Weekend Weather Forecast for Diamond Bar-Walnut

The National Weather Service forecast:

• Saturday: Sunny, with a high near 86. West southwest wind 5 to 10 mph, with gusts as high as 15 mph.
• Saturday Night: Patchy fog after midnight. Otherwise, increasing clouds, with a low around 57. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
• Sunday: Patchy fog before noon. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Light south southwest wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
• Sunday Night: Patchy fog after midnight. Otherwise, increasing clouds, with a low around 57. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
• Monday: Patchy fog before noon. Otherwise, mostly sunny, with a high near 78. Light south wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.