Water Temperature of the Chattahoochee River in Alpharetta, GA

Current Water Temperature

58.8°F

Measurement Time: Wednesday, September 17, 2025, 11:00 PM EDT

Temperature Locations

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Local Points of Interest

Garrard Landing Park; Atlanta, GA

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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 / 272 meters

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 (30.0 mi)
Chattahoochee River, Helen, GA (59.0 mi)
Falling Creek, Juliette, GA (68.0 mi)
Hiwassee River , Reliance, TN (85.0 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

69.1°F
Clear
Conditions: Clear
Humidity: 87%
Feels Like: 69.1°F
Wind: NNE 2.2 mph
Wind Gusts: 2.6 mph
Pressure: 30.02 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 8 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Thu
H: 89°F
L: 71°F
Heavy rain
Fri
H: 85°F
L: 73°F
Heavy rain
Sat
H: 85°F
L: 71°F
Partly Cloudy
Sun
H: 88°F
L: 66°F
Sunny
Mon
H: 87°F
L: 67°F

Air Quality

PM2.5: 40.7 μg/m3
PM10: 41.44 μg/m3
Carbon Monoxide: 808.45 μg/m3
Nitrogen Dioxide: 49.95 μg/m3
Sulphur Dioxide: 7.4 μg/m3
Ozone: 36 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 1:31 PM
Sunset: 7:39 PM
Daylight: 12 hrs 16 mins
Moonrise: 4:06 AM
Moon Transit: 11:13 AM
Moonset: 6:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:43 AM - 1:13 PM

Minor Periods

5:42 PM - 7:12 PM
3:36 AM - 5:06 AM

Action Rating: 3 out of 5

Air Quality Alert issued September 17 at 2:18PM EDT by NWS Peachtree City GA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Wed September 17, 2025, 2:18 PM
Expires: Thu September 18, 2025, 6:30 PM

AQAFFC The Georgia Department of Natural Resources, Environmental Protection Division has issued a Code Orange (Unhealthy for sensitive groups) Air Quality Alert for Atlanta for Thursday September 18. 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 late afternoon or early evening when ozone concentrations are highest. For additional information on the Air Quality Index, please visit http://airnow.gov.


Air Quality Alert issued September 17 at 2:18PM EDT by NWS Peachtree City GA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Wed September 17, 2025, 2:18 PM
Expires: Thu September 18, 2025, 6:30 PM

AQAFFC The Georgia Department of Natural Resources, Environmental Protection Division has issued a Code Orange (Unhealthy for sensitive groups) Air Quality Alert for Atlanta for Thursday September 18. 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 late afternoon or early evening when ozone concentrations are highest. For additional information on the Air Quality Index, please visit http://airnow.gov.


Air Quality Alert issued September 17 at 2:18PM EDT by NWS Peachtree City GA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Wed September 17, 2025, 2:18 PM
Expires: Thu September 18, 2025, 6:30 PM

AQAFFC The Georgia Department of Natural Resources, Environmental Protection Division has issued a Code Orange (Unhealthy for sensitive groups) Air Quality Alert for Atlanta for Thursday September 18. 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 late afternoon or early evening when ozone concentrations are highest. For additional information on the Air Quality Index, please visit http://airnow.gov.


Air Quality Alert issued September 17 at 2:18PM EDT by NWS Peachtree City GA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Wed September 17, 2025, 2:18 PM
Expires: Thu September 18, 2025, 6:30 PM

AQAFFC The Georgia Department of Natural Resources, Environmental Protection Division has issued a Code Orange (Unhealthy for sensitive groups) Air Quality Alert for Atlanta for Thursday September 18. 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 late afternoon or early evening when ozone concentrations are highest. For additional information on the Air Quality Index, please visit http://airnow.gov.


Air Quality Alert issued September 17 at 2:18PM EDT by NWS Peachtree City GA

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Wed September 17, 2025, 2:18 PM
Expires: Thu September 18, 2025, 6:30 PM

AQAFFC The Georgia Department of Natural Resources, Environmental Protection Division has issued a Code Orange (Unhealthy for sensitive groups) Air Quality Alert for Atlanta for Thursday September 18. 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 late afternoon or early evening when ozone concentrations are highest. For additional information on the Air Quality Index, please visit http://airnow.gov.


