Mount Marcy, NY
Today’s Forecast:
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Today’s Report:
Hiking
Use Caution for hiking. High near 47°F. Rain forecast later today (60%). Windy conditions (59 mph).
- Temp: Marginal weather factor
- Rain: Marginal weather factor
- Wind: Unfavorable weather factor
- Thunderstorm: Favorable conditions
Camping
Use Caution for camping. High near 47°F. Rain forecast later today (60%). Windy conditions (59 mph).
- Temp: Marginal weather factor
- Rain: Marginal weather factor
- Wind: Unfavorable weather factor
- Thunderstorm: Favorable conditions
Outdoor Events / Activities
Not Recommended for outdoor events / activities. High near 47°F. Rain forecast later today (60%). Windy conditions (59 mph). Temperatures outside comfort limits (47°F).
- Temp: Unfavorable weather factor
- Rain: Marginal weather factor
- Wind: Unfavorable weather factor
- Thunderstorm: Favorable conditions
About Mount Marcy
Mount Marcy is a New York destination for New York’s highest summit, long approaches, and severe exposed weather.
Make the Most of a Mount Marcy Day
Match the route, launch, facility, or turnaround time to precipitation, wind, temperature, visibility, water conditions, snow or ice, and seasonal access. Keep a shorter or more sheltered alternative ready.
Weather Tips for Mount Marcy
- Check official access notices, alerts, trail or road conditions, and local forecasts before leaving.
- Turn around before exposed ridges, cliffs, overlooks, or open ground become unsafe in thunder, high wind, ice, or poor visibility.
- Bring layers, water, navigation, sun protection, and traction or flotation appropriate to the season and activity.
- Allow extra time for traffic, limited winter daylight, lake-effect snow, freeze-thaw mud, and seasonal facility schedules.
Nearby Towns and Areas
This page can also be useful when planning outdoor time near:
- Adirondack Loj
- Heart Lake
- Van Hoevenberg Trail
- Lake Colden
- Keene Valley
Plan Around the Conditions
Choose the safest version of a Mount Marcy day by matching the activity to current wind, precipitation, temperature, visibility, water or snow conditions, access, and daylight.
7-Day Forecast for Mount Marcy
Mount Marcy Weather by Season
Winter
Winter at Mount Marcy brings cold, shorter daylight, and periodic snow or ice. Snow and ice can support the listed winter activities, but conditions and access must be confirmed locally.
Spring
Spring is changeable, with rain, mud, snowmelt, rising water, and lingering ice in shaded or elevated terrain. Lower routes and developed facilities generally become usable before exposed, backcountry, or high-elevation areas.
Summer
Summer usually provides the broadest access, but heat, humidity, thunderstorms, crowds, and occasional wildfire smoke can alter plans. Start exposed outings early and keep a weather-safe turnaround point.
Fall
Fall brings cooler air, foliage crowds, shorter daylight, and increasing wind. Early snow or ice can reach northern and elevated areas while lower valleys and coastal destinations remain milder.
Key Climate Data Points
- Annual average temperature: around 35–42°F in nearby valleys and colder at elevation, using the relevant local and elevation context.
- Annual snowfall: often 80–150+ inches in high terrain, with wind loading and major elevation variation.
- Warmest months: July and August are normally warmest.
- Coolest months: January is typically coolest, with February similarly cold in northern and elevated areas.
- Wettest season: precipitation is distributed through the year, with late spring through summer often wettest from rain and thunderstorms.
- Driest season: no season is reliably dry statewide; early fall often provides the most stable outdoor windows.
- Best outdoor window: June through October for warm-season access, with midwinter best only where established winter recreation is supported.