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Pinon Hills Forecast Summary
Currently in Pinon Hills
Temperature, Humidity, Wind & Pressure
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Data captured from a Peet Bros. Ultimeter 2100
Local Weather Roundup
Pinon Hills Forecast
Sunday, March 15, 2026
 Forecast not current
High pressure off the coast will continue to pass over the region and strengthen through the week, bringing a long-duration and early season heat wave. Temperatures will up to 30 degrees above normal for this time of year, potentially record breaking, and leading to moderate to high heat risk. High pressure will begin to weaken by next weekend, allowing for a gradual cooling trend. Today: Sunny. Light breezes , high near 76°F . Pollen level is rated "medium-high". Predicted air quality is good, AQI: 44 (for the Central San Bernardino Valley courtesy of the SCAQMD). Tonight: Mostly clear. Light breezes, low around 59°F. Monday: Sunny. Light breezes, high of about 78°F. Monday night:Mostly clear. Light breezes, low near 61°F. Tuesday: Sunny and warm. Light breezes, high around 84°F. Tuesday night: Mostly clear, low of about 64°F. Wednesday: Sunny and warm, high near 87°F. Wednesday night: Partly cloudy, low around 66°F. Thursday: Sunny and warm, high of about 89°F. Thursday night: Clear, low near 67°F. Friday: Sunny and very warm, high around 90°F. Friday night: Clear, low of about 66°F. Saturday: Mostly sunny and warm, high near 87°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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Record-breaking March heat wave will peak Thursday-Friday
As an unusually intense area of high pressure sits over the Western U.S., t ... Posted March 19, 2026, 2:27 PMOther Weather Information
National Weather Service
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