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Official National Weather Service (NWS) point forecast and real-time wind conditions for Lake Keowee (South Carolina). 24-hour hour-by-hour wind timelines, peak gusts, watercraft recreation safety thresholds, and 7-day marine outlook.
Today: High 75°F · Low 62°F
Peak gusts: 21 mph · Lake surface chop expected
Humidity: 57% · Barometer: 29.95 inHg
USGS water monitoring available for Lake Keowee.
Excellent for boating (90/100), from 4 available inputs. Supporting this: Wind 6 mph from the northeast. 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 (93/100), from 5 available inputs. Supporting this: Wind 6 mph from the northeast. Morning hours (09:00 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.
Excellent for kayaking (90/100), from 5 available inputs. Supporting this: Wind 6 mph from the 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. 1% chance of precipitation. Not available from a verified source for this lake: water temperature.
| Time | Air Temp | Wind (mph) | Direction | Peak Gusts | Rain Chance | Sky & Conditions |
|---|---|---|---|---|---|---|
| 9 AM | 63°F | 6 mph | NE | ⚡ 16 mph | 1% | Mostly Cloudy |
| 10 AM | 67°F | 7 mph | E | ⚡ 17 mph | 1% | Mostly Cloudy |
| 11 AM | 70°F | 7 mph | E | ⚡ 18 mph | 1% | Cloudy |
| 12 PM | 72°F | 9 mph | E | ⚡ 18 mph | 1% | Cloudy |
| 1 PM | 73°F | 9 mph | E | ⚡ 18 mph | 0% | Mostly Cloudy |
| 2 PM | 74°F | 9 mph | E | ⚡ 18 mph | 0% | Cloudy |
| 3 PM | 75°F | 9 mph | E | ⚡ 18 mph | 1% | Cloudy |
| 4 PM | 75°F | 8 mph | E | ⚡ 17 mph | 1% | Cloudy |
| 5 PM | 74°F | 6 mph | E | ⚡ 16 mph | 1% | Mostly Cloudy |
| 6 PM | 73°F | 7 mph | E | ⚡ 17 mph | 1% | Cloudy |
| 7 PM | 70°F | 6 mph | NE | ⚡ 18 mph | 1% | Mostly Cloudy |
| 8 PM | 69°F | 7 mph | NE | ⚡ 18 mph | 2% | Cloudy |
| 9 PM | 68°F | 8 mph | NE | ⚡ 21 mph | 2% | Cloudy |
| 10 PM | 67°F | 8 mph | NE | ⚡ 22 mph | 2% | Cloudy |
| 11 PM | 67°F | 8 mph | NE | ⚡ 22 mph | 10% | Cloudy |
| 12 AM | 65°F | 9 mph | E | ⚡ 23 mph | 14% | Cloudy |
| 1 AM | 64°F | 9 mph | E | ⚡ 24 mph | 21% | Slight Chance Rain Showers |
| 2 AM | 62°F | 9 mph | E | ⚡ 24 mph | 37% | Chance Rain Showers |
| 3 AM | 61°F | 10 mph | NE | ⚡ 27 mph | 56% | Rain Showers Likely |
| 4 AM | 60°F | 12 mph | NE | ⚡ 28 mph | 74% | Rain Showers Likely |
| 5 AM | 59°F | 13 mph | NE | ⚡ 29 mph | 61% | Rain Showers Likely |
| 6 AM | 58°F | 14 mph | NE | ⚡ 31 mph | 83% | Rain Showers |
| 7 AM | 58°F | 15 mph | E | ⚡ 31 mph | 86% | Rain Showers |
| 8 AM | 58°F | 15 mph | NE | ⚡ 32 mph | 87% | Rain Showers |
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.
Cloudy, with a high near 76. Northeast wind 5 to 9 mph, with gusts as high as 18 mph.
Mostly cloudy, with a high near 76. East northeast wind 6 to 9 mph, with gusts as high as 18 mph.
Rain showers likely after 1am. Cloudy, with a low around 58. Northeast wind 6 to 13 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers before 10am, then rain showers and patchy fog between 10am and 2pm, then patchy fog and showers and thunderstorms. Cloudy, with a high near 67. Northeast wind 14 to 20 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Patchy fog and showers and thunderstorms. Cloudy, with a low around 62. East northeast wind 9 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Showers and thunderstorms before 5pm. Partly sunny, with a high near 73. South wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Mostly clear, with a low around 59.
Sunny, with a high near 83.
Clear, with a low around 56.
Sunny, with a high near 84.
Clear, with a low around 58.
Sunny, with a high near 84.
Mostly clear, with a low around 59.
Sunny, with a high near 79.
Lake Keowee currently reports 68°F with wind velocity near 5 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 Lake Keowee 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 GSP) high-resolution numerical point-forecast API. LakeRadar uses the official gridpoint for Lake Keowee 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 Lake Keowee Water Level & Temperature page.
View Lake Keowee Water Level & Temperature →