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Chattanooga, Tennessee weather · now

93°

Clear

Feels
99°
High / Low
93° / 74°
Wind
21 mph W
Humidity
47%
Dry now; thunderstorms expected around 3:00 PM.

Precipitation · next 12 hrs

Peak 43% · 8 PM

2 PM
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·
5 PM
·
·
8 PM
·
·
11 PM
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1 AM
ModerateAir quality PollenTreeNoneGrassModerateWeedModerate
Sun 6:58 AM 8:34 PM 13h 36m
Moon Waning Crescent 3% lit

Current weather and 7-day forecast for Chattanooga, Tennessee, sourced directly from the National Weather Service. Expect chance showers and thunderstorms today. Today's high is 93° with a low near 74°.

What to wear today

Loose, light, and water nearby

93°F — wear breathable fabrics and stay hydrated.

Next 24 hours

70° 85° 100° ↑ 92° ↓ 74° 2 PM 5 PM 8 PM 11 PM 2 AM 5 AM 8 AM 11 AM

  1. 2 PM

    91°

    36%

  2. 4 PM

    91°

    31%

  3. 6 PM

    90°

    28%

  4. 8 PM

    84°

    43%

  5. 10 PM

    80°

    19%

  6. 12 AM

    78°

    19%

  7. 2 AM

    76°

    17%

  8. 4 AM

    75°

    3%

  9. 6 AM

    74°

    6%

  10. 8 AM

    75°

    13%

  11. 10 AM

    82°

    9%

  12. 12 PM

    88°

    5%

Live radar

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7 days

  1. Today 8/11 Chance Showers And Thunderstorms 43% 93° · 74°
    1. 2 PM 91° Chance Showers And Thunderstorms 36%
    2. 3 PM 92° Chance Showers And Thunderstorms 38%
    3. 4 PM 91° Chance Showers And Thunderstorms 31%
    4. 5 PM 90° Chance Showers And Thunderstorms 36%
    5. 6 PM 90° Chance Showers And Thunderstorms 28%
    6. 7 PM 87° Chance Showers And Thunderstorms 28%
    7. 8 PM 84° Chance Showers And Thunderstorms 43%
    8. 9 PM 82° Chance Showers And Thunderstorms 30%
    9. 10 PM 80° Slight Chance Showers And Thunderstorms 19%
    10. 11 PM 79° Slight Chance Rain Showers 24%
  2. Wed 8/12 Mostly Sunny then Chance Showers And Thunderstorms 30% 93° · 75°
    1. 12 AM 78° Slight Chance Rain Showers 19%
    2. 1 AM 77° Partly Cloudy 10%
    3. 2 AM 76° Slight Chance Rain Showers 17%
    4. 3 AM 76° Partly Cloudy 12%
    5. 4 AM 75° Partly Cloudy 3%
    6. 5 AM 75° Mostly Clear 5%
    7. 6 AM 74° Sunny 6%
    8. 7 AM 74° Sunny 6%
    9. 8 AM 75° Sunny 13%
    10. 9 AM 77° Sunny 12%
    11. 10 AM 82° Sunny 9%
    12. 11 AM 85° Sunny 6%
    13. 12 PM 88° Mostly Sunny 5%
    14. 1 PM 90° Mostly Sunny 5%
    15. 2 PM 91° Slight Chance Showers And Thunderstorms 23%
    16. 3 PM 91° Chance Showers And Thunderstorms 26%
    17. 4 PM 91° Chance Showers And Thunderstorms 30%
    18. 5 PM 92° Chance Showers And Thunderstorms 29%
    19. 6 PM 91° Slight Chance Showers And Thunderstorms 24%
    20. 7 PM 89° Slight Chance Showers And Thunderstorms 22%
    21. 8 PM 87° Mostly Cloudy 14%
    22. 9 PM 82° Partly Cloudy 9%
    23. 10 PM 81° Partly Cloudy 4%
    24. 11 PM 80° Partly Cloudy
  3. Thu 8/13 Mostly Sunny then Slight Chance Showers And Thunderstorms 16% 94° · 77°
    1. 12 AM 79° Partly Cloudy
    2. 1 AM 78° Partly Cloudy 2%
    3. 2 AM 77° Partly Cloudy 14%
    4. 3 AM 77° Mostly Clear 7%
    5. 4 AM 76° Mostly Clear
    6. 5 AM 76° Mostly Clear
    7. 6 AM 75° Mostly Sunny
    8. 7 AM 75° Mostly Sunny 3%
    9. 8 AM 76° Mostly Sunny 6%
    10. 9 AM 78° Mostly Sunny 6%
    11. 10 AM 82° Mostly Sunny 6%
    12. 11 AM 86° Mostly Sunny 6%
    13. 12 PM 89° Mostly Sunny 6%
    14. 1 PM 91° Mostly Sunny 6%
    15. 2 PM 92° Slight Chance Showers And Thunderstorms 16%
    16. 3 PM 94° Slight Chance Showers And Thunderstorms 16%
    17. 4 PM 94° Slight Chance Showers And Thunderstorms 16%
    18. 5 PM 94° Slight Chance Showers And Thunderstorms 16%
