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Satellite view of Stillwater River Reservoir

Stillwater River Reservoir

Reservoir

Cool water — ease in carefully

Use caution

Cool water — ease in carefully: water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 61°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 6,520 ft³/s over 18 years).
Use cautionGood conditions today

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Cool water — ease in carefully

Use caution

Cool water — ease in carefully: water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry.

  • Water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry. USGS gauge 01036390, as of Aug 22, 8:30 PM gauge-local time
  • Flow is within the normal range (25th–75th percentile) for Aug 23 (median 6,520 ft³/s over 18 years). USGS daily streamflow statistics, as of Aug 22, 8:30 PM gauge-local time
Water temp
61°F
16°C
Streamflow
8,230 ft³/s
discharge
Gage height
2.17 ft
water level

Flow is normal for this date — within the normal range (25th–75th percentile) for Aug 23 (median 6,520 ft³/s over 18 years).

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

Live, provisional data from USGS gauge Penobscot River at Eddington, Maine (5.9 mi away), as of Aug 22, 8:30 PM gauge-local time.

Weather at Stillwater River Reservoir

H: 83° L: 54°
Light drizzle
Light drizzle
70°
|
Feels like 73°
Precipitation
62%
Humidity
82%
Wind
4 mph
UV Index
0
Water Conditions:
🏊Cool but swimmable🌧️Rain expected
12 AM
Clear
60°
3 AM
Clear
56°
6 AM
Sunny
57°
9 AM
Overcast
69°
12 PM
Overcast
80°
3 PM
Overcast
83°
6 PM
Patchy rain nearby
77°
9 PM
Light drizzle
69°

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Frequently asked questions

Where is Stillwater River Reservoir?
Stillwater River Reservoir is a reservoir in Maine.
What is the water temperature at Stillwater River Reservoir?
As of August 22, 2026, the water temperature at Stillwater River Reservoir in Maine is 61°F (16°C), measured by USGS gauge 01036390, 5.9 miles away.
Can you swim at Stillwater River Reservoir?
Cool water — ease in carefully: water temperature is 61°F, cool enough to cause cold-water shock on a sudden entry. Checked August 22, 2026.

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🏞️ Lakes Tips:
  • Check for boat launch facilities and fees
  • Obtain required fishing licenses before arrival
  • Be aware of lake-specific regulations and restrictions
  • Monitor water quality reports before swimming
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Maine

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