National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

LYTLE CREEK (LTLC1)

Lat: 34.23389°NLon: 117.48028°WElev: 2792.0ft.

NA

87°F

31°C

Humidity 37%
Wind Speed E 1 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Heat Index86°F (30°C)
Last update 18 Jul 04:15 PM PDT
Extended Forecast for

5 Miles NNE Rancho Cucamonga CA

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms. Partly sunny, with a high near 81. Southwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 81 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 65. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 62. Southwest wind 5 to 10 mph becoming light after midnight.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms. Partly sunny, with a high near 81. Southwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Tonight
A slight chance of showers and thunderstorms before 11pm. Mostly clear, with a low around 65. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Clear, with a low around 62. Southwest wind 5 to 10 mph becoming light after midnight.
Sunday
Sunny, with a high near 81. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Rancho Cucamonga CA
 34.18°N 117.53°W (Elev. 2690 ft)
Last Update:
2:12 pm PDT Jul 18, 2025
Forecast Valid:
4pm PDT Jul 18, 2025-6pm PDT Jul 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation