Updated
Wheal Jewell Reservoir
Reservoir
Cool water — ease in carefully
Use cautionCool water — ease in carefully: water temperature is 63°F, cool enough to cause cold-water shock on a sudden entry.
- Water temperature is 63°F, cool enough to cause cold-water shock on a sudden entry.
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Cool water — ease in carefully
Use cautionCool water — ease in carefully: water temperature is 63°F, cool enough to cause cold-water shock on a sudden entry.
- Water temperature is 63°F, cool enough to cause cold-water shock on a sudden entry. — NOAA buoy 62050, as of Aug 22, 10:00 AM UTC
No official beach-advisory feed for Devon yet — follow posted signs and local guidance.
Live data from NOAA buoy 62050 (44.6 mi away), as of Aug 22, 10:00 AM UTC.
Weather at Wheal Jewell Reservoir









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Frequently asked questions
- Where is Wheal Jewell Reservoir?
- Wheal Jewell Reservoir is a reservoir in Devon.
- What is the water temperature at Wheal Jewell Reservoir?
- As of August 22, 2026, the water temperature at Wheal Jewell Reservoir in Devon is 63°F (17°C), measured by NOAA buoy 62050, 44.6 miles away.
- Can you swim at Wheal Jewell Reservoir?
- Cool water — ease in carefully: water temperature is 63°F, cool enough to cause cold-water shock on a sudden entry. Checked August 22, 2026.
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- ›Check for boat launch facilities and fees
- ›Obtain required fishing licenses before arrival
- ›Be aware of lake-specific regulations and restrictions