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Official National Weather Service (NWS) point forecast and real-time wind conditions for Castle Rock Lake (Wisconsin). 24-hour hour-by-hour wind timelines, peak gusts, watercraft recreation safety thresholds, and 7-day marine outlook.
Today: High 76°F · Low 63°F
Peak gusts: 17 mph · Lake surface chop expected
Humidity: 42% · Barometer: 29.98 inHg
USGS water monitoring available for Castle Rock Lake.
Good for boating (86/100), from 4 available inputs. Supporting this: Wind 8 mph from the south. 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 fishing (95/100), from 5 available inputs. Supporting this: Wind 8 mph from the south. Dusk hours (18:00 local). 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 (86/100), from 5 available inputs. Supporting this: Wind 8 mph from the south. 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. Air temperature 76°F. Not available from a verified source for this lake: water temperature.
| Time | Air Temp | Wind (mph) | Direction | Peak Gusts | Rain Chance | Sky & Conditions |
|---|---|---|---|---|---|---|
| 6 PM | 76°F | 8 mph | S | ⚡ 18 mph | 0% | Mostly Clear |
| 7 PM | 71°F | 8 mph | S | ⚡ 20 mph | 0% | Mostly Clear |
| 8 PM | 67°F | 9 mph | S | ⚡ 20 mph | 0% | Mostly Clear |
| 9 PM | 65°F | 9 mph | S | ⚡ 18 mph | 0% | Mostly Clear |
| 10 PM | 63°F | 10 mph | S | ⚡ 18 mph | 0% | Partly Cloudy |
| 11 PM | 65°F | 9 mph | S | ⚡ 18 mph | 0% | Partly Cloudy |
| 12 AM | 65°F | 9 mph | S | ⚡ 16 mph | 1% | Mostly Cloudy |
| 1 AM | 65°F | 9 mph | S | ⚡ 16 mph | 1% | Mostly Cloudy |
| 2 AM | 65°F | 9 mph | S | ⚡ 15 mph | 1% | Mostly Cloudy |
| 3 AM | 65°F | 9 mph | S | ⚡ 15 mph | 1% | Mostly Cloudy |
| 4 AM | 65°F | 8 mph | S | ⚡ 15 mph | 2% | Mostly Cloudy |
| 5 AM | 65°F | 8 mph | S | ⚡ 15 mph | 2% | Mostly Cloudy |
| 6 AM | 65°F | 8 mph | S | ⚡ 15 mph | 2% | Partly Sunny |
| 7 AM | 63°F | 8 mph | S | ⚡ 15 mph | 6% | Mostly Cloudy |
| 8 AM | 63°F | 8 mph | S | ⚡ 15 mph | 7% | Partly Sunny |
| 9 AM | 66°F | 7 mph | SW | ⚡ 14 mph | 6% | Mostly Sunny |
| 10 AM | 70°F | 8 mph | SW | ⚡ 15 mph | 7% | Mostly Sunny |
| 11 AM | 73°F | 8 mph | SW | ⚡ 15 mph | 9% | Sunny |
| 12 PM | 76°F | 8 mph | SW | ⚡ 15 mph | 9% | Sunny |
| 1 PM | 78°F | 8 mph | SW | ⚡ 16 mph | 9% | Sunny |
| 2 PM | 80°F | 8 mph | SW | ⚡ 16 mph | 7% | Sunny |
| 3 PM | 81°F | 8 mph | SW | ⚡ 16 mph | 12% | Sunny |
| 4 PM | 83°F | 8 mph | SW | ⚡ 16 mph | 11% | Sunny |
| 5 PM | 81°F | 7 mph | SW | ⚡ 15 mph | 12% | 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.
Partly cloudy. Low around 63, with temperatures rising to around 65 overnight. South wind around 10 mph, with gusts as high as 20 mph.
Mostly sunny. High near 83, with temperatures falling to around 81 in the afternoon. South wind around 8 mph.
Partly cloudy. Low around 61, with temperatures rising to around 65 overnight. Southwest wind 6 to 14 mph.
Sunny, with a high near 71. Northwest wind 6 to 14 mph.
Partly cloudy, with a low around 50. Northwest wind around 5 mph.
Mostly sunny, with a high near 66. North wind around 6 mph.
Partly cloudy, with a low around 45. Northeast wind 3 to 7 mph.
A chance of rain showers after 7am. Partly sunny, with a high near 62. East wind 5 to 8 mph. Chance of precipitation is 50%.
A chance of rain showers. Mostly cloudy, with a low around 43. West wind 3 to 22 mph. Chance of precipitation is 50%.
A slight chance of rain showers before 7am. Partly sunny, with a high near 55. Northwest wind around 24 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Partly cloudy, with a low around 31. Northwest wind 7 to 20 mph, with gusts as high as 31 mph.
Sunny, with a high near 54. Northwest wind around 7 mph.
Mostly clear, with a low around 34. Southwest wind 5 to 13 mph.
Sunny, with a high near 61. Southwest wind 13 to 17 mph, with gusts as high as 26 mph.
Castle Rock Lake currently reports 82°F with wind velocity near 10 mph from the S. 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 Castle Rock 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 ARX) high-resolution numerical point-forecast API. LakeRadar uses the official gridpoint for Castle Rock 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 Castle Rock Lake Water Level & Temperature page.
View Castle Rock Lake Water Level & Temperature →