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Big Bear Weather

Live mountain weather from the National Weather Service for Big Bear Lake and surrounding routes

Live Conditions

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Next Forecast Periods

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Highest Temp Recorded

~94°F

Late-summer heat waves can push Big Bear into the 90s, especially in July/August afternoons.

Lowest Temp Recorded

~−25°F

Arctic outbreaks can produce extreme overnight cold in winter valleys around Big Bear.

Sunny Days per Year

300+ days

Big Bear averages abundant sunshine; UV can still be strong even when air temps feel cool.

Sunburn & UV Warning

At 6,700+ feet, UV intensity is significantly stronger than most valley locations. Apply SPF 30+, reapply every 2 hours, and wear sunglasses + a hat even on cool, windy days.

Mountain Weather Tips

  • - Big Bear sits around 6,750 feet and is often 20-30F cooler than the valleys.
  • - Conditions can shift quickly, especially from afternoon wind and storm cells.
  • - Winter road conditions can change in under an hour during active weather.
  • - UV exposure is stronger at altitude, even in cold weather.

Before You Drive

  • - Check chain controls right before departure.
  • - Bring layers and keep warm gear in your vehicle.
  • - Carry water and snacks in case of traffic holds.
  • - Use live cameras for visual confirmation of snow and roads.
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