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Chattanooga, TN Weather


Chattanooga, TN climate is warm during summer when temperatures tend to be in the 70's and cold during winter when temperatures tend to be in the 40's.

The warmest month of the year is July with an average maximum temperature of 89.80 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 29.90 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 20 degrees Fahrenheit, and moderate during winter with an average difference of 20 degrees Fahrenheit.

The annual average precipitation at Chattanooga is 54.52 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is March with an average rainfall of 6.19 Inches.

Weather Data

Current Conditions

(Updated: 2:53 AM EDT SAT SEP 6 2008)

Fair Fair, 73°F Humidity: 81% Dewpoint: 67°F
Wind Speed: CALM Heat Index: 73°F
Barometer: 29.85 in. Wind Chill: 73°F

Weather Forecast

(Generated: 3:00 PM EDT FRI SEP 05 2008)
  Tonight: Partly cloudy with isolated showers. Lows in the upper 60s. Light winds. Chance of rain 20 percent.
Lo: 69°F
Hi: 89°F Saturday: Partly sunny with isolated showers and thunderstorms. Highs in the upper 80s. Northwest winds 10 mph or less. Chance of rain 20 percent.
Lo: 65°F
Hi: 89°F Sunday: Mostly sunny. Highs in the upper 80s. Light winds.
Lo: 61°F
Hi: 90°F Monday: Mostly sunny. Highs around 90.
Lo: 65°F
Hi: 85°F Tuesday: Partly sunny with a 20 percent chance of showers and thunderstorms. Highs in the mid 80s.
Lo: 65°F
Hi: 85°F Wednesday: Mostly sunny. Highs in the mid 80s.
Lo: 65°F
Hi: 85°F Thursday: Mostly sunny. Highs in the mid 80s.
Lo: 65°F

Moon, Sunrise and Sunset

First Quarter Moon Moon Phase: First Quarter Moon Civil Twilight:
6:51 AM EDT
Sunrise:
7:17 AM EDT
Sunset:
8:01 PM EDT
Civil Twilight:
8:27 PM EDT

Normal Climate

Normal Temperatures

(CHATTANOOGA AP Weather station, 6.30 miles from Chattanooga)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 48.8 54.1 62.8 72.1 79.1 86.2 89.8 88.7 82.5 72.3 61.1 52.0 70.8
Mean °F 39.4 43.4 51.4 59.6 67.7 75.4 79.6 78.5 72.1 60.4 50.3 42.4 60.0
Min °F 29.9 32.6 40.0 47.0 56.2 64.6 69.4 68.3 61.7 48.5 39.5 32.7 49.2

Normal Precipitation

(CHATTANOOGA AP Weather station, 6.30 miles from Chattanooga)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 5.40 4.85 6.19 4.23 4.28 3.99 4.73 3.59 4.31 3.26 4.88 4.81 54.52