Water Temperature of the Chattahoochee River in Alpharetta, GA

Current Water Temperature

55.8°F

Measurement Time: Friday, May 22, 2026, 9:00 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

84°F
Partly cloudy
Partly cloudy
83.4°F
90.6°F
55%
SSE 5.1 mph
8.3 mph
89.2°F
62.7°F
0 in
50%
9 mi
1018 mbar
5.2

Five Day Weather Forecast

Moderate rain
Fri
H: 93°F
L: 69°F
Moderate rain
Sat
H: 73°F
L: 65°F
Moderate rain
Sun
H: 80°F
L: 65°F
Heavy rain
Mon
H: 80°F
L: 67°F
Moderate rain
Tue
H: 81°F
L: 67°F

Air Quality

AQI: 1 - Good
PM2.5: 7.05 μg/m3
PM10: 8.45 μg/m3
Carbon Monoxide: 146.85 μg/m3
Nitrogen Dioxide: 3.35 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 99 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:33 PM
Sunset: 8:37 PM
Daylight: 14 hrs 6 mins
Moonrise: 12:33 AM
Moon Transit: 7:28 PM
Moonset: 1:41 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

7:20 AM - 9:50 AM
6:58 PM - 9:28 PM

Minor Periods

12:03 AM - 1:33 PM
1:11 AM - 2:41 AM

Action Rating: 2 out of 5

Friday, May 22, 2026

Weather Forecast

Moderate rain
92.5°F
68.9°F
78.5°F
67%
0.5 in
81%
0%
9.4 mph
5.2


Air Quality

AQI: 1 - Good
PM2.5: 11.26 μg/m3
PM10: 12.17 μg/m3
Carbon Monoxide: 182.81 μg/m3
Nitrogen Dioxide: 13.01 μg/m3
Sulphur Dioxide: 1.94 μg/m3
Ozone: 69.84 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:33 PM
Sunset: 8:37 PM
Daylight: 14 hrs 6 mins
Moonrise: 12:33 AM
Moon Transit: 7:28 PM
Moonset: 1:41 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

7:20 AM - 9:50 AM
6:58 PM - 9:28 PM

Minor Periods

12:03 AM - 1:33 PM
1:11 AM - 2:41 AM

Action Rating: 2 out of 5

Saturday, May 23, 2026

Weather Forecast

Moderate rain
73.1°F
65.3°F
68.3°F
95%
0.69 in
92%
0%
8.1 mph
8


Air Quality

AQI: 1 - Good
PM2.5: 5.98 μg/m3
PM10: 6.47 μg/m3
Carbon Monoxide: 156.81 μg/m3
Nitrogen Dioxide: 8.31 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 62.12 μg/m3

Astronomical

Sunrise: 6:31 AM
Sun Transit: 1:33 PM
Sunset: 8:38 PM
Daylight: 14 hrs 7 mins
Moonrise: 1:38 PM
Moon Transit: 8:14 PM
Moonset: 2:14 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

8:08 AM - 10:38 AM
7:44 PM - 10:14 PM

Minor Periods

1:08 PM - 2:38 PM
1:44 AM - 3:14 AM

Action Rating: 2 out of 5

Sunday, May 24, 2026

Weather Forecast

Moderate rain
79.6°F
64.9°F
71.2°F
88%
0.51 in
88%
0%
6.9 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 9.02 μg/m3
PM10: 9.42 μg/m3
Carbon Monoxide: 151.45 μg/m3
Nitrogen Dioxide: 11.09 μg/m3
Sulphur Dioxide: 1.88 μg/m3
Ozone: 61.4 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:33 PM
Sunset: 8:38 PM
Daylight: 14 hrs 8 mins
Moonrise: 2:40 PM
Moon Transit: 8:57 PM
Moonset: 2:42 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

8:53 AM - 11:23 AM
8:27 PM - 10:57 PM

Minor Periods

2:10 PM - 3:40 PM
2:12 AM - 3:42 AM

Action Rating: 3 out of 5

Monday, May 25, 2026

Weather Forecast

Heavy rain
80.2°F
67.2°F
73°F
88%
1.54 in
86%
0%
7.4 mph
10.1


Air Quality

AQI: 1 - Good
PM2.5: 9.14 μg/m3
PM10: 9.47 μg/m3
Carbon Monoxide: 162.67 μg/m3
Nitrogen Dioxide: 11.38 μg/m3
Sulphur Dioxide: 2.07 μg/m3
Ozone: 66.52 μg/m3

Astronomical

Sunrise: 6:30 AM
Sun Transit: 1:34 PM
Sunset: 8:39 PM
Daylight: 14 hrs 9 mins
Moonrise: 3:39 PM
Moon Transit: 9:39 PM
Moonset: 3:07 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

9:35 AM - 12:05 AM
9:09 PM - 11:39 PM

Minor Periods

3:09 PM - 4:39 PM
2:37 AM - 4:07 AM

Action Rating: 3 out of 5

Tuesday, May 26, 2026

Weather Forecast

Moderate rain
80.8°F
66.8°F
72°F
87%
0.41 in
83%
0%
7.2 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 8.7 μg/m3
PM10: 9.07 μg/m3
Carbon Monoxide: 201.41 μg/m3
Nitrogen Dioxide: 15.13 μg/m3
Sulphur Dioxide: 2.01 μg/m3
Ozone: 48.77 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 1:34 PM
Sunset: 8:40 PM
Daylight: 14 hrs 10 mins
Moonrise: 4:38 PM
Moon Transit: 10:21 PM
Moonset: 3:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

10:17 AM - 12:47 AM
12:00 AM - 12:00 AM

Minor Periods

4:08 PM - 5:38 PM
3:02 AM - 4:32 AM

Action Rating: 2 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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