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Temecula Forecast Summary
Currently in Temecula
Temperature, Humidity, Wind & Pressure
Sunrise & Sunset
Extreme Temperatures
Precipitation
Data captured from a Peet Bros. Ultimeter 2100
Local Weather Roundup
Temecula Forecast
Sunday, September 20, 2026
Temperatures will remain below normal through Wednesday, with a deep marine layer encroaching inland and perhaps morning drizzle early in the week. Warmer weather is expected to return for the end of the week as high pressure builds. Today: Low clouds early, becoming mostly sunny and warm. Afternoon breezes , high near 85°F . Pollen level is rated "medium". Predicted air quality is good, AQI: 44 (courtesy of the SCAQMD). Tonight: Mostly cloudy. Evening breezes, low around 60°F. Monday: Low clouds early, becoming sunny. Afternoon breezes, high of about 78°F. Monday night:Increasing clouds. Light breezes, low near 57°F. Tuesday: Low clouds early, becoming sunny. Afternoon breezes, high around 82°F. Tuesday night: Mostly clear. Light breezes, low of about 60°F. Wednesday: Sunny and very warm, high near 90°F. Wednesday night: Clear, low around 64°F. Thursday: Sunny and very warm, high of about 92°F. Thursday night: Mostly clear, low near 66°F. Friday: Sunny and very warm, high around 91°F. Friday night: Mostly clear, low of about 63°F. Saturday: Mostly sunny and very warm, high near 90°F. Temecula forecast updated daily. Based on data from the National Weather Service, San Diego office and from WeatherCurrents.Recently in
Temecula
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Temecula
Featured Photos
Dark Skies: A thunderstorm on approach to the Temecula Valley Wine Country. Photo courtesy of Kim Yarger.
Temecula
Weather News
Extreme heat returns to SoCal; Thunderstorms hit Temecula
Triple-digit heat has returned to the region Tuesday, prompting the Nationa ... Posted September 8, 2026, 9:26 PMOther Weather Information
National Weather Service
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