Fallbrook High School, CA 7-Day Night Weather Forecast
Quick Weather Clicks
Sun & Moon
Weather Quote O' the Day


Fallbrook High School, CA Weather Forecast


Fallbrook High School, CA Weather Forecast Date: 1146 AM PDT Wed Aug 19 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.
Tonight... Mostly clear this evening...Becoming partly cloudy. Patchy fog overnight. Lows 66 to 71. Light winds.
Thursday... Partly cloudy in the morning...Becoming mostly sunny. Highs 86 to 91 in the western valleys to 94 to 99 near the foothills. Areas of winds west to 10 mph.
Thursday Night... Mostly clear in the evening...Becoming partly cloudy. Lows 66 to 71. Light winds.
Friday... Partly cloudy with patchy fog in the morning...Becoming mostly sunny. Highs 87 to 92 in the western valleys to 93 to 98 near the foothills. Light winds becoming west 10 mph in the afternoon.
Friday Night... Mostly clear. Lows 65 to 70. Areas of winds west to 10 mph in the evening becoming light.
Saturday... Partly cloudy in the morning...Becoming mostly sunny. Highs 87 to 92 in the western valleys to 94 to 99 near the foothills.
Saturday Night... Mostly clear. Lows 66 to 71.
Sunday... Partly cloudy in the morning...Becoming mostly sunny. Highs 87 to 92 in the western valleys to 92 to 97 near the foothills.
Sunday Night... Mostly clear. A slight chance of showers overnight. Lows 66 to 71.
Monday... Partly cloudy in the morning...Becoming mostly sunny. A slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs 87 to 92 in the western valleys to 92 to 97 near the foothills.
Monday Night... Mostly clear. A slight chance of showers in the evening. Lows 66 to 71.
Tuesday... Partly cloudy in the morning...Becoming mostly sunny. Highs 88 to 93 in the western valleys to 93 to 98 near the foothills.
Tuesday Night... Mostly clear. Lows 67 to 72.
Weather World