Weekend Weather for Diamond Bar-Walnut

The National Weather Service forecast for Diamond Bar-Walnut:

• Friday: Sunny, with a high near 81. Southwest wind around 10 mph.
• Friday Night: Patchy drizzle after 11pm. Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 50. Southwest wind 5 to 10 mph becoming light south southwest in the evening.
• Saturday: Patchy drizzle before 11am. Patchy fog before 11am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 69. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
• Saturday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 51. Southwest wind 5 to 10 mph.
• Sunday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 70. Southwest wind 5 to 10 mph.
• Sunday Night: Partly cloudy, with a low around 51.
• Monday: Mostly sunny, with a high near 81.