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Current weather in Sweetwater is few clouds.

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

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

Now · 7:39 PM

Sweetwater Weather & Hourly Forecast

United States · Tennessee · 37874

72°F

Mostly clear night

Feels like: 78°F

💧 Humidity 92% 🌡 Pressure 30.03 inHg 💨 Wind 3 mph 👁 Visibility 11.5 mi ☁ Clouds 23% ☀️ UV index 0.2 · Low 🌅 Sunrise 7:24 AM 🌇 Sunset 7:36 PM

Hourly Forecast for Sweetwater

Today

8:00 PM

Mostly clear night

72° 💧 0.008 in 💨 3 mph H 92%30.03 inHg

11:00 PM

Mostly clear night

70° 💧 0.000 in 💨 5 mph H 96%30.06 inHg

Tomorrow

2:00 AM

Mostly clear night

68° 💧 None 💨 6 mph H 98%30.06 inHg

5:00 AM

Fog at night

68° 💧 0.013 in 💨 3 mph H 100%30.09 inHg

8:00 AM

Light thunderstorms

67° 💧 0.089 in 💨 5 mph H 99%30.12 inHg

11:00 AM

Light rain

72° 💧 0.023 in 💨 6 mph H 86%30.15 inHg

2:00 PM

Light rain

76° 💧 0.100 in 💨 3 mph H 75%30.09 inHg

5:00 PM

Light thunderstorms

74° 💧 0.165 in 💨 1 mph H 84%30.09 inHg

8:00 PM

Light thunderstorms

67° 💧 0.156 in 💨 6 mph H 98%30.12 inHg

11:00 PM

Light rain

66° 💧 0.013 in 💨 3 mph H 97%30.15 inHg

Thursday

2:00 AM

Mostly cloudy night

65° 💧 0.001 in 💨 2 mph H 99%30.12 inHg

5:00 AM

Light rain

66° 💧 0.017 in 💨 2 mph H 98%30.12 inHg

8:00 AM

Light rain

63° 💧 0.020 in 💨 5 mph H 96%30.15 inHg

11:00 AM

Light rain

69° 💧 0.018 in 💨 3 mph H 83%30.18 inHg

2:00 PM

Light rain

72° 💧 0.065 in 💨 4 mph H 73%30.12 inHg

5:00 PM

Partly cloudy

74° 💧 0.014 in 💨 8 mph H 71%30.09 inHg

Today

8:00 PM

Mostly clear night

72° 💧 None 💨 3 mph H 92%30.03 inHg

9:00 PM

Mostly clear night

71° 💧 0.002 in 💨 3 mph H 95%30.03 inHg

10:00 PM

Light rain

71° 💧 0.007 in 💨 5 mph H 96%30.06 inHg

11:00 PM

Mostly clear night

70° 💧 None 💨 5 mph H 96%30.06 inHg

Tomorrow

12:00 AM

Clear night

69° 💧 0.000 in 💨 6 mph H 97%30.06 inHg

1:00 AM

Mostly clear night

69° 💧 None 💨 7 mph H 98%30.06 inHg

2:00 AM

Mostly clear night

68° 💧 None 💨 6 mph H 98%30.06 inHg

3:00 AM

Mostly clear night

68° 💧 None 💨 6 mph H 99%30.06 inHg

4:00 AM

Mist at night

68° 💧 None 💨 4 mph H 99%30.06 inHg

5:00 AM

Fog at night

68° 💧 None 💨 3 mph H 100%30.09 inHg

6:00 AM

Fog at night

67° 💧 0.001 in 💨 3 mph H 100%30.09 inHg

7:00 AM

Light rain

67° 💧 0.012 in 💨 5 mph H 100%30.09 inHg

8:00 AM

Light thunderstorms

67° 💧 0.044 in 💨 5 mph H 99%30.12 inHg

9:00 AM

Light rain

69° 💧 0.016 in 💨 4 mph H 96%30.12 inHg

10:00 AM

Light rain

70° 💧 0.029 in 💨 3 mph H 94%30.15 inHg

11:00 AM

Light rain

72° 💧 0.006 in 💨 6 mph H 86%30.15 inHg

12:00 PM

Light rain

72° 💧 0.005 in 💨 4 mph H 83%30.15 inHg

1:00 PM

Light rain

73° 💧 0.013 in 💨 3 mph H 82%30.12 inHg

2:00 PM

Light rain

76° 💧 0.020 in 💨 3 mph H 75%30.09 inHg

3:00 PM

Light thunderstorms

75° 💧 0.027 in 💨 2 mph H 77%30.09 inHg

4:00 PM

Light thunderstorms

73° 💧 0.053 in 💨 2 mph H 83%30.09 inHg

