Local Forecast for Orange County, CA Currently 53.0°F HI: 67.0°F LO: 47.0°F Extended Forecast Overnight Partly cloudy, with a low around 47. East wind around 5 mph. Tuesday Partly sunny, with a high near 67. Calm wind becoming southwest around 5 mph in the afternoon. Tuesday Night Mostly cloudy, with a low around 49. Calm wind. Wednesday Mostly sunny, with a high near 66. Calm wind becoming southwest around 5 mph in the afternoon. Wednesday Night Partly cloudy, with a low around 49. Southeast wind around 5 mph becoming calm after midnight. Thursday Mostly sunny, with a high near 75. Thursday Night Mostly clear, with a low around 53. Friday Sunny, with a high near 73. Friday Night Mostly clear, with a low around 53. Saturday Mostly sunny, with a high near 70. Saturday Night Partly cloudy, with a low around 49. Sunday Sunny, with a high near 67. Sunday Night Mostly clear, with a low around 49.