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Photo: Ashuelot River, West Swanzey, NH by Unknown authorUnknown author (Public domain) License

Ashuelot River

River

4.8(4 reviews)

Cool water — ease in carefully

Use caution

Cool water — ease in carefully: water temperature is 66°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 66°F, cool enough to cause cold-water shock on a sudden entry.
  • Flow is within the normal range (25th–75th percentile) for Aug 23 (median 18 ft³/s over 16 years).

Cool water — ease in carefully

Use caution

Cool water — ease in carefully: water temperature is 66°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 66°F, cool enough to cause cold-water shock on a sudden entry. USGS gauge 01154950, as of Aug 23, 9:45 AM gauge-local time
  • Flow is within the normal range (25th–75th percentile) for Aug 23 (median 18 ft³/s over 16 years). USGS daily streamflow statistics, as of Aug 23, 9:45 AM gauge-local time
Water temp
66°F
19°C
Streamflow
8 ft³/s
discharge
Gage height
1.48 ft
water level

Flow is normal for this date — within the normal range (25th–75th percentile) for Aug 23 (median 18 ft³/s over 16 years).

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

Live, provisional data from USGS gauge COLD RIVER AT HIGH STREET, AT ALSTEAD, NH (12.5 mi away), as of Aug 23, 9:45 AM gauge-local time.

Weather at Ashuelot River

H: 68° L: 60°
Patchy rain nearby
Patchy rain nearby
61°
|
Feels like 63°
Precipitation
92%
Humidity
100%
Wind
3 mph
UV Index
0.5
Water Conditions:
🥶Too cold for most swimmers🌧️Rain expected
12 AM
Overcast
60°
3 AM
Mist
61°
6 AM
Fog
60°
9 AM
Fog
61°
12 PM
Light drizzle
63°
3 PM
Light rain
67°
6 PM
Light rain shower
60°
9 PM
Fog
65°

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Frequently asked questions

Where is Ashuelot River?
Ashuelot River is a river in New Hampshire.
What is the water temperature at Ashuelot River?
As of August 23, 2026, the water temperature at Ashuelot River in New Hampshire is 66°F (19°C), measured by USGS gauge 01154950, 12.5 miles away.
Can you swim at Ashuelot River?
Cool water — ease in carefully: water temperature is 66°F, cool enough to cause cold-water shock on a sudden entry. Checked August 23, 2026.
How is Ashuelot River rated?
Ashuelot River in New Hampshire has an average visitor rating of 4.8 out of 5, based on 4 reviews.

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Location & Contact

New Hampshire

New Hampshire None

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