Local Forecast for Temecula, CA Currently 68.0°F HI: 84°F LO: 56°F Extended Forecast Overnight Patchy fog. Otherwise, mostly clear, with a low around 56. Calm wind. Thursday Patchy fog before noon. Otherwise, partly sunny, then gradually becoming sunny, with a high near 84. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Thursday Night Clear, with a low around 55. Southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Friday Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Friday Night Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming light south after midnight. Saturday Sunny, with a high near 81. Saturday Night Patchy fog after midnight. Otherwise, partly cloudy, with a low around 56. Sunday Patchy fog before noon. Otherwise, partly sunny, then gradually becoming sunny, with a high near 82. Sunday Night Patchy fog after midnight. Otherwise, increasing clouds, with a low around 57. Monday Patchy fog before noon. Otherwise, partly sunny, then gradually becoming sunny, with a high near 81. Monday Night Clear, with a low around 58. Tuesday Sunny, with a high near 83. Tuesday Night Clear, with a low around 59.