5:00 PM

Light thunderstorms

74° 💧 0.023 in 💨 1 mph H 84%30.09 inHg

6:00 PM

Light rain

72° 💧 0.023 in 💨 3 mph H 89%30.09 inHg

7:00 PM

Thunderstorms

68° 💧 0.119 in 💨 2 mph H 95%30.12 inHg

8:00 PM

Light thunderstorms

67° 💧 0.054 in 💨 6 mph H 98%30.12 inHg

9:00 PM

Light rain

66° 💧 0.010 in 💨 4 mph H 99%30.12 inHg

10:00 PM

Light rain

65° 💧 0.092 in 💨 3 mph H 98%30.15 inHg

11:00 PM

Light rain

66° 💧 0.011 in 💨 3 mph H 97%30.15 inHg

Thursday

12:00 AM

Mostly cloudy night

65° 💧 0.001 in 💨 3 mph H 99%30.15 inHg

1:00 AM

Mostly cloudy night

65° 💧 0.001 in 💨 2 mph H 99%30.12 inHg

2:00 AM

Mostly cloudy night

65° 💧 None 💨 2 mph H 99%30.12 inHg

3:00 AM

Overcast night

65° 💧 None 💨 2 mph H 98%30.12 inHg

4:00 AM

Overcast night

65° 💧 0.001 in 💨 0 mph H 99%30.12 inHg

5:00 AM

Light rain

66° 💧 0.007 in 💨 2 mph H 98%30.12 inHg

6:00 AM

Partly cloudy night

65° 💧 0.002 in 💨 4 mph H 96%30.15 inHg

7:00 AM

Light rain

63° 💧 0.008 in 💨 4 mph H 96%30.15 inHg

8:00 AM

Light rain

63° 💧 0.007 in 💨 5 mph H 96%30.15 inHg

9:00 AM

Light rain

66° 💧 0.005 in 💨 4 mph H 93%30.18 inHg

10:00 AM

Light rain

67° 💧 0.008 in 💨 4 mph H 88%30.18 inHg

11:00 AM

Light rain

69° 💧 0.006 in 💨 3 mph H 83%30.18 inHg

12:00 PM

Partly cloudy

71° 💧 0.004 in 💨 3 mph H 78%30.18 inHg

1:00 PM

Light rain

73° 💧 0.008 in 💨 1 mph H 72%30.15 inHg

2:00 PM

Light rain

72° 💧 0.014 in 💨 4 mph H 73%30.12 inHg

3:00 PM

Light rain

72° 💧 0.032 in 💨 6 mph H 75%30.12 inHg

4:00 PM

Light rain

74° 💧 0.018 in 💨 7 mph H 75%30.09 inHg

5:00 PM

Partly cloudy

74° 💧 0.001 in 💨 8 mph H 71%30.09 inHg

6:00 PM

Light rain

73° 💧 0.013 in 💨 9 mph H 71%30.09 inHg

7:00 PM

Sunny

72° 💧 None 💨 7 mph H 72%30.09 inHg

8:00 PM

Clear night

69° 💧 None 💨 6 mph H 77%30.12 inHg

9:00 PM

Clear night

68° 💧 None 💨 6 mph H 79%30.12 inHg

10:00 PM

Clear night

66° 💧 None 💨 5 mph H 83%30.12 inHg

11:00 PM

Clear night

65° 💧 None 💨 6 mph H 86%30.15 inHg

Friday

12:00 AM

Clear night

64° 💧 None 💨 6 mph H 89%30.12 inHg

1:00 AM

Clear night

64° 💧 None 💨 6 mph H 90%30.12 inHg

2:00 AM

Clear night

63° 💧 None 💨 6 mph H 91%30.12 inHg

3:00 AM

Mostly clear night

62° 💧 None 💨 6 mph H 92%30.12 inHg

4:00 AM

Clear night

61° 💧 None 💨 6 mph H 92%30.12 inHg

5:00 AM

Clear night

60° 💧 None 💨 6 mph H 93%30.12 inHg

6:00 AM

Clear night

59° 💧 None 💨 6 mph H 94%30.12 inHg

7:00 AM

Clear night

59° 💧 None 💨 6 mph H 94%30.15 inHg

8:00 AM

Sunny

59° 💧 None 💨 7 mph H 92%30.18 inHg

11:00 AM

Sunny

67° 💧 None 💨 7 mph H 71%30.18 inHg

2:00 PM

Sunny

72° 💧 None 💨 7 mph H 57%30.12 inHg

5:00 PM

Mostly sunny

74° 💧 None 💨 9 mph H 55%30.06 inHg

8:00 PM

Clear night

67° 💧 None 💨 7 mph H 62%30.06 inHg

11:00 PM

Clear night

63° 💧 None 💨 9 mph H 69%30.09 inHg

Saturday

2:00 AM

Clear night

59° 💧 None 💨 10 mph H 72%30.09 inHg

5:00 AM

Clear night

56° 💧 None 💨 8 mph H 80%30.09 inHg

8:00 AM

Sunny

53° 💧 None 💨 7 mph H 85%30.12 inHg

11:00 AM

Mostly sunny

64° 💧 None 💨 5 mph H 65%30.12 inHg

2:00 PM

Partly cloudy

73° 💧 None 💨 5 mph H 46%30.06 inHg

5:00 PM

Overcast

75° 💧 None 💨 7 mph H 34%30.00 inHg

8:00 PM

Mostly cloudy night

66° 💧 None 💨 6 mph H 52%30.00 inHg

11:00 PM

Mostly cloudy night

60° 💧 None 💨 5 mph H 66%30.03 inHg

Sunday

2:00 AM

Overcast night

58° 💧 None 💨 7 mph H 74%30.00 inHg

5:00 AM

Partly cloudy night

55° 💧 None 💨 7 mph H 85%30.00 inHg

8:00 AM

Mostly sunny

54° 💧 None 💨 6 mph H 90%30.03 inHg

11:00 AM

Mostly sunny

66° 💧 None 💨 7 mph H 55%30.00 inHg

2:00 PM

Mostly sunny

73° 💧 None 💨 7 mph H 40%29.97 inHg

5:00 PM

Sunny

75° 💧 None 💨 5 mph H 38%29.88 inHg

8:00 PM

Clear night

67° 💧 None 💨 4 mph H 56%29.88 inHg

11:00 PM

Clear night

62° 💧 None 💨 5 mph H 67%29.91 inHg

Monday

2:00 AM

Clear night

60° 💧 None 💨 7 mph H 72%29.91 inHg

5:00 AM

Clear night

57° 💧 None 💨 5 mph H 74%29.91 inHg

8:00 AM

Mostly sunny

56° 💧 None 💨 6 mph H 82%29.94 inHg

2:00 PM

Sunny

77° 💧 None 💨 6 mph H 32%29.91 inHg

8:00 PM

Clear night

69° 💧 None 💨 5 mph H 40%29.88 inHg

Tuesday

2:00 AM

Clear night

60° 💧 None 💨 5 mph H 56%29.91 inHg

8:00 AM

Sunny

56° 💧 None 💨 5 mph H 86%29.94 inHg

2:00 PM

Sunny

82° 💧 None 💨 3 mph H 26%29.91 inHg

8:00 PM

Clear night

76° 💧 None 💨 3 mph H 41%29.85 inHg

Wednesday

2:00 AM

Clear night

69° 💧 None 💨 10 mph H 56%29.88 inHg

8:00 AM

Mostly sunny

67° 💧 None 💨 6 mph H 57%29.91 inHg

2:00 PM

Partly cloudy

90° 💧 None 💨 12 mph H 30%29.83 inHg

8:00 PM

Mostly cloudy night

77° 💧 None 💨 9 mph H 58%29.83 inHg

Thursday

2:00 AM

Mostly cloudy night

71° 💧 None 💨 10 mph H 81%29.85 inHg

8:00 AM

Mostly cloudy

69° 💧 None 💨 11 mph H 83%29.88 inHg

2:00 PM

Overcast

78° 💧 None 💨 13 mph H 63%29.88 inHg

8:00 PM

Light rain

74° 💧 None 💨 13 mph H 76%29.88 inHg

Friday

2:00 AM

Light rain

67° 💧 None 💨 5 mph H 98%29.94 inHg

8:00 AM

Light rain

67° 💧 None 💨 4 mph H 97%29.97 inHg

2:00 PM

Partly cloudy

80° 💧 None 💨 8 mph H 67%29.94 inHg

8:00 PM

Clear night

73° 💧 None 💨 3 mph H 85%29.88 inHg

Saturday

2:00 AM

Light rain

67° 💧 None 💨 7 mph H 97%29.91 inHg

8:00 AM

Light rain

66° 💧 None 💨 4 mph H 98%29.91 inHg

2:00 PM

Light rain

78° 💧 None 💨 10 mph H 75%29.88 inHg

8:00 PM

Mostly clear night

74° 💧 None 💨 7 mph H 77%29.80 inHg

Sunday

2:00 AM

Overcast night

66° 💧 None 💨 4 mph H 98%29.85 inHg

8:00 AM

Overcast

63° 💧 None 💨 3 mph H 99%29.88 inHg

2:00 PM

Mostly sunny

72° 💧 None 💨 9 mph H 53%29.88 inHg

8:00 PM

Mostly clear night

65° 💧 None 💨 7 mph H 59%29.88 inHg

Monday

2:00 AM

Clear night

57° 💧 None 💨 6 mph H 80%29.94 inHg

8:00 AM

Sunny

54° 💧 None 💨 5 mph H 88%30.00 inHg

2:00 PM

Sunny

69° 💧 None 💨 5 mph H 52%30.00 inHg

8:00 PM

Clear night

64° 💧 None 💨 5 mph H 67%29.94 inHg

Tuesday

2:00 AM

Overcast night

57° 💧 None 💨 5 mph H 81%30.00 inHg

8:00 AM

Overcast

54° 💧 None 💨 5 mph H 90%30.00 inHg

2:00 PM

Overcast

70° 💧 None 💨 4 mph H 50%29.97 inHg

