Pinon Hills Forecast Summary
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Data captured from a Peet Bros. Ultimeter 2100
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Pinon Hills Forecast
Wednesday, May 21, 2025
![]() A heat wave is expected to peak today for the coast and valleys with high temperatures ten to fifteen degrees above average. Gradual cooling will follow Thursday through Saturday, with night and morning low clouds spreading inland in some locations. Sunday will be a little warmer, then gradual cooling will resume into the middle of next week. Today: Sunny and warm. Light breezes , high near 87°F . Pollen level is rated "medium". Predicted air quality is unhealthy for sensitive groups, AQI: 143 (for the Central San Bernardino Valley courtesy of the SCAQMD). Tonight: Mostly clear and breezy, low around 60°F. Thursday: Sunny. Warm and breezy, high of about 87°F. Thursday night:Mostly clear and breezy, low near 56°F. Friday: Sunny. Warm and breezy, high around 82°F. Friday night: Mostly clear, low of about 53°F. Saturday: Sunny and warm, high near 81°F. Saturday night: Clear, low around 57°F. Sunday: Sunny and warm, high of about 85°F. Sunday night: Clear, low near 59°F. Monday: Sunny and warm, high around 84°F. Monday night: Mostly clear, low of about 57°F. Tuesday: Sunny and warm, high near 82°F. Pinon Hills forecast updated daily. Based on data from the National Weather Service, San Diego office and from WeatherCurrents.Recently in
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Temperatures soar Friday and Saturday into triple-digits inland
A strong upper-level ridge brought dangerously hot conditions to much of So ... Posted May 10, 2025, 8:39 PMOther Weather Information
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