... including targeted forecasts at the time of your arrival to each point!
In Grand Teton National Park, the summers are warm, dry, and mostly clear and the winters are freezing, snowy, and partly cloudy. Over the course of the year, the temperature typically varies from 6°F to 80°F and is rarely below -13°F or above 87°F.
The warm season lasts for 3 months, from June to September, with an average daily high temperature above 69°F. The hottest month of the year in Grand Teton National Park is July, with an average high of 79°F and low of 44°F.
The cold season lasts for 3.5 months, from November to March, with an average daily high temperature below 35°F. The coldest month of the year in Grand Teton National Park is January, with an average low of 6°F and high of 25°F.
Between storms the days are sunny and nights are frigid. Snow blankets the mountains and valley. Vehicles with four-wheel drive, all-wheel drive, or all-weather tires are recommended for winter travel, roads may be closed during blizzards.
The park was established in 1929.
This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Grand Teton National Park.