mph H 96%29.88 inHg

6:00 AM

Mostly clear night

72° 💧 None 💨 3 mph H 97%29.88 inHg

7:00 AM

Mostly clear night

72° 💧 None 💨 3 mph H 98%29.88 inHg

8:00 AM

Partly cloudy

73° 💧 None 💨 3 mph H 94%29.91 inHg

9:00 AM

Mostly sunny

75° 💧 None 💨 3 mph H 87%29.91 inHg

10:00 AM

Sunny

80° 💧 None 💨 2 mph H 74%29.91 inHg

11:00 AM

Sunny

84° 💧 None 💨 2 mph H 64%29.91 inHg

12:00 PM

Light rain

86° 💧 0.01 in 💨 4 mph H 58%29.91 inHg

1:00 PM

Mostly cloudy

87° 💧 0.00 in 💨 5 mph H 56%29.88 inHg

2:00 PM

Mostly cloudy

88° 💧 0.00 in 💨 4 mph H 54%29.88 inHg

3:00 PM

Light thunderstorms

87° 💧 0.00 in 💨 7 mph H 54%29.85 inHg

4:00 PM

Light rain

88° 💧 0.01 in 💨 6 mph H 51%29.85 inHg

5:00 PM

Mostly sunny

89° 💧 0.00 in 💨 7 mph H 49%29.83 inHg

6:00 PM

Light rain

85° 💧 0.04 in 💨 8 mph H 59%29.83 inHg

7:00 PM

Light rain

85° 💧 0.01 in 💨 7 mph H 55%29.83 inHg

8:00 PM

Mostly clear night

82° 💧 0.00 in 💨 6 mph H 62%29.85 inHg

9:00 PM

Light rain

79° 💧 0.00 in 💨 6 mph H 72%29.88 inHg

10:00 PM

Mostly clear night

78° 💧 0.00 in 💨 7 mph H 75%29.91 inHg

11:00 PM

Partly cloudy night

77° 💧 None 💨 6 mph H 78%29.94 inHg

Monday

12:00 AM

Clear night

76° 💧 None 💨 6 mph H 79%29.94 inHg

1:00 AM

Clear night

75° 💧 None 💨 6 mph H 82%29.94 inHg

2:00 AM

Clear night

74° 💧 None 💨 5 mph H 82%29.94 inHg

3:00 AM

Mostly clear night

73° 💧 None 💨 5 mph H 81%29.94 inHg

4:00 AM

Mostly clear night

72° 💧 0.00 in 💨 5 mph H 81%29.94 inHg

5:00 AM

Mostly clear night

72° 💧 0.00 in 💨 4 mph H 83%29.97 inHg

6:00 AM

Partly cloudy night

71° 💧 0.00 in 💨 4 mph H 86%29.97 inHg

7:00 AM

Mostly cloudy night

71° 💧 None 💨 4 mph H 88%30.00 inHg

8:00 AM

Mostly cloudy

72° 💧 0.00 in 💨 5 mph H 88%30.03 inHg

9:00 AM

Overcast

74° 💧 0.00 in 💨 5 mph H 83%30.03 inHg

10:00 AM

Mostly cloudy

75° 💧 0.00 in 💨 4 mph H 78%30.03 inHg

11:00 AM

Overcast

78° 💧 0.00 in 💨 4 mph H 70%30.06 inHg

12:00 PM

Mostly cloudy

82° 💧 0.00 in 💨 4 mph H 62%30.06 inHg

1:00 PM

Partly cloudy

82° 💧 0.00 in 💨 6 mph H 61%30.06 inHg

2:00 PM

Mostly sunny

83° 💧 0.00 in 💨 5 mph H 58%30.03 inHg

3:00 PM

Sunny

85° 💧 0.00 in 💨 5 mph H 55%30.03 inHg

4:00 PM

Mostly sunny

86° 💧 0.00 in 💨 4 mph H 53%30.00 inHg

5:00 PM

Mostly sunny

87° 💧 0.00 in 💨 3 mph H 52%30.00 inHg

6:00 PM

Mostly sunny

86° 💧 0.00 in 💨 4 mph H 52%30.00 inHg

7:00 PM

Light rain

80° 💧 0.02 in 💨 5 mph H 67%30.03 inHg

8:00 PM

Light rain

75° 💧 0.05 in 💨 4 mph H 82%30.03 inHg

Tuesday

5:00 AM

Clear night

69° 💧 None 💨 3 mph H 86%30.15 inHg

8:00 AM

Sunny

69° 💧 None 💨 5 mph H 87%30.18 inHg

11:00 AM

Sunny

80° 💧 None 💨 2 mph H 61%30.21 inHg

2:00 PM

Light rain

87° 💧 None 💨 3 mph H 48%30.18 inHg

5:00 PM

Light rain

88° 💧 None 💨 4 mph H 45%30.12 inHg

8:00 PM

Partly cloudy night

82° 💧 None 💨 1 mph H 62%30.12 inHg

11:00 PM

Mostly cloudy night

78° 💧 None 💨 4 mph H 75%30.18 inHg

Wednesday

2:00 AM

Partly cloudy night

75° 💧 None 💨 5 mph H 70%30.18 inHg

5:00 AM

Mostly clear night

72° 💧 None 💨 3 mph H 81%30.18 inHg

8:00 AM

Mostly sunny

73° 💧 None 💨 4 mph H 78%30.24 inHg

11:00 AM

Mostly sunny

82° 💧 None 💨 3 mph H 58%30.24 inHg

2:00 PM

Mostly sunny

88° 💧 None 💨 3 mph H 44%30.18 inHg

5:00 PM