8:00 PM

Mostly cloudy night

64° 💧 None 💨 3 mph H 65%29.94 inHg

Wednesday

2:00 AM

Mostly cloudy night

58° 💧 None 💨 7 mph H 75%29.97 inHg

8:00 AM

Mostly sunny

56° 💧 None 💨 9 mph H 73%30.00 inHg

In Sweetwater 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 Sweetwater

TomorrowTomorrow

Light thunderstorms 76°/65° 💧 None 💨 7 mph

Thursday, Sep 24Thu Sep 24

Mostly cloudy 74°/63° 💧 None 💨 9 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 74°/59° 💧 1.060 in 💨 9 mph

Saturday, Sep 26Sat Sep 26

Mostly sunny 75°/53° 💧 0.001 in 💨 10 mph

Sunday, Sep 27Sun Sep 27

Overcast 75°/54° 💧 None 💨 7 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 77°/56° 💧 None 💨 7 mph

Tuesday, Sep 29Tue Sep 29

Sunny 82°/56° 💧 None 💨 5 mph

Wednesday, Sep 30Wed Sep 30

Mostly cloudy 90°/67° 💧 0.005 in 💨 12 mph

Thursday, Oct 1Thu Oct 1

Light rain 78°/69° 💧 0.090 in 💨 13 mph

Friday, Oct 2Fri Oct 2

Light rain 80°/67° 💧 0.161 in 💨 8 mph

Saturday, Oct 3Sat Oct 3

Light rain 78°/66° 💧 0.231 in 💨 10 mph

Sunday, Oct 4Sun Oct 4

Overcast 72°/63° 💧 0.281 in 💨 9 mph

Monday, Oct 5Mon Oct 5

Sunny 69°/54° 💧 None 💨 6 mph

Tuesday, Oct 6Tue Oct 6

Overcast 70°/54° 💧 None 💨 5 mph

Wednesday, Oct 7Wed Oct 7

Mostly cloudy 58°/56° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sweetwater

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Sweetwater

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 8:00 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 7,2µg/m³

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

O₃ Ozone Fair 75,8µg/m³

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

NO₂ Nitrogen dioxide Good 3,6µg/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 Sweetwater

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 7,0High 🙂Fair

Tomorrow UV 5,5Moderate 🙂Fair

Thursday UV 5,3Moderate 🙂Fair

Friday UV 6,8High 🙂Fair

Saturday UV 6,8High 😐Moderate

Sunday UV 5,0Moderate —Unavailable

Monday UV 6,0High —Unavailable

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

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

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

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 Sweetwater

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · SWEETWATER, TENNESSEE

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 12:00 AM–1:00 AM.

77/100Best-hour score

BEST TIME TONIGHT 12:00 AM–1:00 AM Astronomical darkness: 9:00 PM–6:01 AM

☁ Cloud cover 12% Real hourly forecast for the best viewing hour.

☾ Moonlight 87% Waxing Gibbous · Moon about 35° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 21° high at the best hour.

✦ Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min19%

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 Sweetwater were last refreshed today at 7:39 PM. The current forecast period extends through 24/09/2026 at 5:00 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.