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Official National Weather Service (NWS) point forecast and real-time wind conditions for Diablo Lake (Washington). 24-hour hour-by-hour wind timelines, peak gusts, watercraft recreation safety thresholds, and 7-day marine outlook.
Today: High 55°F · Low 37°F
Peak gusts: 11 mph · Lake surface chop expected
Humidity: 34% · Barometer: 29.82 inHg
USGS water monitoring available for Diablo Lake.
Good for boating (85/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Wind 10 mph from the north-northeast. 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.
Good for fishing (84/100), from 5 available inputs. Supporting this: Wind 10 mph from the north-northeast. 0% 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 kayaking (84/100), from 5 available inputs. Supporting this: Wind 10 mph from the north-northeast. 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. Supporting this: No active official alerts for this lake. 0% chance of precipitation. Working against it: Air temperature 54°F. Not available from a verified source for this lake: water temperature.
| Time | Air Temp | Wind (mph) | Direction | Peak Gusts | Rain Chance | Sky & Conditions |
|---|---|---|---|---|---|---|
| 4 PM | 54°F | 10 mph | NE | ⚡ 17 mph | 0% | Sunny |
| 5 PM | 55°F | 9 mph | NE | ⚡ 17 mph | 0% | Sunny |
| 6 PM | 53°F | 8 mph | NE | ⚡ 16 mph | 0% | Clear |
| 7 PM | 51°F | 8 mph | E | ⚡ 15 mph | 0% | Mostly Clear |
| 8 PM | 48°F | 8 mph | E | ⚡ 15 mph | 0% | Mostly Clear |
| 9 PM | 45°F | 8 mph | E | ⚡ 15 mph | 0% | Clear |
| 10 PM | 44°F | 9 mph | E | ⚡ 16 mph | 0% | Clear |
| 11 PM | 43°F | 9 mph | E | ⚡ 17 mph | 0% | Clear |
| 12 AM | 41°F | 8 mph | E | ⚡ 16 mph | 0% | Clear |
| 1 AM | 41°F | 8 mph | NE | ⚡ 14 mph | 0% | Clear |
| 2 AM | 40°F | 7 mph | NE | ⚡ 13 mph | 0% | Clear |
| 3 AM | 40°F | 7 mph | N | ⚡ 12 mph | 0% | Clear |
| 4 AM | 39°F | 6 mph | NE | ⚡ 9 mph | 0% | Clear |
| 5 AM | 38°F | 6 mph | NE | ⚡ 8 mph | 0% | Clear |
| 6 AM | 38°F | 5 mph | NE | ⚡ 7 mph | 0% | Sunny |
| 7 AM | 38°F | 3 mph | NE | ⚡ 6 mph | 0% | Sunny |
| 8 AM | 37°F | 3 mph | NE | ⚡ 6 mph | 0% | Sunny |
| 9 AM | 42°F | 2 mph | NE | ⚡ 5 mph | 0% | Sunny |
| 10 AM | 49°F | 1 mph | E | ⚡ 4 mph | 0% | Sunny |
| 11 AM | 52°F | 1 mph | SW | ⚡ 4 mph | 0% | Sunny |
| 12 PM | 55°F | 2 mph | SW | ⚡ 5 mph | 0% | Sunny |
| 1 PM | 57°F | 3 mph | W | ⚡ 6 mph | 0% | Sunny |
| 2 PM | 58°F | 6 mph | W | ⚡ 8 mph | 0% | Sunny |
| 3 PM | 57°F | 6 mph | W | ⚡ 10 mph | 0% | Sunny |
Mirror-like to gentle rippled water. Optimal conditions for paddleboarding, kayaking, swimming, and beginner water skiing or wakeboarding.
Pleasant breeze with small wavelets. Great for sailing, pleasure cruising, pontoon boats, and trolling for trout and bass.
Moderate waves with whitecaps likely. Requires skilled boat handling; kayaks, canoes, and stand-up paddleboards should stay close to sheltered bays.
Steep waves, cold spray, and hazardous open water. Avoid small craft voyages. Always check official National Weather Service lake wind advisories.
Clear Sky. High near 61°F. Wind around 9 mph with gusts up to 17 mph.
Sunny. High near 56, with temperatures falling to around 54 in the afternoon. Northeast wind around 10 mph.
Clear Sky. Low around 44°F.
Sunny, with a high near 56. Northeast wind around 10 mph.
Clear. Low around 36, with temperatures rising to around 38 overnight. Northeast wind 6 to 9 mph.
Mainly Clear. High near 64°F. Wind around 9 mph with gusts up to 15 mph.
Sunny, with a high near 59. Northwest wind 1 to 7 mph.
Mainly Clear. Low around 44°F.
Mostly clear, with a low around 39. South southwest wind 1 to 6 mph.
Overcast. High near 58°F. Wind around 6 mph with gusts up to 7 mph.
Mostly sunny, with a high near 59. South wind 1 to 7 mph.
Overcast. Low around 41°F.
A slight chance of rain after 5am. Mostly cloudy, with a low around 46. Chance of precipitation is 20%.
Drizzle. High near 57°F. Wind around 3 mph with gusts up to 5 mph.
Diablo Lake currently reports 59°F with wind velocity near 6 mph from the NE. Atmospheric forecasts and 24-hour hour-by-hour wind timelines are updated hourly from the National Weather Service gridpoint matching the lake's coordinates.
At Diablo Lake and surrounding mountain valleys, diurnal heating of the surrounding terrain causes strong thermal pressure differentials known locally as afternoon breezes (such as the Washoe Zephyr at Lake Tahoe). Wind speeds typically peak between 1:00 PM and 5:00 PM before calming near sunset.
For stand-up paddleboarding (SUP), canoeing, and light kayaks, winds under 7 mph (light breeze) offer the safest, glassiest surface conditions. Between 8–14 mph, small wavelets develop, suitable for sailboats and powerboats. Winds exceeding 15 mph create steep whitecaps and rapid drift; winds over 21 mph warrant small craft warnings.
All weather and wind telemetry is fetched directly from the National Weather Service (NOAA - WFO SEW) high-resolution numerical point-forecast API. LakeRadar uses the official gridpoint for Diablo Lake without artificial smoothing or third-party estimates.
Yes. Live hydrological sensor readings, 30-day elevation histories, full-pool benchmarks, and USGS station provenance are available on our dedicated Diablo Lake Water Level & Temperature page.
View Diablo Lake Water Level & Temperature →