Local Forecast for Orange County, CA Currently 64.0°F HI: 79.0°F LO: 58.0°F Extended Forecast Overnight Mostly clear, with a low around 58. Southeast wind around 5 mph. Saturday Sunny, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon. Saturday Night Mostly clear, with a low around 58. South wind around 5 mph becoming calm. Sunday Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon. Sunday Night Mostly clear, with a low around 65. Light and variable wind becoming northeast 5 to 10 mph in the evening. Monday Sunny, with a high near 93. Monday Night Mostly clear, with a low around 62. Tuesday Sunny, with a high near 92. Tuesday Night Clear, with a low around 61. Wednesday Sunny, with a high near 83. Wednesday Night Mostly clear, with a low around 58. Thursday Sunny, with a high near 83. Thursday Night Clear, with a low around 58.