Weather WorldEl Cajon Valley High School, CA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
El Cajon Valley High School, CA Weather Forecast
El Cajon Valley High School, CA Weather Forecast Date: 102 AM PDT Mon Aug 10 2026
The area/counties/county of: San Diego County Valleys, including the cities of: Escondido, El Cajon, San Marcos, La Mesa, Santee, and Poway.or toggle through each period.
Today... Mostly sunny this morning, then partly cloudy with a slight chance of showers and thunderstorms this afternoon. Highs 84 to 88 in the western valleys to 88 to 93 near the foothills. Areas of winds west to 10 mph. Chance of measurable precipitation 20%.
Tonight... Mostly clear in the evening...Becoming partly cloudy overnight with patchy fog. Lows 63 to 67. Areas of winds west to 10 mph in the evening becoming light.
Tuesday... Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs 83 to 87 in the western valleys to 86 to 91 near the foothills. Areas of winds west to 10 mph...Becoming 10 to 15 mph in the afternoon. Chance of measurable precipitation 20%.
Tuesday Night... Mostly clear. Lows 61 to 66. Areas of winds west to 10 mph in the evening becoming light.
Wednesday... Partly cloudy with patchy fog in the morning... Becoming mostly sunny. Highs 81 to 85 in the western valleys to 83 to 88 near the foothills. Areas of winds west to 10 mph.
Wednesday Night... Mostly clear in the evening...Becoming partly cloudy overnight with patchy fog. Lows 59 to 64.
Thursday... Mostly cloudy with patchy fog in the morning... Becoming partly cloudy. Highs 79 to 83 in the western valleys to 81 to 86 near the foothills.
Thursday Night... Partly cloudy. Lows 57 to 62.
Friday... Mostly cloudy in the morning...Becoming partly cloudy. Highs 78 to 82 in the western valleys to 81 to 86 near the foothills.
Friday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 58 to 63.
Saturday... Mostly cloudy in the morning...Becoming partly cloudy. Highs 79 to 83 in the western valleys to 82 to 87 near the foothills.
Saturday Night... Partly cloudy. Lows 59 to 64.
POP = Probability of Precipitation
El Cajon Valley High School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...