Grand Teton National Park, WY
Today’s Forecast:
Today’s Report:
Hiking
Excellent for hiking. High near 50°F. Low rain risk (1%). Light wind (7 mph).
- Temp: Marginal weather factor
- Rain: Favorable conditions
- Wind: Favorable conditions
- Thunderstorm: Favorable conditions
Camping
Excellent for camping. High near 50°F. Low rain risk (1%). Light wind (7 mph).
- Temp: Favorable conditions
- Rain: Favorable conditions
- Wind: Favorable conditions
- Thunderstorm: Favorable conditions
Paddling
Not Recommended for paddling. High near 50°F. Low rain risk (1%). Light wind (7 mph). Temperatures outside comfort limits (50°F).
- Temp: Unfavorable weather factor
- Rain: Favorable conditions
- Wind: Favorable conditions
- Thunderstorm: Favorable conditions
Outdoor Events / Activities
Good for outdoor events / activities. High near 50°F. Low rain risk (1%). Light wind (7 mph).
- Temp: Marginal weather factor
- Rain: Favorable conditions
- Wind: Favorable conditions
- Thunderstorm: Favorable conditions
About Grand Teton National Park
Grand Teton National Park is a Wyoming destination for a flagship national park with trails, lakes, campgrounds, scenic drives, and groomed winter recreation.
Make the Most of a Grand Teton National Park Day
Match the route, launch, facility, or turnaround time to wind, precipitation, temperature, smoke, water, snow, road access, and daylight. Keep a shorter or more sheltered backup ready.
Weather Tips for Grand Teton National Park
- Check official access notices, alerts, road or trail conditions, fire restrictions, and local forecasts before leaving.
- Check river flow, reservoir wind, cold-water conditions, waves, lightning, and verified local ice reports before water plans; no forecast alone proves that ice is safe.
- Carry layers, water, navigation, sun protection, and seasonal traction or flotation appropriate to the activity.
- Allow extra time for remote roads, mountain passes, wildlife, spring runoff, wildfire smoke, and limited winter daylight.
Nearby Towns and Areas
This page can also be useful when planning outdoor time near:
- Moose
- Colter Bay
- Signal Mountain
- Moran
- Antelope Flats
Plan Around the Conditions
Choose the safest version of a Grand Teton National Park day by matching the activity to current wind, precipitation, temperature, smoke, water or snow conditions, access, and daylight.
7-Day Forecast for Grand Teton National Park
Grand Teton National Park Weather by Season
Winter
Winter at Grand Teton National Park can bring snow, ice, strong wind, short daylight, and abrupt road or trail changes. Confirm grooming, avalanche information, ice conditions, and facility operations for the listed winter activities.
Spring
Spring brings freeze-thaw mud, snowmelt, high rivers, cold water, and lingering mountain snow. Lower routes generally open before high passes and backcountry trailheads.
Summer
Summer usually offers the broadest access, but heat, dry air, thunderstorms, lightning, wildfire smoke, reservoir wind, and cold mountain water can alter plans.
Fall
Fall brings cooler air, shorter daylight, hunting-season awareness, and early high-country snow. Confirm seasonal services and allow extra time on remote roads.
Key Climate Data Points
- Annual average temperature: around 35–43°F in Jackson Hole and colder at elevation, using the relevant local and elevation context.
- Annual snowfall: commonly 100–250 inches across mountain terrain.
- Warmest months: July and August are normally warmest.
- Coolest months: December and January are typically coolest.
- Wettest season: winter and spring usually provide the greatest mountain precipitation, with local variation.
- Driest season: midsummer is generally driest, despite isolated thunderstorms.
- Best outdoor window: June through September for broad warm-season access, with midwinter best at established winter destinations.