The 10-day span for West Covina runs from a high near 31° on Saturday down to 15° overnight on Thursday. Roughly 0.39 in of rain falls over the period, with Sunday the most likely wet day (73%). The NWS alert board for this area is currently clear. Right now West Covina is running about 47° warmer than Oxnard. Longer view: Mediterranean pattern — nearly all rain lands November through March.
West Covina, CA · Elev 384 ft · 34.07°N, 117.94°W · California · Forecast computed for these exact coordinates