Rancho Cucamonga, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Mostly Clear
    47°
    Sunday 5/5
    Forecast night icon
    47°
    Mostly Clear
    Hourly
    Night Details
    Mostly clear. Colder. Lows 38 to 47. Areas of winds southwest 10 to 15 mph with gusts to 25 mph becoming southeast overnight.
  • Forecast day icon
    Monday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Mostly Clear
    51°
    Monday 5/6
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Warmer. Highs 73 to 76. Light winds becoming west 10 to 15 mph with gusts to 25 mph in the afternoon.
    Night Details
    Mostly clear. Lows 45 to 51. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    Mostly Clear
    50°
    Tuesday 5/7
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs 74 to 78. Areas of winds west to 10 mph. . . Becoming 10 to 15 mph with gusts to 25 mph in the afternoon.
    Night Details
    Mostly clear. Lows 46 to 53. Areas of winds southwest 10 to 15 mph with gusts to 25 mph in the evening becoming light.
  • Forecast day icon
    Wednesday
    Mostly Sunny
    73°
    Forecast night icon
    Night
    Mostly Clear
    50°
    Wednesday 5/8
    Day
    73°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs 78 to 82.
    Night Details
    Mostly clear. Lows 48 to 54.
  • Forecast day icon
    Thursday
    Mostly Sunny
    73°
    Forecast night icon
    Night
    Mostly Clear
    50°
    Thursday 5/9
    Day
    73°
    Mostly Sunny
    Forecast day icon
    Night
    50°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs 78 to 82.
    Night Details
    Mostly clear. Lows 48 to 54.
  • Forecast day icon
    Friday
    Mostly Sunny
    77°
    Forecast night icon
    Night
    Mostly Clear
    53°
    Friday 5/10
    Day
    77°
    Mostly Sunny
    Forecast day icon
    Night
    53°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs 79 to 83.
    Night Details
    Mostly clear. Lows 49 to 55.
  • Forecast day icon
    Saturday
    Mostly Sunny
    84°
    Forecast night icon
    Night
    Mostly Clear
    52°
    Saturday 5/11
    Day
    84°
    Mostly Sunny
    Forecast day icon
    Night
    52°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs 79 to 83.
    Night Details
    Mostly clear. Lows 49 to 55.
  • Forecast day icon
    Sunday
    Partly Cloudy
    73°
    Forecast night icon
    Night
    Clear
    52°
    Sunday 5/12
    Day
    73°
    Partly Cloudy
    Forecast day icon
    Night
    52°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy with patchy fog in the morning. . . Becoming mostly sunny. Highs 76 to 81.
    Night Details
    Clear. Low temperature around 52F. Dew point will be around 53F with an average humidity of 84%. Winds will be 4 mph from the SW.
  • Forecast day icon
    Monday
    Sunny
    70°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Monday 5/13
    Day
    70°
    Sunny
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Day Details
    Sunny. High temperature around 70F. Dew point will be around 54F with an average humidity of 73%. Winds will be 6 mph from the SW.
    Night Details
    Partly cloudy. Low temperature around 51F. Dew point will be around 53F with an average humidity of 86%. Winds will be 5 mph from the SW.
  • Forecast day icon
    Tuesday
    Mostly Cloudy
    69°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Tuesday 5/14
    Day
    69°
    Mostly Cloudy
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Day Details
    Mostly cloudy. High temperature around 69F. Dew point will be around 53F with an average humidity of 74%. Winds will be 6 mph from the SW.
    Night Details
    Partly cloudy. Low temperature around 51F. Dew point will be around 52F with an average humidity of 87%. Winds will be 5 mph from the SW.