Weather forecast for: Mission Viejo CA
Last Update: 12:07 pm PDT Aug 30, 2026
Tonight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 66. Southwest wind around 5 mph becoming southeast after midnight.
Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 86. Southeast wind 5 to 10 mph becoming southwest in the afternoon.
Monday Night: Mostly clear, with a low around 63. West wind around 5 mph becoming calm in the evening.
Tuesday: Sunny, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night: Mostly clear, with a low around 63. West wind around 5 mph becoming calm after midnight.
Wednesday: Sunny, with a high near 86.
Wednesday Night: Mostly clear, with a low around 64.
Thursday: Sunny, with a high near 86.
Thursday Night: Mostly clear, with a low around 64.
Friday: Sunny, with a high near 87.
Friday Night: Mostly clear, with a low around 65.
Saturday: Sunny, with a high near 89.
Saturday Night: A slight chance of showers. Partly cloudy, with a low around 67.
Sunday: A slight chance of showers. Mostly sunny, with a high near 91.