Cottage Grove, TN Weather
Cottage Grove, TN climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 30's.
The warmest month of the year is July with an average maximum temperature of 88.00 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 24.50 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 21 degrees Fahrenheit, and moderate during winter with an average difference of 20 degrees Fahrenheit.
The annual average precipitation at Cottage Grove is 53.68 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is March with an average rainfall of 5.31 Inches.
Weather Data
Current Conditions
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Fair, 46°F | Humidity: 68% | Dewpoint: 36°F |
| Wind Speed: W 12.7 MPH (11 KT) | Heat Index: 46°F | ||
| Barometer: 30.02 in. | Wind Chill: 40°F |
Weather Forecast
| Hi: 55°F | Today: Mostly sunny. Highs in the mid 50s. West winds 5 to 10 mph. | |
| Lo: 39°F | ||
| Hi: 45°F | Thanksgiving day: Partly sunny in the morning...Then becoming mostly cloudy. Highs in the mid 40s. West winds 10 to 15 mph. | |
| Lo: 29°F | ||
| Hi: 51°F | Friday: Sunny. Highs in the lower 50s. Southwest winds 5 to 10 mph. | |
| Lo: 41°F | ||
| Hi: 59°F | Saturday: Partly cloudy. Highs in the upper 50s. Lows in the lower 40s. | |
| Lo: 41°F | ||
| Hi: 59°F | Sunday: Mostly cloudy with a 20 percent chance of rain. Highs in the upper 50s. | |
| Lo: 45°F | ||
| Hi: 51°F | Monday: Rain likely. Lows in the mid 40s. Highs in the lower 50s. Chance of rain 60 percent. | |
| Lo: 39°F |
Moon, Sunrise and Sunset
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Moon Phase: Waxing Gibbous Moon | Civil Twilight: 6:12 AM CST |
Sunrise: 6:40 AM CST |
| Sunset: 4:40 PM CST |
Civil Twilight: 5:08 PM CST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 43.1 | 49.0 | 59.2 | 69.1 | 76.8 | 84.4 | 88.0 | 87.2 | 80.7 | 69.9 | 58.0 | 47.7 | 67.8 |
| Mean °F | 33.8 | 38.4 | 47.9 | 57.1 | 65.6 | 73.8 | 77.7 | 76.4 | 69.6 | 58.0 | 47.7 | 38.2 | 57.0 |
| Min °F | 24.5 | 27.7 | 36.5 | 45.0 | 54.3 | 63.1 | 67.4 | 65.5 | 58.4 | 46.1 | 37.3 | 28.7 | 46.2 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 4.23 | 4.40 | 5.31 | 4.73 | 5.02 | 4.58 | 4.51 | 3.76 | 3.90 | 3.35 | 4.86 | 5.03 | 53.68 |

