Rancho Cucamonga, California | 10-Day Weather Forecasts & Weekend Weather | WeatherBug
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10 Day Forecast
  • Forecast night icon
    Night
    Drizzle
    52°
    Friday 5/3
    Forecast night icon
    52°
    Drizzle
    Hourly
    Night Details
    Partly cloudy. Patchy drizzle overnight. Patchy fog overnight. Lows 47 to 54. Areas of winds west 10 to 15 mph with gusts to 25 mph this evening becoming light.
  • Forecast day icon
    Saturday
    Drizzle
    64°
    Forecast night icon
    Night
    50% Chance of Rain
    49°
    Saturday 5/4
    Day
    64°
    Drizzle
    Forecast day icon
    Night
    49°
    50% Chance of Rain
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy. Patchy drizzle in the morning. Patchy fog in the morning. Highs 69 to 74. Areas of winds southwest to 10 mph. . . Becoming 10 to 20 mph with gusts to 30 mph in the afternoon.
    Night Details
    Partly cloudy with a slight chance of rain in the evening then cloudy with a chance of rain overnight. Patchy fog overnight. Colder. Lows 39 to 49. Areas of winds southwest 10 to 20 mph with gusts to 30 mph. Chance of measurable precipitation 50 percent.
  • Forecast day icon
    Sunday
    Partly Cloudy
    59°
    Forecast night icon
    Night
    Mostly Clear
    44°
    Sunday 5/5
    Day
    59°
    Partly Cloudy
    Forecast day icon
    Night
    44°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Patchy fog in the morning. Mostly cloudy with a slight chance of rain in the morning then partly cloudy in the afternoon. Highs 62 to 70. Areas of winds southwest 10 to 15 mph. Gusts to 25 mph. . . Becoming 30 mph in the afternoon. Chance of measurable precipitation 20 percent.
    Night Details
    Mostly clear. Lows 39 to 47. Areas of winds southwest 10 to 15 mph with gusts to 30 mph becoming south overnight.
  • Forecast day icon
    Monday
    Mostly Sunny
    68°
    Forecast night icon
    Night
    Mostly Clear
    47°
    Monday 5/6
    Day
    68°
    Mostly Sunny
    Forecast day icon
    Night
    47°
    Mostly Clear
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Warmer. Highs 73 to 77.
    Night Details
    Mostly clear. Lows 45 to 51.
  • Forecast day icon
    Tuesday
    Mostly Sunny
    69°
    Forecast night icon
    Night
    Partly Cloudy
    51°
    Tuesday 5/7
    Day
    69°
    Mostly Sunny
    Forecast day icon
    Night
    51°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Mostly sunny. Highs 74 to 79.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy. Lows 46 to 52.
  • Forecast day icon
    Wednesday
    Partly Cloudy
    74°
    Forecast night icon
    Night
    Partly Cloudy
    53°
    Wednesday 5/8
    Day
    74°
    Partly Cloudy
    Forecast day icon
    Night
    53°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning. . . Becoming mostly sunny. Highs 79 to 84.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy. Lows 49 to 55.
  • Forecast day icon
    Thursday
    Partly Cloudy
    74°
    Forecast night icon
    Night
    Partly Cloudy
    56°
    Thursday 5/9
    Day
    74°
    Partly Cloudy
    Forecast day icon
    Night
    56°
    Partly Cloudy
    Forecast night icon
    Hourly
    Day Details
    Partly cloudy in the morning. . . Becoming mostly sunny. Highs 81 to 86.
    Night Details
    Mostly clear in the evening. . . Becoming partly cloudy. Lows 51 to 57.
  • Forecast day icon
    Friday
    Partly Cloudy
    78°
    Forecast night icon
    Night
    Clear
    57°
    Friday 5/10
    Day
    78°
    Partly Cloudy
    Forecast day icon
    Night
    57°
    Clear
    Forecast night icon
    Day Details
    Partly cloudy in the morning. . . Becoming mostly sunny. Highs 83 to 87.
    Night Details
    Clear. Low temperature around 57F. Dew point will be around 48F with an average humidity of 61%. Winds will be 5 mph from the W.
  • Forecast day icon
    Saturday
    Sunny
    77°
    Forecast night icon
    Night
    Clear
    55°
    Saturday 5/11
    Day
    77°
    Sunny
    Forecast day icon
    Night
    55°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 77F. Dew point will be around 52F with an average humidity of 51%. Winds will be 5 mph from the W.
    Night Details
    Clear. Low temperature around 55F. Dew point will be around 49F with an average humidity of 65%. Winds will be 5 mph from the W.
  • Forecast day icon
    Sunday
    Sunny
    73°
    Forecast night icon
    Night
    Clear
    53°
    Sunday 5/12
    Day
    73°
    Sunny
    Forecast day icon
    Night
    53°
    Clear
    Forecast night icon
    Day Details
    Sunny. High temperature around 73F. Dew point will be around 52F with an average humidity of 59%. Winds will be 6 mph from the SW.
    Night Details
    Clear. Low temperature around 53F. Dew point will be around 50F with an average humidity of 73%. Winds will be 5 mph from the SW.