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    Jackson Lake scenic landscape
    Home>Lakes>Jackson Lake>Water Level & Temperature
    Live Hydrology TelemetryLast updated: Oct 11, 2026 • 7:04 AM
    ← Lake Dashboard

    Jackson Lake Water Level & Water Temperature

    Teton County, Wyoming

    The linked gauge for Jackson Lake reported 6733.99 ft at its latest stored observation on Oct 11, 2026, on a falling 30-day trend (-2.19 ft).

    Stage / Gage6733.99 ft
    30-Day Trend-2.19 ft
    Benchmark6,772 ft MSL
    Surface Temp47.3°F
    Monitoring Station
    USGS NWIS
    Jackson Lake near Moran, WY
    Sensor ID13010500
    Distance6.5 mi away
    Vertical DatumNAVD88
    Photo: Wikimedia Commons contributor • CC BY-SA 4.0
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    Latest Gage HeightWater Level
    6733.99FT GAGE

    Local gage height: 6733.99 ft

    Observed Oct 11, 11:45 AMHistory & Readings ↓
    30-Day TrendWater Level
    Falling-2.19 FT

    -2.19 ft net change over past 30 days

    30-Day WindowHistorical Trajectory
    Maximum Recorded DepthWater Level
    438FT

    Deepest basin sounding across ~25,540 acres

    Basin MetricSurvey Reference
    Water TemperatureSensor Reading
    47.3°F

    Cold (<50°F) · Immersion hazard · Cold shock caution

    Linked monitoring sensor

    Water Level

    Last 30 Days
    Surface elevation
    6,733.8 ft
    ↓ -2.2 ft (7 days)
    6,7376,7366,7356,7346,733Sep 12Sep 18Sep 23Oct 6Oct 116,733.8 ft
    Provisional USGS reading
    Daily History Table ↓

    Water Temperature (Surface)

    Surface temperature (Estimated Surface Temperature)
    64.6°F
    Estimated

    Nearby river temperature: 55.0°F at SNAKE RIVER NEAR MORAN, WY (6.7 mi away) · Oct 11, 12:45 PM UTC

    7469645853Oct 5Oct 8Sep 29Oct 2Oct 564.6°F
    Historical daily
    7-Day forecast
    Forecast uncertainty
    Temperature Guide ↓

    30-Day Gage Height History

    Gage height in feet · Daily observations
    30d Range6733.72 – 6736.01 ft
    6736.01 ft6734.86 ft6733.72 ftSep 12Sep 23Oct 11

    Recent Gage Height Readings

    Most recent linked-gauge observations, newest first. Gage height in ft .
    Observation DateGage height (ft)24h ChangeApproval Status
    Sun, Oct 11, 20266733.82+0.03 ftProvisional
    Sat, Oct 10, 20266733.79+0.02 ftProvisional
    Fri, Oct 9, 20266733.77-0.02 ftProvisional
    Thu, Oct 8, 20266733.79+0.03 ftProvisional
    Wed, Oct 7, 20266733.76-0.02 ftProvisional
    Tue, Oct 6, 20266733.78+0.04 ftProvisional
    Mon, Oct 5, 20266733.74-0.01 ftProvisional
    Sun, Oct 4, 20266733.75+0.01 ftProvisional
    Sat, Oct 3, 20266733.740.00 ftProvisional
    Fri, Oct 2, 20266733.74+0.02 ftProvisional
    Thu, Oct 1, 20266733.72-0.42 ftProvisional
    Wed, Sep 23, 20266734.14-0.02 ftProvisional
    Tue, Sep 22, 20266734.16-0.04 ftProvisional
    Mon, Sep 21, 20266734.20—Provisional

    Jackson Lake Water Temperature & Seasonal Thermal Guide

    Seasonal thermal layers, limnology dynamics, and temperature benchmarks.
    Current verified surface temperature: 47.3°F(Cold (<50°F))
    Linked monitoring sensor
    Summer Peak (Jun–Aug)68°F – 78°FPrime open water swimming, tubing, and shoreline wading.
    Fall Shoulder (Sep–Nov)56°F – 66°FCool water; active fall bass, trout, and walleye feeding transition.
    Spring Pre-Spawn (Apr–May)48°F – 58°FCold shock hazard; wetsuits recommended and USCG PFD required.
    Winter Min (Dec–Mar)34°F – 44°FSevere immersion hazard; possible surface freezing or ice cover.
    Limnological Note: In temperate freshwater lakes, the epilimnion (surface layer) warms quickly on sunny afternoons, while water below 15–20 feet remains 10–20°F cooler.

    Jackson Lake Swimming & Immersion Suitability

    Real-time open water swimming readiness calculated from verified water temperature (47.3°F), cold shock hazards, and local atmospheric conditions for Jackson Lake
    Forecast & Solar Times →
    —/ 100
    Sensor Pending
    Telemetry Coverage:

    Direct in-situ sensor data is required to compute numeric suitability.

    Water temperature is not available from a verified source for this lake. No swimming score is shown without it.

    Scoring Factors & Telemetry Inputs
    Storms and alertsNo alerts100% score
    Air temperature43°F13% score
    Water temperatureActive
    Wind6 mph SSE94% score
    Precipitation chance79%19% score

    Jackson Lake Telemetry & Sensor Provenance

    Physical in-situ monitoring equipment, benchmarks & sensor specifications
    Monitoring StationJackson Lake near Moran, WY
    Station IdentifierStation #13010500
    Coverage TypeDirect in-situ lake sensor
    Vertical DatumNot cataloged
    Sensor Coordinates43.8578° N, 110.5903° W
    Parameters Tracked00062

    Frequently Asked Questions About Jackson Lake Water

    Common questions about water levels, elevation, and swimming temperature
    What is the current water level at Jackson Lake?+
    The linked gauge's latest stored gage height for Jackson Lake is 6733.99 ft. Gage height is not water depth or automatically an elevation above sea level.
    How full is Jackson Lake?+
    LakeRadar cannot determine how full Jackson Lake is because a verified full-pool benchmark is not cataloged.
    What is the full pool elevation for Jackson Lake?+
    A full-pool benchmark is not available from a verified source for Jackson Lake.
    What is the water temperature of Jackson Lake?+
    The linked sensor's latest stored water-temperature reading for Jackson Lake is 47.3°F.
    How is Jackson Lake's water level measured?+
    The linked gage-height observations for Jackson Lake come from Jackson Lake near Moran, WY (automated hydrological monitoring network). LakeRadar stores normalized telemetry from verified in-situ hydrographic sensors.

    Real-time hydrological water levels, surface temperatures, atmospheric forecasts, and marine safety conditions. Return to Jackson Lake Dashboard → · Boating Outlook → · Sailing Guide → · Weather & Forecast → · Fishing Forecast → · Radar & Map →