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During the summer when temperatures soar, air quality may be poor. Please use caution and check our Live Weather & Air Quality Data page. During the fall and winter months, air quality is generally good.
Air Quality: June 13 through June 16
North and West entrance stations
Days are typically clear with less than 25% humidity. Temperatures are most comfortable in the spring and fall, with an average highs around 85°F (29°C) and average lows around 50°F (10°C) respectively. Winter brings cooler days, around 60°F (15°C), and freezing nights. It occasionally snows at higher elevations. Summers are hot, over 100°F (38°C) during the day and not cooling much below 75°F (24°C) at night.
Last updated: June 13, 2019