Water Temperature of the Chattahoochee River in Alpharetta, GA

Current Water Temperature

58.5°F

Measurement Time: Sunday, July 12, 2026, 2:00 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

73.9°F
Clear
Clear
78.1°F
76°F
91%
WSW 5.1 mph
8.1 mph
71.2°F
68.9°F
0 in
0%
9 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Sun
H: 90°F
L: 71°F
Patchy rain nearby
Mon
H: 84°F
L: 71°F
Patchy rain nearby
Tue
H: 85°F
L: 70°F
Partly Cloudy
Wed
H: 90°F
L: 72°F
Sunny
Thu
H: 96°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 11.6 μg/m3
PM10: 13.5 μg/m3
Carbon Monoxide: 151 μg/m3
Nitrogen Dioxide: 7.1 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 60 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:42 PM
Sunset: 8:50 PM
Daylight: 14 hrs 15 mins
Moonrise: 4:12 AM
Moon Transit: 11:55 AM
Moonset: 7:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:25 AM - 1:55 PM

Minor Periods

7:09 PM - 8:39 PM
3:42 AM - 5:12 AM

Action Rating: 3 out of 5

Sunday, July 12, 2026

Weather Forecast

Sunny
89.6°F
71.1°F
77.9°F
83%
0.27 in
72%
0%
9.6 mph
10.6


Air Quality

AQI: 2 - Moderate
PM2.5: 15.95 μg/m3
PM10: 20.87 μg/m3
Carbon Monoxide: 135.79 μg/m3
Nitrogen Dioxide: 6.52 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 70.25 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:42 PM
Sunset: 8:50 PM
Daylight: 14 hrs 15 mins
Moonrise: 4:12 AM
Moon Transit: 11:55 AM
Moonset: 7:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:25 AM - 1:55 PM

Minor Periods

7:09 PM - 8:39 PM
3:42 AM - 5:12 AM

Action Rating: 3 out of 5

Monday, July 13, 2026

Weather Forecast

Patchy rain nearby
84°F
70.8°F
75.9°F
82%
0.46 in
84%
0%
6.5 mph
6.3


Air Quality

AQI: 1 - Good
PM2.5: 6.24 μg/m3
PM10: 6.57 μg/m3
Carbon Monoxide: 142.29 μg/m3
Nitrogen Dioxide: 8.27 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 75.29 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 1:42 PM
Sunset: 8:50 PM
Daylight: 14 hrs 14 mins
Moonrise: 5:20 AM
Moon Transit: 1:02 PM
Moonset: 8:38 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:46 AM - 3:16 AM
12:32 AM - 3:02 PM

Minor Periods

8:08 PM - 9:38 PM
4:50 AM - 6:20 AM

Action Rating: 4 out of 5

Tuesday, July 14, 2026

Weather Forecast

Patchy rain nearby
84.6°F
70.2°F
75.9°F
83%
0.26 in
83%
0%
4.9 mph
5.5


Air Quality

AQI: 1 - Good
PM2.5: 7.12 μg/m3
PM10: 7.23 μg/m3
Carbon Monoxide: 173.25 μg/m3
Nitrogen Dioxide: 12.31 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 71.17 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:43 PM
Sunset: 8:49 PM
Daylight: 14 hrs 13 mins
Moonrise: 6:36 AM
Moon Transit: 2:05 PM
Moonset: 9:27 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

1:52 AM - 4:22 AM
1:35 PM - 4:05 PM

Minor Periods

8:57 PM - 10:27 PM
6:06 AM - 7:36 AM

Action Rating: 4 out of 5

Wednesday, July 15, 2026

Weather Forecast

Partly Cloudy
89.5°F
71.6°F
79.7°F
70%
0 in
17%
0%
9.2 mph
10.7


Air Quality

AQI: 1 - Good
PM2.5: 6.35 μg/m3
PM10: 6.41 μg/m3
Carbon Monoxide: 253.56 μg/m3
Nitrogen Dioxide: 9.77 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 74.75 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 1:43 PM
Sunset: 8:49 PM
Daylight: 14 hrs 12 mins
Moonrise: 7:52 AM
Moon Transit: 3:04 PM
Moonset: 10:07 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
2:34 PM - 5:04 PM

Minor Periods

9:37 PM - 11:07 PM
7:22 AM - 8:52 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
95.8°F
71.3°F
82.6°F
65%
0 in
5%
0%
11 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 8.79 μg/m3
PM10: 8.81 μg/m3
Carbon Monoxide: 286.11 μg/m3
Nitrogen Dioxide: 9.91 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 65.44 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 1:43 PM
Sunset: 8:49 PM
Daylight: 14 hrs 11 mins
Moonrise: 9:04 AM
Moon Transit: 3:57 PM
Moonset: 10:40 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

3:49 AM - 6:19 AM
3:27 PM - 5:57 PM

Minor Periods

10:10 PM - 11:40 PM
8:34 AM - 10:04 AM

Action Rating: 4 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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