The 10-day span for Mentone runs from a high near 94° on Monday down to 49° overnight on Tuesday. Models drop roughly 1.3 in of precipitation across the stretch — watch Friday (90%). Wind is the one to watch: gusts to 58 mph around Friday. The NWS alert board for this area is currently clear. Right now Mentone is about 28° cooler than nearby Riverside. Longer view: Mediterranean pattern — nearly all rain lands November through March.
Mentone, CA · Elev 1,650 ft · 34.07°N, 117.13°W · California · Forecast computed for these exact coordinates