Weather World
Rio Vista Park, CA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Rio Vista Park, CA Weather Forecast
Rio Vista Park, CA Weather Forecast Date: 1222 PM PDT Mon Oct 05 2026
The area/counties/county of: San Bernardino And Riverside County Valleys, including the cities of: Riverside, San Bernardino, Ontario, Moreno Valley, Fontana, Rancho Cucamonga, and Corona.or toggle through each period.
Tonight... Mostly clear. Lows 67 to 73. Areas of winds east to 10 mph. Gusts to 25 mph this evening.
Tuesday... Mostly sunny. Hot. Highs 98 to 104. Areas of winds east to 10 mph becoming southwest with gusts to 25 mph in the afternoon.
Tuesday Night... Mostly clear. Lows 67 to 72. Areas of winds east to 10 mph. Gusts to 25 mph in the evening.
Wednesday... Mostly sunny. Hot. Highs 98 to 104. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.
Wednesday Night... Mostly clear. Lows 66 to 71. Areas of winds southwest to 10 mph in the evening becoming light.
Thursday... Mostly sunny. Hot. Highs 97 to 102.
Thursday Night... Clear. Lows 65 to 70.
Friday... Sunny, hot. Highs 95 to 100.
Friday Night... Mostly clear. Lows 64 to 69.
Saturday... Mostly sunny. Highs 88 to 93.
Saturday Night... Mostly clear. Lows 58 to 64.
Sunday... Partly cloudy in the morning...Becoming mostly sunny. A slight chance of showers. Highs 80 to 85.
Sunday Night... Partly cloudy with a slight chance of showers. Lows 53 to 59.
POP = Probability of Precipitation
Rio Vista Park Radar Loop
Use the map search tool if you want to place a location marker on the radar map...