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Official National Weather Service (NWS) point forecast and real-time wind conditions for Trinity Lake (California). 24-hour hour-by-hour wind timelines, peak gusts, watercraft recreation safety thresholds, and 7-day marine outlook.
Today: High 64°F · Low 45°F
Peak gusts: 6 mph · Lake surface chop expected
Humidity: 50% · Barometer: 29.60 inHg
Live hydrological sensor reading for Trinity Lake.
Good for boating (85/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Wind 12 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 (78/100), from 6 available inputs. Supporting this: Wind 12 mph from the north-northeast. Morning hours (09:00 local). Not available from a verified source for this lake: pressure trend. Confidence is moderate (72%) because some inputs are unavailable or older than ideal.
Fair for kayaking (58/100), from 5 available inputs. Supporting this: No active official alerts for this lake. Wind 12 mph from the north-northeast. Water temperature is 51°F (combined air+water: 96°F). Cold shock hazard: sudden immersion below 55°F poses serious risk. Confidence is high (90%).
Very Poor / Avoid for swimming (19/100), from 5 available inputs. Supporting this: No active official alerts for this lake. 0% chance of precipitation. Working against it: Measured water temperature 51°F from a representative gauge 5.4 mi away. Provisional data. Immersion shock hazard: water below 55°F poses severe cold shock and rapid hypothermia risk. Air temperature 45°F. Water temperature is 51°F (below 55°F). Severe cold shock and hypothermia hazard upon immersion. Confidence is moderate (75%) because some inputs are unavailable or older than ideal.
| Time | Air Temp | Wind (mph) | Direction | Peak Gusts | Rain Chance | Sky & Conditions |
|---|---|---|---|---|---|---|
| 9 AM | 45°F | 12 mph | NE | ⚡ 16 mph | 0% | Sunny |
| 10 AM | 50°F | 12 mph | NE | ⚡ 16 mph | 0% | Sunny |
| 11 AM | 53°F | 16 mph | N | ⚡ 23 mph | 0% | Sunny |
| 12 PM | 57°F | 16 mph | N | ⚡ 23 mph | 0% | Sunny |
| 1 PM | 60°F | 16 mph | N | ⚡ 23 mph | 0% | Sunny |
| 2 PM | 62°F | 18 mph | N | ⚡ 25 mph | 0% | Sunny |
| 3 PM | 64°F | 18 mph | N | ⚡ 25 mph | 0% | Sunny |
| 4 PM | 64°F | 18 mph | N | ⚡ 25 mph | 0% | Sunny |
| 5 PM | 63°F | 18 mph | N | ⚡ 25 mph | 0% | Sunny |
| 6 PM | 61°F | 18 mph | N | ⚡ 25 mph | 0% | Clear |
| 7 PM | 59°F | 18 mph | N | ⚡ 25 mph | 0% | Clear |
| 8 PM | 58°F | 13 mph | NE | ⚡ 18 mph | 0% | Clear |
| 9 PM | 55°F | 13 mph | NE | ⚡ 18 mph | 0% | Clear |
| 10 PM | 53°F | 13 mph | NE | ⚡ 18 mph | 0% | Clear |
| 11 PM | 51°F | 9 mph | NE | ⚡ 13 mph | 0% | Clear |
| 12 AM | 49°F | 9 mph | NE | ⚡ 13 mph | 0% | Clear |
| 1 AM | 48°F | 9 mph | NE | ⚡ 13 mph | 0% | Clear |
| 2 AM | 46°F | 6 mph | NE | ⚡ 9 mph | 0% | Clear |
| 3 AM | 45°F | 6 mph | NE | ⚡ 9 mph | 0% | Clear |
| 4 AM | 42°F | 6 mph | NE | ⚡ 9 mph | 0% | Clear |
| 5 AM | 41°F | 5 mph | NE | ⚡ 7 mph | 0% | Clear |
| 6 AM | 41°F | 5 mph | NE | ⚡ 7 mph | 0% | Sunny |
| 7 AM | 39°F | 5 mph | NE | ⚡ 7 mph | 0% | Sunny |
| 8 AM | 40°F | 3 mph | E | ⚡ 5 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.
Sunny, with a high near 64. North northeast wind 12 to 18 mph, with gusts as high as 25 mph.
Clear, with a low around 39. North northeast wind 5 to 18 mph, with gusts as high as 25 mph.
Sunny, with a high near 64. East wind 2 to 6 mph.
Clear, with a low around 38. North northeast wind around 3 mph.
Sunny, with a high near 70. Southwest wind around 2 mph.
Clear, with a low around 46. West wind around 2 mph.
Sunny, with a high near 76.
Clear, with a low around 50.
Sunny, with a high near 81.
Clear, with a low around 53.
Sunny, with a high near 84.
Clear, with a low around 51.
Sunny, with a high near 78.
Mostly clear, with a low around 49.
Trinity Lake currently reports 41°F with wind velocity near 3 mph from the W. 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 Trinity 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 EKA) high-resolution numerical point-forecast API. LakeRadar uses the official gridpoint for Trinity 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 Trinity Lake Water Level & Temperature page.
View Trinity Lake Water Level & Temperature →