Sunny

90° 💧 None 💨 3 mph H 41%30.09 inHg

8:00 PM

Clear night

84° 💧 None 💨 2 mph H 56%30.06 inHg

11:00 PM

Clear night

79° 💧 None 💨 4 mph H 67%30.09 inHg

Thursday

2:00 AM

Clear night

76° 💧 None 💨 4 mph H 76%30.09 inHg

5:00 AM

Clear night

74° 💧 None 💨 5 mph H 81%30.06 inHg

8:00 AM

Sunny

74° 💧 None 💨 7 mph H 80%30.09 inHg

11:00 AM

Sunny

84° 💧 None 💨 8 mph H 60%30.06 inHg

2:00 PM

Mostly sunny

91° 💧 None 💨 7 mph H 45%30.00 inHg

5:00 PM

Mostly sunny

91° 💧 None 💨 6 mph H 41%29.85 inHg

8:00 PM

Mostly clear night

77° 💧 None 💨 3 mph H 82%29.91 inHg

11:00 PM

Partly cloudy night

74° 💧 None 💨 3 mph H 87%29.94 inHg

Friday

2:00 AM

Light rain

73° 💧 None 💨 3 mph H 94%29.91 inHg

8:00 AM

Partly cloudy

74° 💧 None 💨 2 mph H 91%29.91 inHg

2:00 PM

Mostly sunny

71° 💧 None 💨 5 mph H 91%29.94 inHg

8:00 PM

Clear night

86° 💧 None 💨 5 mph H 46%29.91 inHg

Saturday

2:00 AM

Clear night

79° 💧 None 💨 6 mph H 41%29.85 inHg

8:00 AM

Mostly sunny

68° 💧 None 💨 6 mph H 60%29.91 inHg

2:00 PM

Sunny

65° 💧 None 💨 5 mph H 73%29.94 inHg

8:00 PM

Clear night

89° 💧 None 💨 6 mph H 27%29.91 inHg

Sunday

2:00 AM

Clear night

84° 💧 None 💨 1 mph H 30%29.85 inHg

8:00 AM

Sunny

76° 💧 None 💨 3 mph H 57%29.91 inHg

2:00 PM

Sunny

75° 💧 None 💨 7 mph H 70%29.97 inHg

8:00 PM

Clear night

94° 💧 None 💨 10 mph H 40%29.91 inHg

Monday

2:00 AM

Overcast night

79° 💧 None 💨 7 mph H 78%29.97 inHg

8:00 AM

Mostly cloudy

74° 💧 None 💨 2 mph H 97%30.03 inHg

2:00 PM

Mostly sunny

69° 💧 None 💨 9 mph H 89%30.09 inHg

8:00 PM

Clear night

82° 💧 None 💨 8 mph H 31%30.12 inHg

Tuesday

2:00 AM

Clear night

74° 💧 None 💨 9 mph H 41%30.09 inHg

8:00 AM

Sunny

65° 💧 None 💨 7 mph H 56%30.18 inHg

2:00 PM

Mostly sunny

61° 💧 None 💨 8 mph H 67%30.24 inHg

8:00 PM

Clear night

81° 💧 None 💨 9 mph H 24%30.21 inHg

Wednesday

2:00 AM

Clear night

76° 💧 None 💨 6 mph H 34%30.18 inHg

8:00 AM

Sunny

66° 💧 None 💨 7 mph H 57%30.24 inHg

2:00 PM

Sunny

62° 💧 None 💨 6 mph H 70%30.33 inHg

8:00 PM

Partly cloudy night

86° 💧 None 💨 3 mph H 24%30.27 inHg

Thursday

2:00 AM

Mostly clear night

80° 💧 None 💨 4 mph H 27%30.21 inHg

8:00 AM

Sunny

69° 💧 None 💨 6 mph H 49%30.27 inHg

2:00 PM

Mostly sunny

65° 💧 None 💨 1 mph H 70%30.30 inHg

8:00 PM

Clear night

89° 💧 None 💨 8 mph H 27%30.21 inHg

Friday

2:00 AM

Mostly cloudy night

83° 💧 None 💨 3 mph H 31%30.12 inHg

8:00 AM

Partly cloudy

74° 💧 None 💨 6 mph H 45%30.09 inHg

2:00 PM

Mostly sunny

72° 💧 None 💨 8 mph H 49%30.09 inHg

8:00 PM

Mostly clear night

91° 💧 None 💨 6 mph H 27%30.00 inHg

Saturday

2:00 AM

Clear night

86° 💧 None 💨 6 mph H 33%29.94 inHg

8:00 AM

Sunny

74° 💧 None 💨 6 mph H 54%29.97 inHg

2:00 PM

Sunny

68° 💧 None 💨 7 mph H 68%30.00 inHg

8:00 PM

Mostly clear night

90° 💧 None 💨 2 mph H 29%29.94 inHg

Sunday

2:00 AM

Clear night

83° 💧 None 💨 10 mph H 31%29.91 inHg

