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New Melones Lake is a reservoir in California. At around 12,500 acres (about 20 square miles), it is a large waterbody. Below you will find an hourly and 7-day forecast, wind and gust outlook, and activity scores for boating, paddling, and swimming. Other waters in the region include Camanche Reservoir, Cherry Lake, and Beardsley Lake. Check the hourly forecast and activity outlook below before heading out to New Melones Lake.
Updated
No active alerts for this lake as of the last check (Oct 11, 10:53 AM PDT). Alerts are re-checked automatically; see the official source for updates.
Overall Excellent (90/100) across 4 activities. Best right now: Boating (98/100).
How the score is calculated →Best excellent fishing window, averaging 93/100 across these hours. Wind 5 mph from the west. Dusk hours (19:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 5p | 6p | 7p | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 59° | 62° | 64° | 67° | 68° | 68° | 70° | 69° | 69° | 67° | 63° | 62° | 61° | 60° | 59° | 58° | 57° | 56° | 54° | 53° | 53° | 52° | 54° | 54° |
| Wind (kts) | 3 | 5 | 6 | 7 | 7 | 7 | 7 | 6 | 5 | 3 | 2 | 2 | 4 | 10 | 10 | 10 | 9 | 10 | 9 | 8 | 8 | 8 | 7 | 7 |
| Direction | W | W | SW | SW | SW | SW | SW | S | S | S | SE | SE | SE | S | SE | S | S | S | SE | SE | SE | SE | S | S |
| Gusts (kts) | 7 | 10 | 12 | 14 | 15 | 15 | 15 | 13 | 9 | 4 | 3 | 4 | 9 | 20 | 20 | 18 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 15 |
| Precip % | 2% | 3% | 3% | 3% | 3% | 2% | 2% | 2% | 4% | 4% | 5% | 5% | 5% | 12% | 9% | 10% | 13% | 11% | 10% | 6% | 5% | 4% | 3% | 4% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Sun, 10 AM PDT | 59°F | 3 mph W (270°) | 8 mph | 2% | 15% | Sunny |
| Sun, 11 AM PDT | 62°F | 6 mph WSW (248°) | 12 mph | 3% | 5% | Sunny |
| Sun, 12 PM PDT | 64°F | 7 mph SW (225°) | 14 mph | 3% | 7% | Sunny |
| Sun, 1 PM PDT | 67°F | 8 mph SW (225°) | 16 mph | 3% | 4% | Sunny |
| Sun, 2 PM PDT | 68°F | 8 mph SSW (203°) | 17 mph | 3% | 8% | Sunny |
| Sun, 3 PM PDT | 68°F | 8 mph SSW (203°) | 17 mph | 2% | 8% | Sunny |
| Sun, 4 PM PDT | 70°F | 8 mph SSW (203°) | 17 mph | 2% | 9% | Sunny |
| Sun, 5 PM PDT | 69°F | 7 mph S (180°) | 15 mph | 2% | 11% | Sunny |
| Sun, 6 PM PDT | 69°F | 6 mph S (180°) | 10 mph | 4% | 7% | Mostly Clear |
| Sun, 7 PM PDT | 67°F | 3 mph S (180°) | 5 mph | 4% | 7% | Mostly Clear |
| Sun, 8 PM PDT | 63°F | 2 mph SE (135°) | 4 mph | 5% | 13% | Mostly Clear |
| Sun, 9 PM PDT | 62°F | 2 mph ESE (113°) | 5 mph | 5% | 11% | Mostly Clear |
| Sun, 10 PM PDT | 61°F | 5 mph SE (135°) | 10 mph | 5% | 39% | Partly Cloudy |
| Sun, 11 PM PDT | 60°F | 12 mph SSE (158°) | 23 mph | 12% | 54% | Mostly Cloudy |
| Mon, 12 AM PDT | 59°F | 12 mph SE (135°) | 23 mph | 9% | 20% | Mostly Clear |
| Mon, 1 AM PDT | 58°F | 12 mph SSE (158°) | 21 mph | 10% | 26% | Partly Cloudy |
| Mon, 2 AM PDT | 57°F | 10 mph SSE (158°) | 20 mph | 13% | 47% | Partly Cloudy |
| Mon, 3 AM PDT | 56°F | 12 mph SSE (158°) | 20 mph | 11% | 26% | Partly Cloudy |
| Mon, 4 AM PDT | 54°F | 10 mph SE (135°) | 20 mph | 10% | 23% | Mostly Clear |
| Mon, 5 AM PDT | 53°F | 9 mph SE (135°) | 18 mph | 6% | 18% | Mostly Clear |
| Mon, 6 AM PDT | 53°F | 9 mph SE (135°) | 18 mph | 5% | 18% | Sunny |
| Mon, 7 AM PDT | 52°F | 9 mph SE (135°) | 18 mph | 4% | 18% | Sunny |
| Mon, 8 AM PDT | 54°F | 8 mph SSE (158°) | 17 mph | 3% | 8% | Sunny |
| Mon, 9 AM PDT | 54°F | 8 mph SSE (158°) | 17 mph | 4% | 8% | Sunny |
| Mon, 10 AM PDT | 58°F | 8 mph SSE (158°) | 17 mph | 3% | 8% | Sunny |
Official National Weather Service hourly forecast. Showing 10 of 25 hours. Wind arrows point the way the wind is blowing; the compass point and degrees show where it comes from.
