, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      Sep 26

      97° /69°F
      Sunshine and hot
      • Very Good
      • for an outdoor bbq
      • Precip: 5%
      • Hi RealFeel: 96°
      • Wind Speed: 13 mph
    • Tue

      Sep 27

      97° /65°
      Partly sunny, breezy and hot
      • Excellent
      • for an outdoor bbq
      • Precip: 25%
      • Hi RealFeel: 95°
      • Wind Speed: 16 mph
      More
    • Wed

      Sep 28

      89° /62°
      Partly sunny
      • Excellent
      • for an outdoor bbq
      • Precip: 7%
      • Hi RealFeel: 93°
      • Wind Speed: 6 mph
      More
    • Thu

      Sep 29

      91° /62°
      Sunny and very warm
      • Excellent
      • for an outdoor bbq
      • Precip: 2%
      • Hi RealFeel: 95°
      • Wind Speed: 6 mph
      More
    • Fri

      Sep 30

      88° /59°
      Plenty of sunshine
      • Excellent
      • for an outdoor bbq
      • Precip: 1%
      • Hi RealFeel: 92°
      • Wind Speed: 6 mph
      More

    Day

    97°Hi RealFeel® 96° Precipitation 5%
    Sunshine and hot; breezy this afternoon; excessive dry weather will result in a high fire threat
    • NE 13 mph
    • Gusts: 30 mph
    • Max UV Index: 7 (High)
    • Thunderstorms: 4%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    69°Lo RealFeel® 67° Precipitation 9%
    Mainly clear
    • NNE 4 mph
    • Gusts: 18 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/26/2015
    High 97° 86° 107° (2010) 99°
    Low 69° 60° 51° (1981) 71°

    Sunrise/Sunset

    • Sunrise: 6:42 AM
    • Sunset: 6:40 PM
    • Duration: 11:58 hr

    Moonrise/Moonset

    • Moonrise: 2:37 AM
    • Moonset: 4:21 PM
    • Duration: 13:44 hr
    Astronomy

    Rancho Cucamonga Weather Report

    Santa Ana winds, heat to raise wildfire threat across Southern California through Monday

    September 26, 2016; 2:47 AM ET

    Hot, dry and windy weather into Monday night will lead to an increased risk of wildfires across Southern California. More >

    Mon. Outdoor Entertaining

    Mon. Wind Maps

    Mon. UV Index