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Rimrock Lake is a reservoir located in Washington. It covers roughly 2,530 surface acres (about 4 square miles). Other waters in the region include Bumping Lake and Cle Elum Lake. Below you will find an hourly and 7-day forecast, wind and gust outlook, and activity scores for boating, paddling, and swimming. This page combines the live forecast, wind, and conditions for Rimrock Lake so you can plan a visit.
Updated
No active alerts for this lake as of the last check (Oct 11, 2:16 PM PDT). Alerts are re-checked automatically; see the official source for updates.
Overall Good (86/100) across 4 activities. Best right now: Sailing (90/100).
How the score is calculated →Best excellent fishing window, averaging 90/100 across these hours. Wind 5 mph from the west. Dawn hours (07:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 47° | 47° | 47° | 49° | 47° | 45° | 44° | 41° | 41° | 40° | 38° | 38° | 37° | 37° | 36° | 35° | 34° | 34° | 34° | 39° | 44° | 48° | 50° | 51° |
| Wind (kts) | 7 | 7 | 6 | 6 | 5 | 4 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 2 | 2 | 2 |
| Direction | E | NE | NE | NE | NE | N | W | W | W | W | W | W | W | W | W | W | W | W | SW | SW | SW | E | E | E |
| Gusts (kts) | 13 | 13 | 13 | 12 | 9 | 7 | 5 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 5 |
| Precip % | 1% | 1% | 1% | 1% | 1% | 1% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 2 PM PDT | 47°F | 8 mph E (90°) | 15 mph | 1% | 21% | Sunny |
| Sun, 3 PM PDT | 47°F | 8 mph NE (45°) | 15 mph | 1% | 25% | Sunny |
| Sun, 4 PM PDT | 47°F | 7 mph NE (45°) | 15 mph | 1% | 22% | Sunny |
| Sun, 5 PM PDT | 49°F | 7 mph NE (45°) | 14 mph | 1% | 12% | Sunny |
| Sun, 6 PM PDT | 47°F | 6 mph NE (45°) | 10 mph | 1% | 20% | Mostly Clear |
| Sun, 7 PM PDT | 45°F | 5 mph N (0°) | 8 mph | 1% | 24% | Mostly Clear |
| Sun, 8 PM PDT | 44°F | 3 mph W (270°) | 6 mph | 0% | 17% | Mostly Clear |
| Sun, 9 PM PDT | 41°F | 2 mph W (270°) | 5 mph | 0% | 19% | Mostly Clear |
| Sun, 10 PM PDT | 41°F | 2 mph W (270°) | 4 mph | 0% | 11% | Mostly Clear |
| Sun, 11 PM PDT | 40°F | 1 mph W (270°) | 4 mph | 0% | 8% | Mostly Clear |
| Mon, 12 AM PDT | 38°F | 1 mph W (270°) | 4 mph | 0% | 4% | Clear |
| Mon, 1 AM PDT | 38°F | 1 mph W (270°) | 2 mph | 0% | 3% | Clear |
| Mon, 2 AM PDT | 37°F | 1 mph W (270°) | 2 mph | 0% | 3% | Patchy Frost |
| Mon, 3 AM PDT | 37°F | 1 mph W (270°) | 2 mph | 0% | 3% | Patchy Frost |
| Mon, 4 AM PDT | 36°F | 1 mph W (270°) | 2 mph | 0% | 5% | Patchy Frost |
| Mon, 5 AM PDT | 35°F | 1 mph W (270°) | 2 mph | 0% | 6% | Widespread Frost |
| Mon, 6 AM PDT | 34°F | 1 mph W (270°) | 2 mph | 0% | 6% | Widespread Frost |
| Mon, 7 AM PDT | 34°F | 1 mph W (270°) | 4 mph | 0% | 9% | Widespread Frost |
| Mon, 8 AM PDT | 34°F | 2 mph SW (225°) | 4 mph | 0% | 5% | Sunny |
| Mon, 9 AM PDT | 39°F | 1 mph SW (225°) | 4 mph | 0% | 1% | Sunny |
| Mon, 10 AM PDT | 44°F | 1 mph SW (225°) | 4 mph | 0% | 1% | Sunny |
| Mon, 11 AM PDT | 48°F | 2 mph E (90°) | 4 mph | 0% | 0% | Sunny |
| Mon, 12 PM PDT | 50°F | 2 mph E (90°) | 5 mph | 0% | 0% | Sunny |
| Mon, 1 PM PDT | 51°F | 2 mph E (90°) | 6 mph | 0% | 1% | Sunny |
| Mon, 2 PM PDT | 52°F | 3 mph E (90°) | 7 mph | 0% | 0% | Sunny |
Official National Weather Service hourly forecast. Showing 10 of 25 hours. Wind arrows point the way the wind is blowing; the compass point and degrees show where it comes from.
