The 10-day span for Rialto runs from a high near 108° on Saturday down to 62° overnight on Saturday. Essentially no rain is in the forecast — expect a dry stretch. No watches or warnings are active for the area right now. Right now Rialto is about 9° cooler than nearby San Diego. Longer view: Mediterranean pattern — nearly all rain lands November through March.
Rialto, CA · Elev 1,257 ft · 34.11°N, 117.37°W · California · Forecast computed for these exact coordinates