Water Temperature of the Chattahoochee River in Alpharetta, GA

Current Water Temperature

58.6°F

Measurement Time: Tuesday, April 21, 2026, 2:00 PM 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

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

75.9°F
Sunny
Sunny
74.2°F
77.2°F
22%
ESE 5.6 mph
6.4 mph
80°F
36.2°F
0 in
0%
9 mi
1024 mbar
1.2

Five Day Weather Forecast

Sunny
Tue
H: 83°F
L: 47°F
Sunny
Wed
H: 82°F
L: 54°F
Partly Cloudy
Thu
H: 81°F
L: 61°F
Partly Cloudy
Fri
H: 82°F
L: 64°F
Moderate rain
Sat
H: 66°F
L: 63°F

Air Quality

AQI: 1 - Good
PM2.5: 14.45 μg/m3
PM10: 17.25 μg/m3
Carbon Monoxide: 199.85 μg/m3
Nitrogen Dioxide: 21.35 μg/m3
Sulphur Dioxide: 5.35 μg/m3
Ozone: 110 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:35 PM
Sunset: 8:13 PM
Daylight: 13 hrs 14 mins
Moonrise: 10:06 AM
Moon Transit: 5:50 PM
Moonset: 12:29 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

5:35 AM - 8:05 AM
5:20 PM - 7:50 PM

Minor Periods

9:36 AM - 11:06 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Special Weather Statement issued April 21 at 2:15AM EDT by NWS Peachtree City GA

Effective: Tue April 21, 2026, 2:15 AM
Expires: Tue April 21, 2026, 8:00 PM

Relative Humidities of 30 percent or less can be expected for 4 or more hours this afternoon into the evening. Winds will be variable at 3 to 6 MPH. With dry fuels, high fire danger conditions can be expected. Please refer to your local burn permitting authorities whether you may burn outdoors. If you do burn outside, use extreme caution.


Tuesday, April 21, 2026

Weather Forecast

Sunny
82.8°F
46.9°F
65°F
40%
0 in
0%
0%
8.1 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 9.56 μg/m3
PM10: 11.98 μg/m3
Carbon Monoxide: 209.01 μg/m3
Nitrogen Dioxide: 16.22 μg/m3
Sulphur Dioxide: 3.76 μg/m3
Ozone: 100.92 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 1:35 PM
Sunset: 8:13 PM
Daylight: 13 hrs 14 mins
Moonrise: 10:06 AM
Moon Transit: 5:50 PM
Moonset: 12:29 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

5:35 AM - 8:05 AM
5:20 PM - 7:50 PM

Minor Periods

9:36 AM - 11:06 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, April 22, 2026

Weather Forecast

Sunny
82.4°F
54°F
69.4°F
27%
0 in
0%
0%
7.8 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 8.9 μg/m3
PM10: 11.29 μg/m3
Carbon Monoxide: 185.85 μg/m3
Nitrogen Dioxide: 12.31 μg/m3
Sulphur Dioxide: 4.75 μg/m3
Ozone: 111.04 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 1:35 PM
Sunset: 8:14 PM
Daylight: 13 hrs 16 mins
Moonrise: 11:15 AM
Moon Transit: 6:52 PM
Moonset: 1:31 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

6:39 AM - 9:09 AM
6:22 PM - 8:52 PM

Minor Periods

10:45 AM - 12:15 AM
1:01 AM - 2:31 AM

Action Rating: 3 out of 5

Thursday, April 23, 2026

Weather Forecast

Partly Cloudy
81.4°F
61.3°F
71.8°F
37%
0 in
0%
0%
9.6 mph
8.2


Air Quality

AQI: 1 - Good
PM2.5: 11.11 μg/m3
PM10: 14.02 μg/m3
Carbon Monoxide: 195.49 μg/m3
Nitrogen Dioxide: 16.64 μg/m3
Sulphur Dioxide: 4.15 μg/m3
Ozone: 105.28 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 1:35 PM
Sunset: 8:15 PM
Daylight: 13 hrs 18 mins
Moonrise: 12:26 AM
Moon Transit: 7:50 PM
Moonset: 2:24 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

7:39 AM - 10:09 AM
7:20 PM - 9:50 PM

Minor Periods

11:56 AM - 1:26 PM
1:54 AM - 3:24 AM

Action Rating: 2 out of 5

Friday, April 24, 2026

Weather Forecast

Partly Cloudy
82°F
63.9°F
73.1°F
40%
0 in
0%
0%
7.4 mph
7.9


Air Quality

AQI: 2 - Moderate
PM2.5: 16.14 μg/m3
PM10: 18.59 μg/m3
Carbon Monoxide: 236.69 μg/m3
Nitrogen Dioxide: 25.43 μg/m3
Sulphur Dioxide: 4.51 μg/m3
Ozone: 86.6 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 1:35 PM
Sunset: 8:16 PM
Daylight: 13 hrs 20 mins
Moonrise: 1:35 PM
Moon Transit: 8:42 PM
Moonset: 3:06 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

8:34 AM - 11:04 AM
8:12 PM - 10:42 PM

Minor Periods

1:05 PM - 2:35 PM
2:36 AM - 4:06 AM

Action Rating: 3 out of 5

Saturday, April 25, 2026

Weather Forecast

Moderate rain
65.6°F
62.6°F
65°F
83%
0.34 in
86%
0%
6 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 9.27 μg/m3
PM10: 10.3 μg/m3
Carbon Monoxide: 202.97 μg/m3
Nitrogen Dioxide: 12.74 μg/m3
Sulphur Dioxide: 3.33 μg/m3
Ozone: 80.46 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 1:35 PM
Sunset: 8:16 PM
Daylight: 13 hrs 22 mins
Moonrise: 2:41 PM
Moon Transit: 9:30 PM
Moonset: 3:41 AM
Moon Phase: First Quarter
Moon Illumination: 61.6%

Best Times for Fishing or Hunting

Major Periods

9:24 AM - 11:54 AM
9:00 PM - 11:30 PM

Minor Periods

2:11 PM - 3:41 PM
3:11 AM - 4:41 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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