Local Forecast for Orange County, CA Currently 66.0°F HI: 77.0°F LO: 61.0°F Extended Forecast Today Mostly cloudy, then gradually becoming sunny, with a high near 77. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Tonight Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming southeast after midnight. Friday Sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon. Friday Night Mostly clear, with a low around 63. Southwest wind around 5 mph becoming calm in the evening. Saturday Sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon. Saturday Night Patchy fog after 11pm. Otherwise, mostly clear, with a low around 64. Sunday Patchy fog before 11am. Otherwise, sunny, with a high near 88. Sunday Night Partly cloudy, with a low around 64. Monday Mostly sunny, with a high near 81. Monday Night Mostly clear, with a low around 62. Tuesday Sunny, with a high near 85. Tuesday Night Mostly clear, with a low around 64. Wednesday Sunny, with a high near 83.