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Mayfield Lake is a reservoir in Washington. The water surface spans about 2,250 acres, making it a mid-sized body of water. The page brings together an hourly and 7-day forecast, wind and gust outlook, and activity scores for boating, paddling, and swimming. Other waters in the region include Swofford Pond and American Lake. Use the conditions and forecast on this page to decide when to go boating, fishing, or paddling at Mayfield Lake.
Updated
Updated
Alerts are published by official agencies and shown verbatim. View the official alert source.
Frost Advisory issued October 9 at 11:48AM PDT until October 11 at 8:00AM PDT by NWS Seattle WA
Overall Good (80/100) across 4 activities. Best right now: Fishing (84/100).
How the score is calculated →Best excellent fishing window, averaging 92/100 across these hours. Wind 5 mph from the west. Dusk hours (18:00 local). Derived from the hourly forecast; official alerts are not forecast and are checked separately.
| Metric | 8p | 9p | 10p | 11p | 12a | 1a | 2a | 3a | 4a | 5a | 6a | 7a | 8a | 9a | 10a | 11a | 12p | 1p | 2p | 3p | 4p | 5p | 6p | 7p |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 54° | 56° | 56° | 56° | 56° | 55° | 51° | 47° | 45° | 44° | 43° | 43° | 43° | 42° | 42° | 42° | 42° | 41° | 40° | 42° | 43° | 45° | 47° | 48° |
| Wind (kts) | 6 | 6 | 7 | 7 | 6 | 4 | 3 | 2 | 2 | 2 | 3 | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 0 |
| Direction | NW | NW | NW | NW | NW | W | W | W | W | SW | SW | SW | SW | SW | SW | SW | SW | SW | SW | S | S | — | — | — |
| Gusts (kts) | 14 | 14 | 15 | 15 | 14 | 12 | 9 | 8 | 7 | 8 | 9 | 10 | 10 | 9 | 8 | 7 | 6 | 6 | 5 | 6 | 5 | 4 | 3 | 2 |
| Precip % | 3% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 1% | 1% | 0% | 2% | 1% | 3% | 9% | 8% | 17% | 17% | 36% | 34% | 36% | 33% | 19% | 19% |
| Time | Temp | Wind | Gusts | Precip | Cloud | Condition |
|---|---|---|---|---|---|---|
| Fri, 1 PM PDT | 54°F | 7 mph WNW (293°) | 16 mph | 3% | 57% | Partly Sunny |
| Fri, 2 PM PDT | 56°F | 7 mph WNW (293°) | 16 mph | 0% | 48% | Mostly Sunny |
| Fri, 3 PM PDT | 56°F | 8 mph WNW (293°) | 17 mph | 0% | 26% | Mostly Sunny |
| Fri, 4 PM PDT | 56°F | 8 mph WNW (293°) | 17 mph | 0% | 23% | Sunny |
| Fri, 5 PM PDT | 56°F | 7 mph WNW (293°) | 16 mph | 0% | 33% | Mostly Sunny |
| Fri, 6 PM PDT | 55°F | 5 mph W (270°) | 14 mph | 0% | 25% | Mostly Clear |
| Fri, 7 PM PDT | 51°F | 3 mph W (270°) | 10 mph | 0% | 33% | Partly Cloudy |
| Fri, 8 PM PDT | 47°F | 2 mph W (270°) | 9 mph | 0% | 32% | Partly Cloudy |
| Fri, 9 PM PDT | 45°F | 2 mph WSW (248°) | 8 mph | 1% | 36% | Partly Cloudy |
| Fri, 10 PM PDT | 44°F | 2 mph SW (225°) | 9 mph | 1% | 41% | Partly Cloudy |
| Fri, 11 PM PDT | 43°F | 3 mph SW (225°) | 10 mph | 0% | 48% | Partly Cloudy |
| Sat, 12 AM PDT | 43°F | 3 mph SW (225°) | 12 mph | 2% | 65% | Mostly Cloudy |
| Sat, 1 AM PDT | 43°F | 3 mph SW (225°) | 12 mph | 1% | 57% | Mostly Cloudy |
| Sat, 2 AM PDT | 42°F | 2 mph SSW (203°) | 10 mph | 3% | 66% | Mostly Cloudy |
| Sat, 3 AM PDT | 42°F | 2 mph SSW (203°) | 9 mph | 9% | 67% | Mostly Cloudy |
| Sat, 4 AM PDT | 42°F | 2 mph SSW (203°) | 8 mph | 8% | 61% | Mostly Cloudy |
