Grass Lake· Lake Tahoe· conditions updating now
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Grass Lake

Lake · Lake Tahoe corridor

Grass Lake sits at 7,264 feet in the Lake Tahoe Sierra corridor, a small alpine lake accessed via Highway 50. Spring conditions favor early mornings before afternoon wind develops.

Today
20
NoGo Score · Go · excellent
Temp
51°F
Wind
8 mph
Vis
5 mi
Precip
0.01"
AQI
9
Cloud
100%

Grass Lake catches afternoon wind funneling off the broader Tahoe watershed. Mornings are typically calm; by midday, gusts push across the water and shoreline. Cold springs and late-season snow keep water temperatures low through late April.

Over the last 30 days, Grass Lake has averaged a 14 NoGo Score with winds around 11 mph and temperatures near 29 degrees Fahrenheit. Crowding remains light at a 3 out of 10. The week ahead holds steady winds with no major warming trend; expect calm mornings and building afternoon gusts typical of high-Sierra spring.

30 days back / 7 days forward

NoGo Score
avg 13 · today 16
NoGo Score trend for Grass Lake: 30-day average 13, range 10 to 17; 7 days of forecastLine chart showing nogo score over 31 historical days and 7 days of forecast.
30-day average 13 (excellent); range 10 on Jul 29 to 17 on Aug 22. 7-day forecast trends in line with the historical average.
Wind
avg 16 · today 15mph
Wind speed trend for Grass Lake: 30-day average 16 mph, peak 20 mph on Aug 22Line chart showing wind over 31 historical days and 7 days of forecast.
30-day average 16 mph; peak 20 mph on Aug 22. Week ahead peaks at 18 mph on Aug 29.
Temperature
avg 60 · today 51°F
Temperature trend for Grass Lake: 30-day average 60°F, range 51 to 67°FLine chart showing temperature over 31 historical days and 7 days of forecast.
30-day average 60°F; range 51 (Aug 28) to 67 (Aug 7). Holding steady.
Crowding
avg 7 · today 6
Crowding trend for Grass Lake: typically quietLine chart showing crowding over 31 historical days and 7 days of forecast.
Typically quiet (avg 7); peak 12 on Aug 16.

Today's score by factor

Weather13
Crowding20
Avalanche0
Fire0
Traffic
Air quality2
Trails20
Seasonality43

About Grass Lake

Grass Lake is a small alpine water body in the Lake Tahoe corridor of California's Sierra Nevada, sitting at 7,264 feet elevation. Primary access runs via Highway 50 from the west (Sacramento gateway) or from the Tahoe basin to the east. The lake lies in the transition zone between the snow-fed headwater drainages and the lower Tahoe rim, making it a logical waypoint for paddlers, anglers, and hikers working the Highway 50 corridor. Spring and early summer are the active seasons; winter snow and ice typically close approach roads until late April or May.

Conditions at Grass Lake follow a predictable alpine pattern. The 30-day average wind of 11 mph masks a sharp day-to-night swing: calm mornings (often under 5 mph) give way to afternoon gusts that have reached 35 mph in recent months. Temperature averages 29 degrees Fahrenheit across the rolling 30 days, a clear signal that snow patches persist on north-facing slopes and water temperatures stay frigid. Crowding scores of 3 out of 10 reflect the lake's modest profile; it draws far fewer visitors than Lake Tahoe's main basins or Highway 120 passes. High-pressure systems bring stable wind; low-pressure systems can stall overnight, flooding the lake with cold air and making dawn the optimal window.

Grass Lake suits paddlers and anglers seeking a quieter alpine experience without committing to multi-hour drives into the wilderness. The modest popularity (0.25 base score) means parking is rarely contested and launches are straightforward. Experienced visitors plan launches for sunrise to mid-morning, skipping the 2 to 4 PM window when thermal wind builds. Spring snowmelt can roil the shallows; expect cold water (well below 50 degrees Fahrenheit) through May. Smoke from Sierra fires occasionally drifts over the lake in late summer and early fall, reducing visibility and air quality.

Grass Lake pairs well with other Highway 50 corridor lakes and passes. Silver Lake (slightly lower elevation, warmer in spring) sits nearby and offers a warmer-water alternative. Visitors staging from Sacramento or the Tahoe rim often combine a Grass Lake morning with afternoon work at lower-elevation or sheltered water. The lake's position on the western slope makes it accessible earlier in the season than high passes like Highway 120; spring visitors often find Grass Lake passable when the alpine crest is still snow-locked.

Best times to visit Grass Lake

Best day
Tuesday to Thursday morning
Best season
Late April through June
Watch for
Afternoon wind and cold water

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