Pinon Hills Forecast Summary
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Data captured from a Peet Bros. Ultimeter 2100
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Pinon Hills Forecast
Sunday, July 13, 2025
![]() Temperatures will run a little warmer inland for today and Monday under generally sunny skies. Gradual cooling will follow for the middle to the end of the week. While chances are still low, chances are increasing for monsoonal thunderstorms over the mountains late in the week. Marine layer will continue to spread across the coastal areas and into the western valleys during nights and mornings. Today: Sunny and hot. Light breezes , high near 98°F . Pollen level is rated "low". Predicted air quality is unhealthy for sensitive groups, AQI: 118 (for the Central San Bernardino Valley courtesy of the SCAQMD). Tonight: Clear and breezy, low around 74°F. Monday: Sunny and hot. Light breezes, high of about 103°F. Monday night:Clear and breezy, low near 70°F. Tuesday: Sunny. Very warm and breezy, high around 96°F. Tuesday night: Clear, low of about 65°F. Wednesday: Sunny and very warm, high near 93°F. Wednesday night: Mostly clear, low around 64°F. Thursday: Sunny and very warm, high of about 94°F. Thursday night: Clear, low near 66°F. Friday: Sunny and very warm, high around 94°F. Friday night: Mostly clear, low of about 69°F. Saturday: Sunny and very warm, high near 95°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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