Water Temperature of the Chattahoochee River in Alpharetta, GA

Current Water Temperature

53.1°F

Measurement Time: Monday, December 29, 2025, 2:00 PM EST

Temperature Locations

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Local Points of Interest

Garrard Landing Park; Atlanta, GA

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Chattahoochee River

Station Name: CHATTAHOOCHEE R 0.39 MI DS GA140, ALPHARETTA, GA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 892 feet

Nearest Address:
Garrard Landing Park
Alpharetta, GA 30022
Fulton County

GPS Coordinates: 33.97305556, -84.26888889

Nearby Water Temperatures

Peachtree Creek, Brookhaven, GA (10.7 mi)
Chattahoochee River, Suwanee, GA (10.8 mi)
Suwanee Creek, Suwanee, GA (11.1 mi)
Level Creek, Suwanee, GA (13.9 mi)
Richland Creek, Sugar Hill, GA (15.8 mi)
Pole Bridge Creek, Lithonia, GA (22.1 mi)
Etowah River, Cartersville, GA (30 mi)
Chattahoochee River, Helen, GA (59 mi)
Falling Creek, Juliette, GA (68 mi)
Hiwassee River , Reliance, TN (85 mi)
Richard B. Russell Lake, Calhoun Falls, SC (94.9 mi)
Cheoah River, Tapoco, NC (103.2 mi)
Lake Strom Thurmond, McCormick, SC (110.7 mi)
Saluda River, Williamston, SC (113.2 mi)
Oconaluftee River, Birdtown, NC (115.2 mi)

Weather for Alpharetta, Georgia

Current Weather

35.5°F
Clear
Conditions: Clear
Humidity: 44%
Heat Index: 35.5°F
Feels Like: 26.6°F
Wind: NW 8.1 mph
Wind Gusts: 22 mph
Wind Chill: 26.6°F
Air Pressure: 1021.19 millibars
Dew Point: 26.6°F
Chance of Precipitation: 0%
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 10 mi
UV Index: 0

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 60°F
L: 32°F
Sunny
Tue
H: 42°F
L: 24°F
Sunny
Wed
H: 53°F
L: 28°F
Sunny
Thu
H: 56°F
L: 35°F
Moderate rain
Fri
H: 57°F
L: 45°F

Air Quality

AQI: 2 - Moderate
PM2.5: 5.45 μg/m3
PM10: 5.55 μg/m3
Carbon Monoxide: 228.85 μg/m3
Nitrogen Dioxide: 9.55 μg/m3
Sulphur Dioxide: 3.65 μg/m3
Ozone: 53 μg/m3

Astronomical

Sunrise: 7:42 AM
Sun Transit: 12:39 AM
Sunset: 5:37 PM
Daylight: 9 hrs 55 mins
Moonrise: 1:18 PM
Moon Transit: 8:18 PM
Moonset: 2:19 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%

Best Times for Fishing or Hunting

Major Periods

8:09 AM - 10:39 AM
7:48 PM - 10:18 PM

Minor Periods

12:48 AM - 2:18 PM
1:49 AM - 3:19 AM

Action Rating: 3 out of 5

Fire Weather Watch issued December 29 at 4:07PM EST until December 30 at 7:00PM EST by NWS Peachtree City GA

Effective: Mon December 29, 2025, 4:07 PM
Expires: Tue December 30, 2025, 12:15 AM

Default overview section The National Weather Service in Peachtree City has issued a Fire Weather Watch for low relative humidity and gusty winds, which is in effect from Tuesday afternoon through Tuesday evening. * Affected Area... East and Northeast Georgia * Timing... Tomorrow afternoon * Winds... Up to 25 mph; with gusts as high as 30 mph along ridgelines and peaks of NE Georgia * Relative Humidity... Falling below 25% by early afternoon. * Impacts... With elevated winds and low relative humidities, extremely dangerous fire weather conditions are possible.

