Mount Whitney, CA

Today’s Forecast:

Today’s Report:

About Mount Whitney

Mount Whitney is an outdoor-planning page for Whitney Portal and the Mount Whitney trail corridor. It has a distinct purpose centered on extreme elevation, snow and ice, cold nights, thunderstorms, smoke, and road access, with the forecast used to choose the safest and most comfortable version of the day.

Make the Most of a Mount Whitney Day

Start by comparing conditions across Whitney Portal, Lone Pine, and the rest of the coverage area. Choose among hiking, camping, outdoor events based on wind, precipitation, temperature, visibility, water or trail conditions, road access, smoke, and available daylight.

Weather Tips for Mount Whitney

• Conditions around Whitney Portal and the Mount Whitney trail corridor can differ sharply from nearby towns; extreme elevation, snow and ice, cold nights, thunderstorms, smoke, and road access are the main planning variables.
• For camping, confirm overnight lows, wind, precipitation, fire restrictions, campground access, and how quickly shelter or services can be reached.
• Check elevation-specific forecasts, snow and ice, chain controls, seasonal roads, cold nights, thunderstorms, wildfire smoke, and shoulder-season closures.
• Crowds and parking can narrow the useful weather window, so arrive early and keep a lower-commitment nearby option.

Nearby Towns and Areas

This page covers Whitney Portal and the Mount Whitney trail corridor. It can also be useful when planning outdoor time near:

• Whitney Portal
• Lone Pine Lake
• Outpost Camp
• Trail Camp
• Horseshoe Meadow
• Cottonwood Lakes

Plan Around the Conditions

Use the forecast to choose the best version of Mount Whitney rather than forcing one itinerary. A shorter route, earlier launch, sheltered shoreline, lower-elevation trail, or town-based backup can preserve the day when conditions change.

7-Day Forecast for Mount Whitney

Mount Whitney Weather by Season

Winter

At Mount Whitney, winter conditions include deep snow, ice, avalanche terrain, inaccessible trailheads, and severe cold. Clear lower-valley weather does not describe the upper route.

Spring

Around Whitney Portal and the Mount Whitney trail corridor, spring remains a mountaineering season at high elevation, with snow travel, freezing nights, runoff, and roads or campgrounds opening gradually. Permits and forecasts should be checked before leaving town.

Summer

For extreme elevation, snow and ice, cold nights, thunderstorms, smoke, and road access, summer is the main hiking window, but altitude, intense sun, cold nights, lingering snow, and afternoon thunderstorms require early starts and conservative turnarounds. Smoke and wildfire closures can affect the approach.

Fall

Near Whitney Portal and the surrounding area, early fall can bring stable mornings and cold nights before snow and ice return. Shorter daylight and reduced services increase the cost of delays.

Key Climate Data Points

• Warmest months: July and August at trailheads.
• Coolest months: December through February.
• Wettest season: November through April, mainly as snow.
• Driest season: July through September.
• Best outdoor window: Mid-July through early September after snow and before early winter storms.