Local Forecast for Riverside, CA Currently 65.0°F HI: 76.0°F LO: 56.0°F Extended Forecast Tonight Partly cloudy, with a low around 56. Southeast wind around 10 mph. Tuesday A chance of showers after 4pm. Mostly sunny, with a high near 76. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible. Tuesday Night Showers, with thunderstorms also possible after 4am. Low around 52. East wind around 5 mph becoming south in the evening. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Wednesday Showers and possibly a thunderstorm. High near 60. South wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. Wednesday Night Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms. Thursday A chance of showers. Mostly sunny, with a high near 63. Chance of precipitation is 40%. Thursday Night Partly cloudy, with a low around 48. Friday Sunny, with a high near 68. Friday Night Mostly clear, with a low around 48. Saturday Mostly sunny, with a high near 71. Saturday Night Partly cloudy, with a low around 49. Sunday Mostly sunny, with a high near 73. Sunday Night Partly cloudy, with a low around 48.