Local Forecast for Riverside, CA Currently 64.0°F HI: 90.0°F LO: 62.0°F Extended Forecast Overnight Mostly clear, with a low around 62. Calm wind. Friday A slight chance of showers and thunderstorms after 11am. Widespread haze after 8am. Mostly sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 20%. Friday Night A slight chance of showers and thunderstorms before 11pm. Widespread haze before 8pm. Mostly clear, with a low around 62. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%. Saturday A slight chance of showers and thunderstorms after 11am. Sunny, with a high near 87. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 20%. Saturday Night A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 61. West wind 5 to 10 mph becoming light northwest in the evening. Chance of precipitation is 20%. Sunday Sunny, with a high near 83. Sunday Night Mostly clear, with a low around 58. Monday Sunny, with a high near 82. Monday Night Mostly clear, with a low around 57. Tuesday Sunny, with a high near 79. Tuesday Night Partly cloudy, with a low around 56. Wednesday Mostly sunny, with a high near 78. Wednesday Night Mostly clear, with a low around 55.