| Sat, 5 AM PDT | 42°F | 1 mph SSW (203°) | 7 mph | 17% | 74% | Slight Chance Light Rain |
| Sat, 6 AM PDT | 41°F | 1 mph SSW (203°) | 7 mph | 17% | 80% | Slight Chance Light Rain |
| Sat, 7 AM PDT | 40°F | 1 mph SSW (203°) | 6 mph | 36% | 74% | Chance Light Rain |
| Sat, 8 AM PDT | 42°F | 2 mph S (180°) | 7 mph | 34% | 81% | Chance Light Rain |
| Sat, 9 AM PDT | 43°F | 1 mph S (180°) | 6 mph | 36% | 82% | Chance Light Rain |
| Sat, 10 AM PDT | 45°F | Calm | 5 mph | 33% | 86% | Chance Light Rain |
| Sat, 11 AM PDT | 47°F | Calm | 4 mph | 19% | 79% | Slight Chance Light Rain |
| Sat, 12 PM PDT | 48°F | Calm | 2 mph | 19% | 64% | Slight Chance Light Rain |
| Sat, 1 PM PDT | 49°F | Calm | 2 mph | 16% | 49% | Slight Chance Light Rain |
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 | This Afternoon October 9, 2026 | Tonight October 9, 2026 | Saturday October 10, 2026 | Saturday Night October 10, 2026 | Sunday October 11, 2026 | Sunday Night 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp (°F) | 57° | 40° | 55° | 37° | 60° | 36° | 62° | 39° | 62° | 44° | 62° | 43° | 67° | 46° |
| Wind | WNW 8 mph | WSW 1 to 5 mph | W 2 mph | NNE 0 to 3 mph | NNE 3 mph | NE 3 mph | N 2 mph | ENE 2 mph | ENE 1 mph | ESE 2 mph | SE 2 mph | ENE 1 mph | ENE 1 mph | NE 0 to 5 mph |
| Gusts | 17 mph | 14 mph | 7 mph | 9 mph | 10 mph | 10 mph | 6 mph | 7 mph | 5 mph | 8 mph | 6 mph | 7 mph | 6 mph | 12 mph |
| Precip % | 9% | 17% | 36% | 1% | 0% | 0% | 0% | 2% | 27% | 27% | 12% | 6% | 6% | 5% |
| Forecast |
No active USGS or USACE telemetry gauge is currently mapped to Mayfield Lake. Not available from a verified source for this lake.
Good for fishing (84/100), from 5 available inputs. Supporting this: Wind 7 mph from the west-northwest. 3% 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.
Good for boating (79/100), from 4 available inputs. Supporting this: Wind 7 mph from the west-northwest. Gusts to 16 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 sailing (75/100), from 4 available inputs. Supporting this: Wind 7 mph from the WNW is workable but not ideal. Gusts exceed sustained wind by 9 mph, making the breeze puffy. Not available from a verified source for this lake: visibility. Confidence is high (88%).
Good for kayaking (79/100), from 5 available inputs. Supporting this: Wind 7 mph from the west-northwest. Gusts to 16 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 WA Parks & Wildlife Authority. Public boaters should verify seasonal launch water levels, gate hours, and daily vehicle/vessel fees before traveling.
Nestled in WA, Mayfield Lake is an attractive freshwater reservoir celebrated for its open water, scenic shoreline, and productive sport fishery. From spring pre-spawn fishing to peak summer watersports, the lake remains a popular regional destination. Keep watercraft clean, drained, and dry to safeguard this aquatic resource.
Valid freshwater sport fishing license issued by Washington Department of Fish and Wildlife (WDFW) is required for anglers age 15+. 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 Coho Salmon, Lahontan Cutthroat Trout, Rainbow Trout, Chinook Salmon. 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 Mayfield 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 9, 1:51 PM PDT