This watch includes the Chattahoochee and Oconee National Forests. A Fire Weather Watch means that there is high potential for the development of critical fire weather conditions in 12 to 96 hours. Listen for later forecasts and possible Red Flag Warnings. Please refer to the local burn permitting authorities on whether you may burn outdoors. If you do burn outside...use extreme caution. Please advise the appropriate officials or fire crews in the field of the Fire Weather Watch.
Monday, December 29, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 49.4°F
Average Humidity: 61%
Chance of Rain: 87%
Wind: 19.9 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 5.27 μg/m3
PM10: 5.38 μg/m3
Carbon Monoxide: 186.93 μg/m3
Nitrogen Dioxide: 9.99 μg/m3
Sulphur Dioxide: 3.46 μg/m3
Ozone: 63.44 μg/m3

Astronomical

Sunrise: 7:42 AM
Sun Transit: 12:39 AM
Sunset: 5:37 PM
Daylight: 9 hrs 55 mins
Moonrise: 1:18 PM
Moon Transit: 8:18 PM
Moonset: 2:19 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%

Best Times for Fishing or Hunting

Major Periods

8:09 AM - 10:39 AM
7:48 PM - 10:18 PM

Minor Periods

12:48 AM - 2:18 PM
1:49 AM - 3:19 AM

Action Rating: 3 out of 5

Tuesday, December 30, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 32.1°F
Average Humidity: 50%
Chance of Rain: 0%
Wind: 14.5 mph
UV Index: 0.5

Air Quality

AQI: 1 - Good
PM2.5: 5.16 μg/m3
PM10: 5.27 μg/m3
Carbon Monoxide: 207.37 μg/m3
Nitrogen Dioxide: 9.43 μg/m3
Sulphur Dioxide: 4.72 μg/m3
Ozone: 56.24 μg/m3

Astronomical

Sunrise: 7:42 AM
Sun Transit: 12:39 AM
Sunset: 5:37 PM
Daylight: 9 hrs 56 mins
Moonrise: 1:57 PM
Moon Transit: 9:16 PM
Moonset: 3:30 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

9:04 AM - 11:34 AM
8:46 PM - 11:16 PM

Minor Periods

1:27 PM - 2:57 PM
3:00 AM - 4:30 AM

Action Rating: 2 out of 5

Wednesday, December 31, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 38°F
Average Humidity: 44%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 0.6

Air Quality

AQI: 1 - Good
PM2.5: 7.27 μg/m3
PM10: 7.48 μg/m3
Carbon Monoxide: 206.65 μg/m3
Nitrogen Dioxide: 13.65 μg/m3
Sulphur Dioxide: 5.51 μg/m3
Ozone: 54.76 μg/m3

Astronomical

Sunrise: 7:42 AM
Sun Transit: 12:40 AM
Sunset: 5:38 PM
Daylight: 9 hrs 56 mins
Moonrise: 2:44 PM
Moon Transit: 10:18 PM
Moonset: 4:45 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

10:04 AM - 12:34 AM
12:00 AM - 12:00 AM

Minor Periods

2:14 PM - 3:44 PM
4:15 AM - 5:45 AM

Action Rating: 2 out of 5

Thursday, January 1, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 44.5°F
Average Humidity: 55%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 11.09 μg/m3
PM10: 11.15 μg/m3
Carbon Monoxide: 239.16 μg/m3
Nitrogen Dioxide: 16.1 μg/m3
Sulphur Dioxide: 5.56 μg/m3
Ozone: 47.76 μg/m3

Astronomical

Sunrise: 7:42 AM
Sun Transit: 12:40 AM
Sunset: 5:39 PM
Daylight: 9 hrs 57 mins
Moonrise: 3:41 PM
Moon Transit: 11:24 PM
Moonset: 6:00 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

11:09 AM - 1:39 PM
12:00 AM - 12:00 AM

Minor Periods

3:11 PM - 4:41 PM
5:30 AM - 7:00 AM

Action Rating: 2 out of 5

Friday, January 2, 2026

Weather Forecast

Conditions: Moderate rain
Average Temperature: 49.4°F
Average Humidity: 72%
Chance of Rain: 88%
Wind: 8.5 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 21.2 μg/m3
PM10: 21.31 μg/m3
Carbon Monoxide: 316.93 μg/m3
Nitrogen Dioxide: 34 μg/m3
Sulphur Dioxide: 7.83 μg/m3
Ozone: 28.31 μg/m3

Astronomical

Sunrise: 7:43 AM
Sun Transit: 12:41 AM
Sunset: 5:40 PM
Daylight: 9 hrs 57 mins
Moonrise: 4:48 PM
Moon Transit: 12:00 AM
Moonset: 7:10 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:16 AM - 2:46 PM

Minor Periods

4:18 PM - 5:48 PM
6:40 AM - 8:10 AM

Action Rating: 5 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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