Chattanooga, Tennessee Weather Forecast

Hamilton County 35.07°N, 85.25°W Pop. 415,501

Today in Chattanooga: clear skies with a high near 82°F and a low around 53°F. Rain chance 4%. No day tops a 20% rain chance through Thursday. Cooling trend: highs fall from 82°F today to 69°F by Monday.

Forecast updated 10:05 PM EDT, Oct 16

Active Weather Alerts

7-Day Forecast for Chattanooga

Today 10/16
Clear sky
82°53°
Sat 10/17
Clear sky
61°50°
Sun 10/18
Clear sky
66°43°
Mon 10/19
Clear sky
69°42°
Tue 10/20
Clear sky
72°46°
Wed 10/21
Clear sky
74°48°
Thu 10/22
Clear sky
75°50°
Hourly charts, 15-day outlook and more for Chattanooga in Local Wx →

Next 24 Hours

NowSat12 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PM9 PM10 PM
SkyOvercastOvercastPartly cloudyClear skyMainly clearClear skyMainly clearMostly sunnyMostly sunnyMostly sunnyMostly sunnyMostly sunnyPartly cloudyMostly sunnyMostly sunnyMostly sunnyClear skyClear skyClear skyClear skyClear skyClear skyClear skyClear sky
Temp53°52°51°51°51°50°50°50°50°51°51°53°55°57°59°60°61°61°61°59°57°54°53°51°
Rain4%5%1%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%0%
WindN 13N 13N 11NNW 10NNW 10NNW 11NNW 11NNW 12N 12N 13N 15N 16N 17NNE 17NNE 17NNE 17NNE 17NNE 17NNE 15NNE 15NNE 13NNE 11NNE 12NNE 12

Growing Conditions

Growing degree days
4,713
since Apr 1, base 50°F
Rain, last 30 days
3.54 in
model analysis
Rain, year to date
39.09 in
since Jan 1
2-inch soil temperature
73°F
yesterday, daily average
Reference ET, last 7 days
0.73 in
FAO-56 grass reference
Through Oct 15. Season totals use model analysis for this point and update every morning. Soil, ET and spray tools for Chattanooga →

Current Stats & Observations

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NWS Forecast

About Chattanooga Weather

Chattanooga sits at about 686 feet above sea level in Hamilton County, Tennessee. About 415,501 people live in the Chattanooga area. Official forecasts and warnings for the area come from the National Weather Service MRX office, and the nearest NEXRAD radar site is KHTX. The city is in USDA plant hardiness zone 8a, where the coldest winter night typically falls between 10 to 15°F. Over the past ten years the last spring freeze has come around Mar 16 and the first fall freeze around Nov 13.