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Satellite view of Cold Brook

Cold Brook

River

Live flow only — judge the water in person

Use caution

Live flow only — judge the water in person: live streamflow is available but no water-temperature sensor is nearby.

  • Live streamflow is available but no water-temperature sensor is nearby.
  • Flow is within the normal range (25th–75th percentile) for Aug 22 (median 116 ft³/s over 80 years).
Use cautionCool today

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Live flow only — judge the water in person

Use caution

Live flow only — judge the water in person: live streamflow is available but no water-temperature sensor is nearby.

  • Live streamflow is available but no water-temperature sensor is nearby. USGS gauge 01130000, as of Aug 22, 5:30 AM gauge-local time
  • Flow is within the normal range (25th–75th percentile) for Aug 22 (median 116 ft³/s over 80 years). USGS daily streamflow statistics, as of Aug 22, 5:30 AM gauge-local time
Streamflow
81 ft³/s
discharge
Gage height
1.81 ft
water level

Flow is normal for this date — within the normal range (25th–75th percentile) for Aug 22 (median 116 ft³/s over 80 years).

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

Live, provisional data from USGS gauge UPPER AMMONOOSUC RIVER NEAR GROVETON, NH (9.5 mi away), as of Aug 22, 5:30 AM gauge-local time.

Weather at Cold Brook

H: 75° L: 51°
Clear
Clear
52°
|
Feels like 49°
Precipitation
17%
Humidity
66%
Wind
2 mph
UV Index
0
Water Conditions:
🥶Too cold for most swimmers
12 AM
Clear
55°
3 AM
Clear
53°
6 AM
Sunny
51°
9 AM
Overcast
62°
12 PM
Overcast
72°
3 PM
Overcast
75°
6 PM
Overcast
60°
9 PM
Mist
56°

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Frequently asked questions

Where is Cold Brook?
Cold Brook is a river in New Hampshire.
Can you swim at Cold Brook?
Live flow only — judge the water in person: live streamflow is available but no water-temperature sensor is nearby. Checked August 22, 2026.

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Best Times to Visit

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Cool weather - dress warmly
🌊 Rivers & Streams Tips:
  • Check water levels and current conditions before visiting
  • Wear life jackets when on the water
  • Be aware of rapids and potential hazards
  • Respect private property along riverbanks
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

New Hampshire

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