Local Forecast for Riverside, CA Currently 64.0°F HI: 82.0°F LO: 60.0°F Extended Forecast Overnight Mostly clear, with a low around 60. Calm wind becoming east around 5 mph. Thursday Partly sunny, then gradually becoming sunny, with a high near 82. Southeast wind 5 to 10 mph becoming west in the morning. Winds could gust as high as 20 mph. Thursday Night Mostly clear, with a low around 61. West wind around 5 mph becoming calm in the evening. Friday Sunny, with a high near 88. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Friday Night Clear, with a low around 61. West wind around 5 mph becoming calm after midnight. Saturday Sunny, with a high near 91. Saturday Night Mostly clear, with a low around 63. Sunday Sunny, with a high near 93. Sunday Night Mostly clear, with a low around 62. Monday Sunny, with a high near 85. Monday Night Partly cloudy, with a low around 61. Tuesday Mostly sunny, with a high near 88. Tuesday Night Partly cloudy, with a low around 63.