| Period | Today October 11, 2026 | Tonight October 11, 2026 | Columbus Day October 12, 2026 | Monday Night October 12, 2026 | Tuesday October 13, 2026 | Tuesday Night October 13, 2026 | Wednesday October 14, 2026 | Wednesday Night October 14, 2026 | Thursday October 15, 2026 | Thursday Night October 15, 2026 | Friday October 16, 2026 | Friday Night October 16, 2026 | Saturday October 17, 2026 | Saturday Night October 17, 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 70° | 52° | 66° | 49° | 70° | 50° | 73° | 53° | 78° | 56° | 82° | 58° | 84° | 59° |
| Wind | SW 3 to 8 mph | SSE 2 to 12 mph | S 5 to 9 mph | NNE 5 mph | NW 3 to 9 mph | NNE 3 to 8 mph | W 2 to 6 mph | NNE 1 to 5 mph | WSW 1 to 5 mph | NNE 1 to 6 mph | WSW 1 to 6 mph | NNW 1 to 7 mph | W 1 to 7 mph | NNE 3 to 8 mph |
| Gusts | 17 mph | 23 mph | 20 mph | 10 mph | 18 mph | 17 mph | 12 mph | 9 mph | 12 mph | 9 mph | 10 mph | 9 mph | 13 mph | 12 mph |
| Precip % | 3% | 13% | 5% | 4% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% |
| Forecast |
Good for fishing (88/100), from 5 available inputs. Supporting this: Wind 3 mph from the west. 2% 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 boating (98/100), from 4 available inputs. Supporting this: Wind 3 mph from the west. Gusts to 8 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.
Fair for sailing (72/100), from 4 available inputs. Supporting this: No active official alerts for this lake. Gusts exceed sustained wind by 5 mph, making the breeze puffy. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Excellent for kayaking (97/100), from 5 available inputs. Supporting this: Wind 3 mph from the west. Gusts to 8 mph. Confidence is high (90%).
Water temperature is not available from a verified source for this lake. No swimming score is shown without it.
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Individual boat ramp GPS coordinates are maintained under the jurisdiction of CA Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
As a prominent feature of CA's hydrographic network, New Melones Lake provides rewarding recreation for both motorized craft and paddleboarders. Its channels and bays offer shelter from prevailing winds and fertile habitat for regional sportfish. Review state fishing license requirements and local launch regulations before putting in.
Valid freshwater sport fishing license issued by California Department of Fish and Wildlife (CDFW) is required for anglers age 16+. Digital license on mobile is accepted.
Mandatory Clean, Drain & Dry inspection. Out-of-area craft require on-site Aquatic Invasive Species (AIS Quagga/Zebra) inspection or decontamination before launch. USCG life jackets required for all.
Public shoreline and boating access managed by State & Local Authorities. Verify seasonal gate hours, launch fees, and parking rules before travel.
High-speed motorboating, pontoon cruising, wakeboarding, and water skiing across main channels. Target gamefish include Bluegill, Chinook Salmon, Black Crappie, Largemouth Bass. Morning hours typically provide optimal glassy conditions for kayak and stand-up paddleboard (SUP) touring.
Warm water temperatures, peak swimming, active watersports, and open full-service campgrounds. Highest weekly attendance; plan early arrivals on summer weekends.
Spring pre-spawn and fall feeding transitions create prime trophy angling conditions. Cooler air, lower boat traffic, and vibrant seasonal shoreline foliage.
Mild year-round outdoor climate. Uncrowded waters, active winter bass and crappie fishing, and open year-round boat launch access.
No external source rows are cited by the data currently shown on this page.
Updated
Scores are heuristics, not safety guarantees. LakeRadar scores summarize available conditions and are not a substitute for official warnings, local rules, or on-water judgment.
All telemetry for New Melones Lake is synchronized directly from authorized federal and state monitoring networks (USGS, NWS, NOAA, and state environmental authorities). Observations are strictly instrumented readings — unmonitored sensors are transparently disclosed rather than synthetic estimates.
Last source audit: Oct 11, 10:53 AM PDT