Local Forecast for Orange County, CA Currently 67.0°F HI: 80.0°F LO: 64.0°F Extended Forecast Overnight Patchy fog. Otherwise, cloudy, with a low around 64. Calm wind. Tuesday Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 80. Light southwest wind increasing to 5 to 10 mph in the afternoon. Tuesday Night Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming calm after midnight. Wednesday Mostly cloudy, then gradually becoming sunny, with a high near 78. Southeast wind 5 to 10 mph becoming southwest in the afternoon. Wednesday Night Increasing clouds, with a low around 62. Southwest wind 5 to 10 mph becoming southeast after midnight. Thursday Cloudy through mid morning, then gradual clearing, with a high near 75. Thursday Night Increasing clouds, with a low around 60. Friday Mostly cloudy, then gradually becoming sunny, with a high near 78. Friday Night Increasing clouds, with a low around 61. Saturday Mostly cloudy through mid morning, then gradual clearing, with a high near 79. Saturday Night Increasing clouds, with a low around 61. Sunday Mostly cloudy through mid morning, then gradual clearing, with a high near 79. Sunday Night Increasing clouds, with a low around 61.