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Official National Weather Service (NWS) point forecast and real-time wind conditions for Hamilton Lake (Indiana). 24-hour hour-by-hour wind timelines, peak gusts, watercraft recreation safety thresholds, and 7-day marine outlook.
Today: High 68°F · Low 54°F
Peak gusts: 10 mph · Lake surface chop expected
Humidity: 46% · Barometer: 30.15 inHg
USGS water monitoring available for Hamilton Lake.
Excellent for boating (95/100), from 4 available inputs. Supporting this: Wind 5 mph from the south. Gusts to 10 mph. 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 5 mph from the south. 1% 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.
Excellent for kayaking (95/100), from 5 available inputs. Supporting this: Wind 5 mph from the south. Gusts to 10 mph. 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 |
|---|---|---|---|---|---|---|
| 1 PM | 65°F | 5 mph | S | ⚡ 10 mph | 1% | Mostly Cloudy |
| 2 PM | 65°F | 5 mph | S | ⚡ 9 mph | 1% | Cloudy |
| 3 PM | 66°F | 5 mph | S | ⚡ 9 mph | 4% | Cloudy |
| 4 PM | 67°F | 5 mph | S | ⚡ 8 mph | 8% | Mostly Cloudy |
| 5 PM | 68°F | 5 mph | SE | ⚡ 9 mph | 8% | Mostly Cloudy |
| 6 PM | 67°F | 5 mph | SE | ⚡ 8 mph | 8% | Mostly Cloudy |
| 7 PM | 66°F | 5 mph | E | ⚡ 9 mph | 8% | Mostly Cloudy |
| 8 PM | 65°F | 5 mph | E | ⚡ 12 mph | 8% | Mostly Cloudy |
| 9 PM | 61°F | 5 mph | E | ⚡ 13 mph | 8% | Mostly Cloudy |
| 10 PM | 60°F | 5 mph | E | ⚡ 13 mph | 6% | Mostly Cloudy |
| 11 PM | 59°F | 5 mph | E | ⚡ 14 mph | 7% | Mostly Cloudy |
| 12 AM | 59°F | 5 mph | E | ⚡ 14 mph | 5% | Mostly Cloudy |
| 1 AM | 58°F | 5 mph | E | ⚡ 14 mph | 4% | Mostly Cloudy |
| 2 AM | 57°F | 5 mph | E | ⚡ 14 mph | 2% | Mostly Cloudy |
| 3 AM | 56°F | 5 mph | SE | ⚡ 14 mph | 2% | Mostly Cloudy |
| 4 AM | 56°F | 5 mph | SE | ⚡ 13 mph | 2% | Mostly Cloudy |
| 5 AM | 56°F | 5 mph | SE | ⚡ 13 mph | 1% | Mostly Cloudy |
| 6 AM | 54°F | 5 mph | SE | ⚡ 13 mph | 0% | Partly Sunny |
| 7 AM | 55°F | 5 mph | SE | ⚡ 13 mph | 0% | Partly Sunny |
| 8 AM | 54°F | 5 mph | SE | ⚡ 12 mph | 0% | Partly Sunny |
| 9 AM | 57°F | 5 mph | SE | ⚡ 14 mph | 0% | Partly Sunny |
| 10 AM | 62°F | 5 mph | SE | ⚡ 14 mph | 0% | Partly Sunny |
| 11 AM | 66°F | 10 mph | SE | ⚡ 15 mph | 0% | Mostly Cloudy |
| 12 PM | 70°F | 10 mph | SE | ⚡ 16 mph | 0% | Mostly Cloudy |
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.
Mostly cloudy, with a high near 70. South wind around 5 mph.
Mostly cloudy, with a low around 54. Southeast wind around 5 mph.
Partly sunny, with a high near 77. Southeast wind 5 to 10 mph.
A chance of rain showers after midnight. Cloudy, with a low around 57. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
A chance of rain showers before 2pm. Cloudy, with a high near 68. East wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Mostly cloudy, with a low around 55.
Mostly sunny, with a high near 79.
A chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 74. Chance of precipitation is 40%.
Partly cloudy, with a low around 50.
A slight chance of rain showers after 2pm. Mostly sunny, with a high near 68. Chance of precipitation is 20%.
A chance of rain showers. Mostly cloudy, with a low around 51.
A chance of rain showers. Partly sunny, with a high near 70.
A chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Hamilton Lake currently reports 66°F with wind velocity near 6 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 Hamilton 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 IWX) high-resolution numerical point-forecast API. LakeRadar uses the official gridpoint for Hamilton 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 Hamilton Lake Water Level & Temperature page.
View Hamilton Lake Water Level & Temperature →