| Period | This Afternoon October 11, 2026 | Tonight October 11, 2026 | Columbus Day October 12, 2026 | Monday Night October 12, 2026 | Tuesday October 13, 2026 | Tuesday Night October 13, 2026 | Wednesday October 14, 2026 | Wednesday Night October 14, 2026 | Thursday October 15, 2026 | Thursday Night October 15, 2026 | Friday October 16, 2026 | Friday Night October 16, 2026 | Saturday October 17, 2026 | Saturday Night October 17, 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 49° | 34° | 55° | 35° | 59° | 41° | 62° | 44° | 61° | 44° | 66° | 46° | 60° | 41° |
| Wind | NE 8 mph | W 1 to 6 mph | SE 1 to 5 mph | S 5 mph | W 5 mph | W 6 mph | W 5 mph | NW 0 to 5 mph | E 0 to 9 mph | SE 0 to 7 mph | SE 0 to 6 mph | SW 6 mph | W 6 to 12 mph | W 3 to 10 mph |
| Gusts | 15 mph | 10 mph | 8 mph | 8 mph | 8 mph | 9 mph | 9 mph | 8 mph | 13 mph | 12 mph | 9 mph | 9 mph | 21 mph | 18 mph |
| Precip % | 1% | 1% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 2% | 4% | 4% |
| Forecast |
No active USGS or USACE telemetry gauge is currently mapped to Rimrock Lake. Not available from a verified source for this lake.
Nearby river temperature: 49.5°F at OAK CREEK ABOVE TIETON RIVER NEAR NACHES, WA (22.3 mi away) · Oct 11, 9:00 PM UTC
Good for fishing (82/100), from 5 available inputs. Supporting this: Wind 8 mph from the east. 1% chance of precipitation. Not available from a verified source for this lake: pressure trend, water temperature. Confidence is moderate (74%) because some inputs are unavailable or older than ideal.
Good for boating (89/100), from 4 available inputs. Supporting this: Wind 8 mph from the east. No active official alerts for this lake. Not available from a verified source for this lake: visibility and conditions, verified water access. Confidence is moderate (84%) because some inputs are unavailable or older than ideal.
Excellent for sailing (90/100), from 4 available inputs. Supporting this: Wind 8 mph from the E is in the preferred sailing range. No active official alerts for this lake. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Good for kayaking (87/100), from 5 available inputs. Supporting this: Wind 8 mph from the east. No active official alerts for this lake. Confidence is high (90%).
Water temperature is not available from a verified source for this lake. No swimming score is shown without it.
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Individual boat ramp GPS coordinates are maintained under the jurisdiction of WA Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Surrounded by the natural landscapes of WA, Rimrock Lake is an appealing freshwater reservoir welcoming outdoor recreation across all seasons. The lake provides critical habitat for native fish species and serves as a focal point for regional boating. Visitors should review current access fees, ramp operational status, and state licensing rules.
Valid freshwater sport fishing license issued by Washington Department of Fish and Wildlife (WDFW) is required for anglers age 15+. Digital license on mobile is accepted.
Mandatory Clean, Drain & Dry inspection. Out-of-area craft require on-site Aquatic Invasive Species (AIS Quagga/Zebra) inspection or decontamination before launch. USCG life jackets required for all.
Public shoreline and boating access managed by State & Local Authorities. Verify seasonal gate hours, launch fees, and parking rules before travel.
High-speed motorboating, pontoon cruising, wakeboarding, and water skiing across main channels. Target gamefish include Pumpkinseed Sunfish, Mountain Whitefish, Brook Trout, Rainbow Trout. Morning hours typically provide optimal glassy conditions for kayak and stand-up paddleboard (SUP) touring.
Warm water temperatures, peak swimming, active watersports, and open full-service campgrounds. Highest weekly attendance; plan early arrivals on summer weekends.
Spring pre-spawn and fall feeding transitions create prime trophy angling conditions. Cooler air, lower boat traffic, and vibrant seasonal shoreline foliage.
Mild year-round outdoor climate. Uncrowded waters, active winter bass and crappie fishing, and open year-round boat launch access.
No external source rows are cited by the data currently shown on this page.
Updated
Scores are heuristics, not safety guarantees. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
All telemetry for Rimrock Lake is synchronized directly from authorized federal and state monitoring networks (USGS, NWS, NOAA, and state environmental authorities). Observations are strictly instrumented readings — unmonitored sensors are transparently disclosed rather than synthetic estimates.
Last source audit: Oct 11, 2:16 PM PDT