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Diamond Lake is a lake in Oregon. It covers roughly 3,015 surface acres (about 5 square miles). For this location, LakeRadar tracks an hourly and 7-day forecast, wind and gust outlook, and activity scores for boating, paddling, and swimming. Nearby alternatives include Diamond Lake, Crater Lake, and Odell Lake. Forecasts for Diamond Lake come from the National Weather Service and refresh several times a day.
Updated
No active alerts for this lake as of the last check (Oct 10, 5:05 PM PDT). Alerts are re-checked automatically; see the official source for updates.
Overall Good (85/100) across 4 activities. Best right now: Sailing (96/100).
How the score is calculated →Best good fishing window, averaging 86/100 across these hours. Wind 9 mph from the north-northwest. Dusk hours (19:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p | 8p | 9p | 10p | 11p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 41° | 41° | 39° | 34° | 33° | 31° | 31° | 30° | 30° | 30° | 30° | 29° | 30° | 29° | 28° | 29° | 29° | 33° | 36° | 39° | 40° | 40° | 40° | 40° |
| Wind (kts) | 10 | 9 | 8 | 7 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 9 | 10 | 10 | 11 | 14 | 16 | 16 | 16 | 14 | 13 | 14 | 13 |
| Direction | N | N | N | N | N | NE | NE | E | E | E | E | NE | E | NE | NE | NE | NE | NE | E | NE | NE | NE | NE | NE |
| Gusts (kts) | 15 | 14 | 12 | 11 | 9 | 9 | 9 | 9 | 11 | 11 | 11 | 12 | 14 | 15 | 15 | 17 | 21 | 24 | 24 | 24 | 21 | 20 | 21 | 20 |
| Precip % | 0% | 0% | 0% | 0% | 0% | 0% | 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 |
|---|---|---|---|---|---|---|
| Sat, 5 PM PDT | 41°F | 12 mph NNW (338°) | 17 mph | 0% | 21% | Sunny |
| Sat, 6 PM PDT | 41°F | 10 mph NNW (338°) | 16 mph | 0% | 22% | Mostly Clear |
| Sat, 7 PM PDT | 39°F | 9 mph NNW (338°) | 14 mph | 0% | 15% | Mostly Clear |
| Sat, 8 PM PDT | 34°F | 8 mph N (0°) | 13 mph | 0% | 21% | Mostly Clear |
| Sat, 9 PM PDT | 33°F | 7 mph N (0°) | 10 mph | 0% | 13% | Mostly Clear |
| Sat, 10 PM PDT | 31°F | 7 mph NNE (23°) | 10 mph | 0% | 12% | Mostly Clear |
| Sat, 11 PM PDT | 31°F | 7 mph NE (45°) | 10 mph | 0% | 6% | Mostly Clear |
| Sun, 12 AM PDT | 30°F | 7 mph ENE (68°) | 10 mph | 0% | 7% | Mostly Clear |
| Sun, 1 AM PDT | 30°F | 8 mph ENE (68°) | 13 mph | 0% | 8% | Mostly Clear |
| Sun, 2 AM PDT | 30°F | 8 mph E (90°) | 13 mph | 0% | 11% | Mostly Clear |
| Sun, 3 AM PDT | 30°F | 8 mph ENE (68°) | 13 mph | 0% | 8% | Mostly Clear |
| Sun, 4 AM PDT | 29°F | 9 mph NE (45°) | 14 mph | 0% | 12% | Mostly Clear |
| Sun, 5 AM PDT | 30°F | 10 mph ENE (68°) | 16 mph | 0% | 9% | Mostly Clear |
| Sun, 6 AM PDT | 29°F | 12 mph NE (45°) | 17 mph | 0% | 13% | Sunny |
| Sun, 7 AM PDT | 28°F | 12 mph NE (45°) | 17 mph | 0% | 12% | Sunny |
| Sun, 8 AM PDT | 29°F | 13 mph NE (45°) | 20 mph | 0% | 13% | Sunny |
| Sun, 9 AM PDT | 29°F | 16 mph NE (45°) | 24 mph | 0% | 6% | Sunny |
| Sun, 10 AM PDT | 33°F | 18 mph NE (45°) | 28 mph | 0% | 5% | Sunny |
| Sun, 11 AM PDT | 36°F | 18 mph ENE (68°) | 28 mph | 0% | 1% | Sunny |
| Sun, 12 PM PDT | 39°F | 18 mph NE (45°) | 28 mph | 0% | 2% | Sunny |
| Sun, 1 PM PDT | 40°F | 16 mph NE (45°) | 24 mph | 0% | 6% | Sunny |
| Sun, 2 PM PDT | 40°F | 15 mph NE (45°) | 23 mph | 0% | 6% | Sunny |
| Sun, 3 PM PDT | 40°F | 16 mph NNE (23°) | 24 mph | 0% | 10% | Sunny |
| Sun, 4 PM PDT | 40°F | 15 mph NNE (23°) | 23 mph | 0% | 10% | Sunny |
| Sun, 5 PM PDT | 40°F | 14 mph NNE (23°) | 21 mph | 0% | 11% | 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 10, 2026 | Tonight October 10, 2026 | Sunday October 11, 2026 | Sunday Night 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 42° | 26° | 40° | 25° | 46° | 31° | 52° | 35° | 58° | 37° | 64° | 40° | 67° | 41° |
| Wind | NNW 12 mph | NE 7 to 10 mph | NE 12 to 18 mph | NE 6 to 14 mph | NE 6 to 9 mph | ENE 6 to 9 mph | ENE 2 to 7 mph | NNW 0 to 3 mph | NNW 2 mph | ENE 0 to 7 mph | ESE 0 to 10 mph | E 0 to 16 mph | SE 0 to 14 mph | S 0 to 5 mph |
| Gusts | 17 mph | 16 mph | 28 mph | 21 mph | 14 mph | 14 mph | 10 mph | 9 mph | 9 mph | 18 mph | 29 mph | 43 mph | 40 mph | 16 mph |
| Precip % | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 1% | 2% | 0% | 0% | 0% | 0% | 1% |
| Forecast |
Good for fishing (83/100), from 5 available inputs. Supporting this: Wind 12 mph from the north-northwest. 0% chance of precipitation. Working against it: Air temperature 41°F. 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 (84/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Wind 12 mph from the north-northwest. 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 (96/100), from 4 available inputs. Supporting this: Wind 12 mph from the NNW 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 (81/100), from 5 available inputs. Supporting this: No active official alerts for this lake. Wind 12 mph from the north-northwest. Working against it: Air temperature 41°F. 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 OR Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
With its sweeping shoreline and open waters, Diamond Lake in OR is a favorite getaway for anglers, watersports fans, and campers. The lake provides access via several public ramps, offering easy entry for trailered boats and kayaks. Follow state boating education standards and carry required safety equipment onboard.
Valid freshwater sport fishing license issued by Oregon Department of Fish and Wildlife (ODFW) is required for anglers age 12+. 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 Brown Trout, Rainbow Trout, Brook 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.
NWS API Web Service · License: U.S. Government work · Attribution: Data provided by the National Weather Service (api.weather.gov)
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 Diamond 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 10, 5:05 PM PDT