In Powell and, more broadly, across the state of Tennessee: The morning will start with mostly sunny skies and a few clouds, creating warm conditions early in the day. Temperatures will quickly rise, reaching between 73 and 98 degrees Fahrenheit. Light east winds, with speeds up to 6 mph and gusts around 4 mph, will add a gentle breeze to the warm atmosphere. As the afternoon progresses, the weather will remain dry with no precipitation expected. Temperatures are likely to stay quite hot throughout the day, making it important to stay hydrated and protect yourself from the sun. Overall, expect a hot, mostly sunny day with calm winds and consistent warmth from morning through evening.

15-Day Weather Outlook for Powell

TomorrowTomorrow

Light thunderstorms 89°/72° 💧 None 💨 8 mph

Monday, Sep 7Mon Sep 7

Mostly sunny 87°/71° 💧 None 💨 7 mph

Tuesday, Sep 8Tue Sep 8

Light rain 88°/69° 💧 0.46 in 💨 5 mph

Wednesday, Sep 9Wed Sep 9

Partly cloudy 90°/72° 💧 0.00 in 💨 5 mph

Thursday, Sep 10Thu Sep 10

Mostly sunny 91°/74° 💧 0.00 in 💨 8 mph

Friday, Sep 11Fri Sep 11

Light rain 77°/71° 💧 0.09 in 💨 5 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 86°/65° 💧 0.02 in 💨 6 mph

Sunday, Sep 13Sun Sep 13

Sunny 89°/75° 💧 None 💨 7 mph

Monday, Sep 14Mon Sep 14

Overcast 94°/69° 💧 0.10 in 💨 10 mph

Tuesday, Sep 15Tue Sep 15

Mostly sunny 82°/61° 💧 None 💨 9 mph

Wednesday, Sep 16Wed Sep 16

Sunny 81°/62° 💧 None 💨 9 mph

Thursday, Sep 17Thu Sep 17

Partly cloudy 86°/65° 💧 None 💨 6 mph

Friday, Sep 18Fri Sep 18

Mostly cloudy 89°/72° 💧 None 💨 8 mph

Saturday, Sep 19Sat Sep 19

Mostly sunny 91°/68° 💧 None 💨 7 mph

Sunday, Sep 20Sun Sep 20

Mostly sunny 90°/83° 💧 None 💨 10 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Powell

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Powell

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 7,7µg/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 16,0µg/m³

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

O₃ Ozone Good 38,0µg/m³

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

NO₂ Nitrogen dioxide Good 4,2µg/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 Powell

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 8,4Very high 😊Good

Tomorrow UV 8,2Very high 🙂Fair

Monday UV 7,2High 🙂Fair

Tuesday UV 6,6High 🙂Fair

Wednesday UV 8,0Very high 😊Good

Thursday UV 7,0High —Unavailable

Friday UV 7,0High —Unavailable

Hourly UV index today

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

Good air quality

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

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 Powell

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · POWELL, TENNESSEE

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 2:00 AM–3:00 AM.

95/100Best-hour score

BEST TIME TONIGHT 2:00 AM–3:00 AM Astronomical darkness: 9:26 PM–5:43 AM

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

☾ Moonlight 32% Last Quarter · Moon about 1° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 46° 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 min61%

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

AUG 28–SEP 5

AurigidsStart AUG 28 · Peak SEP 1 · End SEP 5 · ZHR 6 · 80% Moon at peak

ACTIVE NOW

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

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 Powell were last refreshed today at 10:43 AM. The current forecast period extends through 07/09/2026 at 8:00 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.