Rancho Cucamonga, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast day icon
    Friday
    Mostly Sunny
    75°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Friday 5/10
    Day
    75°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs 79 to 84. Light winds becoming west 10 to 20 mph with gusts to 30 mph this afternoon.
    Night Details
    Partly cloudy. Patchy fog overnight. Lows 48 to 54. Areas of winds west 10 to 15 mph with gusts to 30 mph in the evening becoming light.
  • Forecast day icon
    Saturday
    Mostly Sunny
    77°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Saturday 5/11
    Day
    77°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Mostly sunny. Highs 80 to 85. Areas of winds west to 10 mph. . . Becoming 10 to 15 mph with gusts to 30 mph in the afternoon.
    Night Details
    Mostly clear. Lows 50 to 56. Areas of winds west 10 to 15 mph with gusts to 30 mph in the evening becoming light.
  • Forecast day icon
    Sunday
    Mostly Sunny
    77°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Sunday 5/12
    Day
    77°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs 82 to 86. Areas of winds west to 10 mph. . . Becoming 10 to 15 mph with gusts to 30 mph in the afternoon.
    Night Details
    Mostly clear. Lows 53 to 58.
  • Forecast day icon
    Monday
    Partly Cloudy
    75°
    Forecast night icon
    Night
    Partly Cloudy
    52°
    Monday 5/13
    Day
    75°
    Partly Cloudy
    Forecast day icon
    Night
    52°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 80 to 85.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 50 to 56.
  • Forecast day icon
    Tuesday
    Partly Cloudy
    71°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Tuesday 5/14
    Day
    71°
    Partly Cloudy
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 77 to 83.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 49 to 55.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    72°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Wednesday 5/15
    Day
    72°
    Partly Cloudy
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 77 to 84.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy overnight with patchy fog. Lows 50 to 56.
  • Forecast day icon
    Thursday
    Partly Cloudy
    78°
    Forecast night icon
    Night
    Clear
    54°
    Thursday 5/16
    Day
    78°
    Partly Cloudy
    Forecast day icon
    Night
    54°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 80 to 87.
    Night Details
    Clear. Low temperature around 54F. Dew point will be around 54F with an average humidity of 84%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Friday
    Sunny
    80°
    Forecast night icon
    Night
    Clear
    56°
    Friday 5/17
    Day
    80°
    Sunny
    Forecast day icon
    Night
    56°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 80F. Dew point will be around 59F with an average humidity of 69%. Winds will be 8 mph from the SW.
    Night Details
    Clear. Low temperature around 56F. Dew point will be around 57F with an average humidity of 82%. Winds will be 6 mph from the W.
  • Forecast day icon
    Saturday
    Sunny
    79°
    Forecast night icon
    Night
    Clear
    55°
    Saturday 5/18
    Day
    79°
    Sunny
    Forecast day icon
    Night
    55°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 79F. Dew point will be around 59F with an average humidity of 67%. Winds will be 8 mph from the SW.
    Night Details
    Clear. Low temperature around 55F. Dew point will be around 56F with an average humidity of 83%. Winds will be 6 mph from the SW.
  • Forecast day icon
    Sunday
    Sunny
    75°
    Forecast night icon
    Night
    Clear
    53°
    Sunday 5/19
    Day
    75°
    Sunny
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 75F. Dew point will be around 57F with an average humidity of 70%. Winds will be 9 mph from the SW.
    Night Details
    Clear. Low temperature around 53F. Dew point will be around 54F with an average humidity of 86%. Winds will be 6 mph from the SW.