    19. 6 PM 92° Slight Chance Showers And Thunderstorms 16%
    20. 7 PM 91° Slight Chance Showers And Thunderstorms 16%
    21. 8 PM 88° Mostly Cloudy 2%
    22. 9 PM 86° Partly Cloudy 2%
    23. 10 PM 84° Partly Cloudy 2%
    24. 11 PM 82° Partly Cloudy 2%
  4. Fri 8/14 Mostly Sunny 8% 96° · 76°
    1. 12 AM 81° Partly Cloudy 2%
    2. 1 AM 80° Partly Cloudy 2%
    3. 2 AM 79° Partly Cloudy 1%
    4. 3 AM 78° Partly Cloudy 1%
    5. 4 AM 78° Partly Cloudy 1%
    6. 5 AM 78° Mostly Clear 1%
    7. 6 AM 77° Sunny 1%
    8. 7 AM 77° Mostly Sunny 1%
    9. 8 AM 77° Mostly Sunny 1%
    10. 9 AM 80° Sunny 1%
    11. 10 AM 84° Sunny 1%
    12. 11 AM 88° Sunny 1%
    13. 12 PM 91° Sunny 1%
    14. 1 PM 93° Mostly Sunny 1%
    15. 2 PM 94° Mostly Sunny 8%
    16. 3 PM 96° Mostly Sunny 8%
    17. 4 PM 96° Mostly Sunny 8%
    18. 5 PM 96° Mostly Sunny 8%
    19. 6 PM 95° Partly Cloudy 8%
    20. 7 PM 93° Partly Cloudy 8%
    21. 8 PM 90° Partly Cloudy 4%
    22. 9 PM 87° Partly Cloudy 4%
    23. 10 PM 85° Partly Cloudy 4%
    24. 11 PM 83° Partly Cloudy 4%
  5. Sat 8/15 Mostly Sunny 10% 97° · 76°
    1. 12 AM 82° Partly Cloudy 4%
    2. 1 AM 81° Partly Cloudy 4%
    3. 2 AM 80° Mostly Clear 1%
    4. 3 AM 79° Mostly Clear 1%
    5. 4 AM 79° Mostly Clear 1%
    6. 5 AM 78° Mostly Clear 1%
    7. 6 AM 77° Sunny 1%
    8. 7 AM 76° Sunny 1%
    9. 8 AM 77° Sunny 2%
    10. 9 AM 80° Sunny 2%
    11. 10 AM 85° Sunny 2%
    12. 11 AM 89° Sunny 2%
    13. 12 PM 92° Sunny 2%
    14. 1 PM 94° Sunny 2%
    15. 2 PM 95° Mostly Sunny 10%
    16. 3 PM 96° Mostly Sunny 10%
    17. 4 PM 96° Mostly Sunny 10%
    18. 5 PM 96° Mostly Sunny 10%
    19. 6 PM 95° Partly Cloudy 10%
    20. 7 PM 93° Partly Cloudy 10%
    21. 8 PM 90° Partly Cloudy 5%
    22. 9 PM 87° Partly Cloudy 5%
    23. 10 PM 84° Partly Cloudy 5%
    24. 11 PM 82° Partly Cloudy 5%
  6. Sun 8/16 Mostly Sunny 7% 97° · 76°
    1. 12 AM 81° Partly Cloudy 5%
    2. 1 AM 80° Partly Cloudy 5%
    3. 2 AM 80° Partly Cloudy
    4. 3 AM 79° Partly Cloudy
    5. 4 AM 79° Partly Cloudy
    6. 5 AM 78° Partly Cloudy
    7. 6 AM 77° Mostly Sunny
    8. 7 AM 76° Mostly Sunny
    9. 8 AM 77° Mostly Sunny
    10. 9 AM 80° Mostly Sunny
    11. 10 AM 84° Mostly Sunny
    12. 11 AM 88° Mostly Sunny
    13. 12 PM 91° Mostly Sunny
    14. 1 PM 93° Mostly Sunny
    15. 2 PM 95° Sunny 7%
    16. 3 PM 96° Sunny 7%
    17. 4 PM 96° Sunny 7%
    18. 5 PM 96° Sunny 7%
    19. 6 PM 95° Mostly Clear 7%
    20. 7 PM 93° Mostly Clear 7%
    21. 8 PM 91° Mostly Clear 2%
    22. 9 PM 88° Mostly Clear 2%
    23. 10 PM 85° Mostly Clear 2%
    24. 11 PM 83° Mostly Clear 2%
  7. Mon 8/17 Sunny 9% 99° · 76°
    1. 12 AM 82° Mostly Clear 2%
    2. 1 AM 81° Mostly Clear 2%
    3. 2 AM 80° Mostly Clear 1%
    4. 3 AM 79° Mostly Clear 1%
    5. 4 AM 79° Mostly Clear 1%
    6. 5 AM 78° Mostly Clear 1%
    7. 6 AM 77° Sunny 1%
    8. 7 AM 76° Sunny 1%
    9. 8 AM 77° Sunny 1%
    10. 9 AM 80° Sunny 1%
    11. 10 AM 85° Sunny 1%
    12. 11 AM 89° Sunny 1%
    13. 12 PM 92° Sunny 1%
    14. 1 PM 95° Sunny 1%
    15. 2 PM 97° Sunny 9%
    16. 3 PM 98° Sunny 9%
    17. 4 PM 99° Sunny 9%
    18. 5 PM 98° Sunny 9%
    19. 6 PM 96° Mostly Clear 9%
    20. 7 PM 93° Mostly Clear 9%
    21. 8 PM 90° Mostly Clear 7%
    22. 9 PM 87° Mostly Clear 7%
    23. 10 PM 84° Mostly Clear 7%
    24. 11 PM 82° Mostly Clear 7%
Extended outlook days 8–16
  1. Tue 8/18 Cloudy 10% 98° · 75°
  2. Wed 8/19 Cloudy 11% 96° · 74°
  3. Thu 8/20 Partly Cloudy 12% 94° · 69°
  4. Fri 8/21 Cloudy 14% 98° · 69°
  5. Sat 8/22 Cloudy 18% 100° · 74°
  6. Sun 8/23 Severe Thunderstorms 26% 92° · 70°
  7. Mon 8/24 Cloudy 43% 80° · 62°
  8. Tue 8/25 Cloudy 42% 84° · 56°
  9. Wed 8/26 Partly Cloudy 39% 85° · 58°

Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.

Best day this week

Mild temps, low rain chance, clearer skies.

Monday, 8/17

Sunny, 99° / 76°

  1. Tomorrow93°75°
  2. Thu94°77°
  3. Fri96°76°
  4. Sat97°76°
  5. Sun97°76°
  6. Mon99°76°

Best time to head outside

Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.

  • RunTomorrow 6 AM

    warm at 74°F · calm wind · no rain expected · rain should clear by 6 AM · pollen moderate today

    Good82 / 100
  • BikeTomorrow 6 AM

    comfortable at 74°F · calm wind · no rain expected · rain should clear by 6 AM · pollen moderate today

    Excellent100 / 100
  • GolfTomorrow 6 AM

    comfortable at 74°F · calm wind · no rain expected · rain should clear by 6 AM · pollen moderate today

    Excellent100 / 100
  • PicnicTomorrow 6 AM

    comfortable at 74°F · calm wind · no rain expected · rain should clear by 6 AM · pollen moderate today

    Excellent100 / 100
  • Magic ShowAnytime

    Any weather is magic show weather. Indoors or out, magic doesn't care.

    Corporate Magician Scott Henderson

How well did we do?

Average miss by lead time.

Each morning we save the day's predicted high/low. As later days arrive, we grade what we said against what the station actually recorded.

Same day
±1°
2 days graded
1 day out
±2°
2 days graded
3 days out
±3°
2 days graded
7 days out
±3°
2 days graded
Day-by-day, 1 day out6 days
  1. Yesterday±2°
    High92°94°-2°
    Low74°73°+1°
  2. Sun, Aug 9±2°
    High92°91°+1°
    Low74°72°+2°
  3. Sat, Aug 8pending
    High90°——
    Low73°——
  4. Fri, Aug 7pending
    High90°——
    Low73°——
  5. Wed, Aug 5pending
    High88°——
    Low72°——
  6. Tue, Aug 4pending
    High88°——
    Low72°——

Climate normals

What weather to expect in Chattanooga

Chattanooga in August typically averages 86° highs and 69° lows, with about 14 days of rain. The hottest stretch is July (average high 89°); the coldest is January (average low 30°). July is the wettest month on average.

MonthAvg highAvg lowRainy days
Jan46°30°11
Feb57°37°10
Mar68°46°12
Apr76°55°14
May76°60°22
Jun86°68°19
Jul89°73°25
Aug86°69°14
Sep82°65°13
Oct73°54°7
Nov63°46°11
Dec53°36°11

Normals derived from the past two years of observations via Open-Meteo's historical archive.

More for Chattanooga

Other cities in Tennessee

Detailed forecast (NWS)

This Afternoon
A chance of showers and thunderstorms. Mostly sunny. High near 93, with temperatures falling to around 90 in the afternoon. Heat index values as high as 103. West wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 93. Heat index values as high as 102. Southwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Thursday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Southwest wind 0 to 5 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 96. West wind 0 to 5 mph.

Forecast details

NWS gridpoint
MRX 24,7
Radar station
KHTX
Time zone
America/New_York
Coordinates
35.046, -85.310