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Satellite view of Jupiter Lakes

Jupiter Lakes

Lake

Great conditions today

a group of lakes in Jefferson County, Washington, United States

Interactive map not available

Current water conditions

Water temp
55°F
13°C
Cold water — serious cold-shock risk today. At this temperature, sudden immersion can trigger involuntary gasping and sap a strong swimmer's strength within minutes. Enter slowly, never alone, and consider a wetsuit — or sit this one out.

Live data from NOAA buoy PTWW1 (30.5 mi away), as of Aug 20, 10:30 PM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.

Weather at Jupiter Lakes

H: 83° L: 62°
Sunny
Sunny
83°
|
Feels like 83°
Precipitation
2%
Humidity
44%
Wind
7 mph
UV Index
3.9
Water Conditions:
🏊Perfect for swimming
12 AM
Clear
66°
3 AM
Clear
63°
6 AM
Clear
63°
9 AM
Sunny
68°
12 PM
Sunny
77°
3 PM
Sunny
82°
6 PM
Sunny
81°
9 PM
Clear
73°

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Frequently asked questions

Where is Jupiter Lakes?
Jupiter Lakes is a lake in Washington.
What is the water temperature at Jupiter Lakes?
As of August 20, 2026, the water temperature at Jupiter Lakes in Washington is 55°F (13°C), measured by NOAA buoy PTWW1, 30.5 miles away.
Can you swim at Jupiter Lakes?
There is no fixed answer for Jupiter Lakes: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Jupiter Lakes in Washington. Check current water conditions before you go, and follow posted signs and local guidance.

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Best Times to Visit

Right Now
Perfect conditions right now!
🏞️ 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

Washington

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