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: 8:53 PM EST FRI NOV 20 2009)

Partly Cloudy, 46°F	Humidity: 89%	Dewpoint: 43°F
	Wind Speed: CALM	Heat Index: 46°F
	Barometer: 30.16 in.	Wind Chill: 46°F

Weather Forecast

(Generated: 3:11 PM EST FRI NOV 20 2009)

		Tonight: Partly cloudy. Patchy dense fog after midnight...With visibility one quarter mile or less at Times. Lows around 40. Light winds.
	Lo: 40°F
	Hi: 59°F	Saturday: Partly sunny. Patchy dense fog in the morning. A 20 percent chance of rain showers late in the afternoon. Visibility one quarter mile or less at Times in the morning. Highs in the upper 50s. Light winds.
	Lo: 45°F
	Hi: 57°F	Sunday: Mostly cloudy with rain likely. Highs in the mid to upper 50s. East winds 10 mph or less. Chance of rain 60 percent.
	Lo: 45°F
	Hi: 63°F	Monday: Mostly sunny. Highs in the lower to mid 60s.
	Lo: 45°F
	Hi: 63°F	Tuesday: Partly sunny with a 20 percent chance of showers. Highs in the lower to mid 60s.
	Lo: 39°F
	Hi: 59°F	Wednesday: Mostly sunny. Highs in the upper 50s.
	Lo: 39°F
	Hi: 53°F	Thanksgiving day: Mostly sunny. Highs in the lower to mid 50s.
	Lo: 31°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Crescent Moon	Civil Twilight: 6:52 AM EST	Sunrise: 7:20 AM EST
		Sunset: 5:32 PM EST	Civil Twilight: 6:00 PM EST

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