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Temecula Forecast Summary
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Data captured from a Peet Bros. Ultimeter 2100
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Temecula Forecast
Sunday, June 21, 2026
Expect below average but warm temperatures this weekend, with marine layer reaching into portions of the valleys. For the first half of the week, a warming trend is predicted, bringing daytime temperatures up to near seasonal norms. Morning low clouds and fog will retreat to the coast. Gradual cooling is forecast for the second half of the week. Today: Low clouds early, becoming sunny and warm. Afternoon breezes , high near 80°F . Pollen level is rated "low-medium". Predicted air quality is good, AQI: 39 (courtesy of the SCAQMD). Tonight: Increasing clouds. Evening breezes, low around 54°F. Monday: Low clouds and fog early, becoming sunny and warm. Afternoon breezes, high of about 83°F. Monday night:Mostly clear. Evening breezes, low near 56°F. Tuesday: Sunny and warm, high around 86°F. Tuesday night: Mostly clear, low of about 60°F. Wednesday: Sunny and warm, high near 89°F. Wednesday night: Mostly clear, low around 64°F. Thursday: Sunny and very warm, high of about 91°F. Thursday night: Mostly clear, low near 61°F. Friday: Sunny and very warm, high around 90°F. Friday night: Mostly clear, low of about 56°F. Saturday: Sunny and warm, high near 83°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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Temecula
Featured Photos
Dark Skies: A thunderstorm on approach to the Temecula Valley Wine Country. Photo courtesy of Kim Yarger.
Temecula
Weather News
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National Weather Service
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