Tonight. Mostly cloudy. Low 57F. Winds light and variable.

Los Angeles County's coldest month is December when the average temperature overnight is 48.3°F. In August, the warmest month, the average day time temperature rises to 84.8°F.

The climate of California varies widely from hot desert to alpine tundra, depending on latitude, elevation, and proximity to the Pacific Coast. California's coastal regions, the Sierra Nevada foothills, and much of the Central Valley have a Mediterranean climate, with warmer, drier weather in summer and cooler, wetter ...

Santa Ana Winds occur when air from a region of high pressure over the dry, desert region of the southwestern U.S. flows westward towards low pressure located off the California coast. This creates dry winds that flow east to west through the mountain passages in Southern California.