Thursday, September 18, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 79°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 6.7 mph
UV Index: 1.7

Air Quality

AQI: 2 - Moderate
PM2.5: 37.16 μg/m3
PM10: 37.84 μg/m3
Carbon Monoxide: 552.41 μg/m3
Nitrogen Dioxide: 39.27 μg/m3
Sulphur Dioxide: 7.44 μg/m3
Ozone: 93.28 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 1:31 PM
Sunset: 7:39 PM
Daylight: 12 hrs 16 mins
Moonrise: 4:06 AM
Moon Transit: 11:13 AM
Moonset: 6:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
10:43 AM - 1:13 PM

Minor Periods

5:42 PM - 7:12 PM
3:36 AM - 5:06 AM

Action Rating: 3 out of 5

Friday, September 19, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 79.1°F
Average Humidity: 69%
Chance of Rain: 84%
Wind: 9.6 mph
UV Index: 1.5

Air Quality

AQI: 2 - Moderate
PM2.5: 32.92 μg/m3
PM10: 33.51 μg/m3
Carbon Monoxide: 662.52 μg/m3
Nitrogen Dioxide: 25.25 μg/m3
Sulphur Dioxide: 8.33 μg/m3
Ozone: 114.84 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 1:30 PM
Sunset: 7:37 PM
Daylight: 12 hrs 14 mins
Moonrise: 5:10 AM
Moon Transit: 12:00 AM
Moonset: 6:40 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
11:30 AM - 2:00 PM

Minor Periods

6:10 PM - 7:40 PM
4:40 AM - 6:10 AM

Action Rating: 3 out of 5

Saturday, September 20, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 77.9°F
Average Humidity: 74%
Chance of Rain: 79%
Wind: 11.2 mph
UV Index: 1.5

Air Quality

AQI: 2 - Moderate
PM2.5: 32.66 μg/m3
PM10: 33.1 μg/m3
Carbon Monoxide: 468.49 μg/m3
Nitrogen Dioxide: 19.93 μg/m3
Sulphur Dioxide: 8.01 μg/m3
Ozone: 110.6 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 1:30 PM
Sunset: 7:36 PM
Daylight: 12 hrs 12 mins
Moonrise: 6:11 AM
Moon Transit: 12:42 AM
Moonset: 7:06 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:38 AM - 3:08 AM
12:12 AM - 2:42 PM

Minor Periods

6:36 PM - 8:06 PM
5:41 AM - 7:11 AM

Action Rating: 4 out of 5

Sunday, September 21, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 76.5°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 1.8

Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 42.65 μg/m3
PM10: 43.06 μg/m3
Carbon Monoxide: 532.37 μg/m3
Nitrogen Dioxide: 26.37 μg/m3
Sulphur Dioxide: 7.17 μg/m3
Ozone: 83.62 μg/m3

Astronomical

Sunrise: 7:24 AM
Sun Transit: 1:29 PM
Sunset: 7:35 PM
Daylight: 12 hrs 10 mins
Moonrise: 7:10 AM
Moon Transit: 1:24 PM
Moonset: 7:30 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

1:20 AM - 3:50 AM
12:54 AM - 3:24 PM

Minor Periods

7:00 PM - 8:30 PM
6:40 AM - 8:10 AM

Action Rating: 3 out of 5

Monday, September 22, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 74.4°F
Average Humidity: 55%
Chance of Rain: 0%
Wind: 8.7 mph
UV Index: 0

Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 1:29 PM
Sunset: 7:33 PM
Daylight: 12 hrs 8 mins
Moonrise: 8:08 AM
Moon Transit: 2:04 PM
Moonset: 7:54 PM
Moon Phase: New
Moon Illumination: 2.9%

Best Times for Fishing or Hunting

Major Periods

2:01 AM - 4:31 AM
1:34 PM - 4:04 PM

Minor Periods

7:24 PM - 8:54 PM
7:38 AM - 9:08 AM

Action Rating: 5 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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