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Satellite view of Flat Rock Branch

Flat Rock Branch

River

Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 78°F, within the comfortable 70–86°F range.

  • Water temperature is 78°F, within the comfortable 70–86°F range.
  • Flow is within the normal range (25th–75th percentile) for Aug 22 (median 16 ft³/s over 29 years).

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Comfortable for a swim today

Good to swim

Comfortable for a swim today: water temperature is 78°F, within the comfortable 70–86°F range.

  • Water temperature is 78°F, within the comfortable 70–86°F range. USGS gauge 03539778, as of Aug 22, 3:45 AM gauge-local time
  • Flow is within the normal range (25th–75th percentile) for Aug 22 (median 16 ft³/s over 29 years). USGS daily streamflow statistics, as of Aug 22, 3:45 AM gauge-local time
Water temp
78°F
26°C
Streamflow
28 ft³/s
discharge
Gage height
4.38 ft
water level

Flow is normal for this date — within the normal range (25th–75th percentile) for Aug 22 (median 16 ft³/s over 29 years).

No official beach-advisory feed for Tennessee yet — follow posted signs and local guidance.

Live, provisional data from USGS gauge CLEAR CREEK AT LILLY BRIDGE NEAR LANCING, TN (6.5 mi away), as of Aug 22, 3:45 AM gauge-local time.

Weather at Flat Rock Branch

H: 89° L: 64°
Partly Cloudy
Partly Cloudy
65°
|
Feels like 68°
Precipitation
7%
Humidity
94%
Wind
2 mph
UV Index
0
Water Conditions:
🥶Too cold for most swimmers
12 AM
Mist
69°
3 AM
Mist
66°
6 AM
Clear
64°
9 AM
Sunny
78°
12 PM
Sunny
88°
3 PM
Sunny
89°
6 PM
Thundery outbreaks in nearby
78°
9 PM
Clear
73°

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Frequently asked questions

Where is Flat Rock Branch?
Flat Rock Branch is a river in Tennessee.
What is the water temperature at Flat Rock Branch?
As of August 22, 2026, the water temperature at Flat Rock Branch in Tennessee is 78°F (26°C), measured by USGS gauge 03539778, 6.5 miles away.
Can you swim at Flat Rock Branch?
Comfortable for a swim today: water temperature is 78°F, within the comfortable 70–86°F range. Checked August 22, 2026.

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🌊 Rivers & Streams Tips:
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  • Respect private property along riverbanks
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Location & Contact

Tennessee

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