Water Temperature of the Chattahoochee River in Alpharetta, GA

Current Water Temperature

56.5°F

Measurement Time: Wednesday, April 22, 2026, 7:00 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

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

64.9°F
Clear
Clear
64.9°F
66.7°F
51%
W 2.2 mph
6.7 mph
66.7°F
33.9°F
0 in
0%
8 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 87°F
L: 51°F
Sunny
Thu
H: 85°F
L: 57°F
Partly Cloudy
Fri
H: 83°F
L: 63°F
Patchy rain nearby
Sat
H: 79°F
L: 63°F
Moderate rain
Sun
H: 82°F
L: 60°F

Air Quality

AQI: 1 - Good
PM2.5: 17.65 μg/m3
PM10: 20.45 μg/m3
Carbon Monoxide: 223.85 μg/m3
Nitrogen Dioxide: 35.15 μg/m3
Sulphur Dioxide: 4.85 μg/m3
Ozone: 50 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

Special Weather Statement issued April 22 at 2:11AM EDT by NWS Peachtree City GA

Effective: Wed April 22, 2026, 2:11 AM
Expires: Wed April 22, 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 SW at 4 to 8 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.


Air Quality Alert issued April 22 at 2:18PM EDT by NWS Peachtree City GA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Wed April 22, 2026, 2:18 PM
Expires: Thu April 23, 2026, 6:30 PM

AQAFFC Ozone, when coupled with smoke originating from wildfires in south Georgia and north Florida, is supportive of a Code Orange (Unhealthy for Sensitive Groups) Air Quality Alert for Thursday, April 23... per the Georgia Department of Natural Resources, Environmental Protection Division. Under Code Orange conditions, the outdoor air quality is likely to be unhealthy for some people. Children, people who are sensitive to ozone, and people with heart or lung disease should limit prolonged outdoor exertion during the later afternoon or early evening when ozone concentrations are highest. For additional information on the Air Quality Index, please visit http://airnow.gov.


Special Weather Statement issued April 22 at 8:09PM EDT by NWS Peachtree City GA

Effective: Wed April 22, 2026, 8:09 PM
Expires: Thu April 23, 2026, 11:00 AM

Smoke from wildfires in south Georgia will lead to areas of reduced visibilities, largely between 3 and 6 miles, from late tonight through Thursday morning. The greatest visibility reductions are expected in central Georgia, though noticeable wildfire smoke is still expected in parts of north Georgia. Visible smoke should be most prominent during the early to mid morning hours Thursday before improving by late morning and afternoon. Additionally, areas of reduced air quality are possible in association with the smoke. Those with asthma and other respiratory concerns should consider limiting prolonged outdoor activity and exertion.


Wednesday, April 22, 2026

Weather Forecast

Sunny
87.1°F
51.1°F
69°F
39%
0 in
0%
0%
4.9 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 8.91 μg/m3
PM10: 11.62 μg/m3
Carbon Monoxide: 201.85 μg/m3
Nitrogen Dioxide: 11.23 μg/m3
Sulphur Dioxide: 4.57 μg/m3
Ozone: 112.56 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

Sunny
84.5°F
56.8°F
71.1°F
34%
0 in
0%
0%
7.4 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 11.96 μg/m3
PM10: 14.98 μg/m3
Carbon Monoxide: 204.65 μg/m3
Nitrogen Dioxide: 17.94 μg/m3
Sulphur Dioxide: 4.17 μg/m3
Ozone: 104.08 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
82.6°F
62.7°F
73.2°F
39%
0 in
0%
0%
8.7 mph
6.3


Air Quality

AQI: 1 - Good
PM2.5: 10.42 μg/m3
PM10: 12.23 μg/m3
Carbon Monoxide: 222.09 μg/m3
Nitrogen Dioxide: 11.99 μg/m3
Sulphur Dioxide: 3.43 μg/m3
Ozone: 104.76 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

Patchy rain nearby
78.8°F
62.5°F
69.9°F
63%
0.09 in
89%
0%
7.4 mph
5.4


Air Quality

AQI: 1 - Good
PM2.5: 5.3 μg/m3
PM10: 5.64 μg/m3
Carbon Monoxide: 190.1 μg/m3
Nitrogen Dioxide: 9.07 μg/m3
Sulphur Dioxide: 2.73 μg/m3
Ozone: 88.04 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

Sunday, April 26, 2026

Weather Forecast

Moderate rain
81.5°F
59.7°F
69.5°F
72%
0.38 in
88%
0%
6.9 mph
7.4


Air Quality

AQI: 1 - Good
PM2.5: 8.29 μg/m3
PM10: 8.57 μg/m3
Carbon Monoxide: 241.53 μg/m3
Nitrogen Dioxide: 18.74 μg/m3
Sulphur Dioxide: 3.29 μg/m3
Ozone: 60.23 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 1:34 PM
Sunset: 8:17 PM
Daylight: 13 hrs 24 mins
Moonrise: 3:44 PM
Moon Transit: 10:15 PM
Moonset: 4:11 AM
Moon Phase: First Quarter
Moon Illumination: 72.3%

Best Times for Fishing or Hunting

Major Periods

10:10 AM - 12:40 AM
12:00 AM - 12:00 AM

Minor Periods

3:14 PM - 4:44 PM
3:41 AM - 5:11 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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