Temecula Forecast Summary
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Data captured from a Peet Bros. Ultimeter 2100
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Temecula Forecast
Monday, September 1, 2025
![]() Increasing monsoonal moisture is predicted tonight through Tuesday, with a chance of showers and isolated thunderstorms throughout the area. Widespread cloud cover will help keep temperatures closer to normal. By Wednesday, showers and thunderstorms will be confined to the mountains and deserts. A cooling trend will settle in by Thursday and last into the weekend as an area of low pressure moves closer to the region. Today: Sunny and hot. Afternoon breezes , high near 98°F . Pollen level is rated "medium-high". Predicted air quality is good, AQI: 46 (courtesy of the SCAQMD). Tonight: Partly cloudy. Light breezes. 20 percent chance of showers and thunderstorms after midnight, low around 69°F. Tuesday: Partly sunny and very warm. Light breezes. 40 percent chance of showers and thunderstorms, high of about 95°F. Tuesday night:Partly cloudy. Light breezes. 20 percent chance of showers and thunderstorms in the evening, low near 68°F. Wednesday: Mostly sunny and very warm. 20 percent chance of showers and thunderstorms in the afternoon, high around 95°F. Wednesday night: Mostly clear, low of about 66°F. Thursday: Sunny and very warm, high near 91°F. Thursday night: Mostly clear, low around 65°F. Friday: Sunny and warm, high of about 88°F. Friday night: Mostly clear, low near 63°F. Saturday: Sunny and warm, high around 87°F. Saturday night: Mostly clear, low of about 61°F. Sunday: Sunny and warm, high near 88°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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