Water Temperature of the Chattahoochee River in Alpharetta, GA

Current Water Temperature

57.6°F

Measurement Time: Thursday, July 23, 2026, 7:00 AM EDT

Temperature Locations

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Local Points of Interest

Garrard Landing Park; Atlanta, GA

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

Chattahoochee River, Johns Creek, GA (4.2 mi)
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)

Weather for Alpharetta, Georgia

Current Weather

82°F
Partly cloudy
Partly cloudy
88.4°F
98.4°F
74%
WSW 8.9 mph
10.3 mph
86.4°F
78°F
0 in
75%
9 mi
1020 mbar
3.5

Five Day Weather Forecast

Sunny
Thu
H: 92°F
L: 72°F
Patchy rain nearby
Fri
H: 85°F
L: 73°F
Mist
Sat
H: 84°F
L: 73°F
Partly Cloudy
Sun
H: 92°F
L: 74°F
Sunny
Mon
H: 99°F
L: 78°F

Air Quality

AQI: 1 - Good
PM2.5: 10.9 μg/m3
PM10: 14.5 μg/m3
Carbon Monoxide: 112 μg/m3
Nitrogen Dioxide: 2.8 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 78 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:43 PM
Sunset: 8:45 PM
Daylight: 14 hrs 2 mins
Moonrise: 4:20 PM
Moon Transit: 9:16 PM
Moonset: 1:32 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

9:09 AM - 11:39 AM
8:46 PM - 11:16 PM

Minor Periods

3:50 PM - 5:20 PM
1:02 AM - 2:32 AM

Action Rating: 3 out of 5

Thursday, July 23, 2026

Weather Forecast

Sunny
92.3°F
72°F
81.5°F
76%
0.08 in
57%
0%
9.6 mph
9.9


Air Quality

AQI: 1 - Good
PM2.5: 11.63 μg/m3
PM10: 14.46 μg/m3
Carbon Monoxide: 127.29 μg/m3
Nitrogen Dioxide: 7.8 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 59.83 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:43 PM
Sunset: 8:45 PM
Daylight: 14 hrs 2 mins
Moonrise: 4:20 PM
Moon Transit: 9:16 PM
Moonset: 1:32 AM
Moon Phase: First Quarter
Moon Illumination: 66.1%

Best Times for Fishing or Hunting

Major Periods

9:09 AM - 11:39 AM
8:46 PM - 11:16 PM

Minor Periods

3:50 PM - 5:20 PM
1:02 AM - 2:32 AM

Action Rating: 3 out of 5

Friday, July 24, 2026

Weather Forecast

Patchy rain nearby
84.8°F
73.1°F
77.6°F
85%
1.76 in
87%
0%
4.7 mph
6.2


Air Quality

AQI: 1 - Good
PM2.5: 11.79 μg/m3
PM10: 13.13 μg/m3
Carbon Monoxide: 153.63 μg/m3
Nitrogen Dioxide: 15.24 μg/m3
Sulphur Dioxide: 1.27 μg/m3
Ozone: 59.83 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 1:43 PM
Sunset: 8:44 PM
Daylight: 14 hrs 1 mins
Moonrise: 5:18 PM
Moon Transit: 10:06 PM
Moonset: 2:10 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

9:58 AM - 12:28 AM
12:00 AM - 12:00 AM

Minor Periods

4:48 PM - 6:18 PM
1:40 AM - 3:10 AM

Action Rating: 2 out of 5

Saturday, July 25, 2026

Weather Forecast

Mist
84°F
73.2°F
77.8°F
84%
0.28 in
79%
0%
9.2 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 10.67 μg/m3
PM10: 11.7 μg/m3
Carbon Monoxide: 155.71 μg/m3
Nitrogen Dioxide: 12.35 μg/m3
Sulphur Dioxide: 1.12 μg/m3
Ozone: 62.88 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 1:43 PM
Sunset: 8:43 PM
Daylight: 13 hrs 59 mins
Moonrise: 6:13 PM
Moon Transit: 10:57 PM
Moonset: 2:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

10:49 AM - 1:19 PM
12:00 AM - 12:00 AM

Minor Periods

5:43 PM - 7:13 PM
2:23 AM - 3:53 AM

Action Rating: 2 out of 5

Sunday, July 26, 2026

Weather Forecast

Partly Cloudy
91.9°F
73.5°F
82.5°F
68%
0 in
10%
0%
10.1 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 5.81 μg/m3
PM10: 5.96 μg/m3
Carbon Monoxide: 147.6 μg/m3
Nitrogen Dioxide: 5.14 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 86.58 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:43 PM
Sunset: 8:43 PM
Daylight: 13 hrs 58 mins
Moonrise: 7:03 PM
Moon Transit: 11:49 PM
Moonset: 3:42 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

11:40 AM - 2:10 PM
12:00 AM - 12:00 AM

Minor Periods

6:33 PM - 8:03 PM
3:12 AM - 4:42 AM

Action Rating: 2 out of 5

Monday, July 27, 2026

Weather Forecast

Sunny
99.3°F
78.4°F
88.3°F
56%
0 in
3%
0%
8.7 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 13 μg/m3
PM10: 13.07 μg/m3
Carbon Monoxide: 304.33 μg/m3
Nitrogen Dioxide: 16.33 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 36.44 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 1:43 PM
Sunset: 8:42 PM
Daylight: 13 hrs 57 mins
Moonrise: 7:47 PM
Moon Transit: 12:00 AM
Moonset: 4:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:32 AM - 3:02 PM

Minor Periods

7:17 PM - 8:47 PM
4:08 AM - 5:38 AM

Action Rating: 3 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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