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Photo: Rimrock Lake, Yakima County, Washington (2009-05-26) by iurikothe from Brasilia, Brazil (CC BY 2.0) License

Use caution — no live reading, and an advisory is in effect

Use caution

Use caution — no live reading, and an advisory is in effect: a Heat Advisory is in effect for Wallowa County; Northern Blue Mountains of Oregon; Southern Blue Mountains of Oregon and other areas.

  • A Heat Advisory is in effect for Wallowa County; Northern Blue Mountains of Oregon; Southern Blue Mountains of Oregon and other areas.
  • No live water-temperature reading for this spot.
Use cautionGreat conditions todaycamping-nearby

Use caution — no live reading, and an advisory is in effect

Use caution

Use caution — no live reading, and an advisory is in effect: a Heat Advisory is in effect for Wallowa County; Northern Blue Mountains of Oregon; Southern Blue Mountains of Oregon and other areas.

  • A Heat Advisory is in effect for Wallowa County; Northern Blue Mountains of Oregon; Southern Blue Mountains of Oregon and other areas. NWS Pendleton OR
  • No live water-temperature reading for this spot.

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

Weather at Rimrock Lake

H: 88° L: 59°
Overcast
Overcast
88°
|
Feels like 83°
Precipitation
12%
Humidity
16%
Wind
3 mph
UV Index
7
Water Conditions:
🏊Perfect for swimming🧴High UV - use sunscreen
12 AM
Overcast
59°
3 AM
Overcast
60°
6 AM
Overcast
61°
9 AM
Overcast
78°
12 PM
Overcast
80°
3 PM
Overcast
88°
6 PM
Overcast
74°
9 PM
Overcast
67°

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Frequently asked questions

Where is Rimrock Lake?
Rimrock Lake is a lake in Washington.
Can you swim at Rimrock Lake?
Use caution — no live reading, and an advisory is in effect: a Heat Advisory is in effect for Wallowa County; Northern Blue Mountains of Oregon; Southern Blue Mountains of Oregon and other areas. Checked August 21, 2026.
How is Rimrock Lake rated?
Rimrock Lake in Washington has an average visitor rating of 4.7 out of 5, based on 174 reviews.
What amenities does Rimrock Lake have?
Visitor-listed amenities at Rimrock Lake include camping-nearby.

Visitor Reviews

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Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

☀️
Right Now
Very warm - visit early morning or evening
🏞️ 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 98937

Washington 98937

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Amenities

Camping nearby