Temecula Forecast Summary
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Temecula Forecast
Sunday, September 7, 2025
![]() Expect mostly clear skies and very warm temperatures today in the region. There's a slight chance of mountain and desert slope showers and thunderstorms this afternoon. A pattern shift is set to occur on Monday, as an upper-level trough is predicted to develop in the northeast Pacific and stall out over California by the middle of the week. Expect breezy winds, significantly below average temperatures and a deeper marine layer. Temperatures will begin a rebound into next weekend. Today: Sunny and hot. Afternoon breezes , high near 97°F . Pollen level is rated "medium". Predicted air quality is good, AQI: 45 (courtesy of the SCAQMD). Tonight: Clear. Evening breezes, low around 62°F. Monday: Sunny and very warm. Afternoon breezes, high of about 90°F. Monday night:Mostly clear. Light breezes, low near 55°F. Tuesday: Sunny and warm. Afternoon breezes, high around 83°F. Tuesday night: Increasing clouds, low of about 55°F. Wednesday: Low clouds early, becoming sunny, high near 77°F. Wednesday night: Increasing clouds, then patchy fog developing, low around 53°F. Thursday: Low clouds and fog early, becoming sunny, high of about 78°F. Thursday night: Partly cloudy, then patchy fog developing, low near 53°F. Friday: Sunny and warm, high around 82°F. Friday night: Mostly clear, low of about 57°F. Saturday: Sunny and warm, high near 87°F. Temecula forecast updated daily. Based on data from the National Weather Service, San Diego office and from WeatherCurrents.Recently in
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Dark Skies: A thunderstorm on approach to the Temecula Valley Wine Country. Photo courtesy of Kim Yarger.
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