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

50°F

10°C

Humidity 62%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 19 Apr 07:15 AM PDT
Extended Forecast for

5 Miles NNE Rancho Cucamonga CA

  • Today

    Today: Mostly sunny, with a high near 75. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 75 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 51. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of showers after 11am. Increasing clouds, with a high near 65. Light southwest wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 50. Breezy. Chance of precipitation is 70%.

    Low: 50 °F

    Breezy.
    Showers
    Likely then
    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 62. Windy.

    High: 62 °F

    Mostly Sunny
    and Windy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. Windy.

    Low: 50 °F

    Partly Cloudy
    and Windy
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 68. Breezy.

    High: 68 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
Mostly sunny, with a high near 75. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 54. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 73. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 51. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Tuesday
A chance of showers after 11am. Increasing clouds, with a high near 65. Light southwest wind increasing to 15 to 20 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 50. Breezy. Chance of precipitation is 70%.
Wednesday
Mostly sunny, with a high near 62. Windy.
Wednesday Night
Partly cloudy, with a low around 50. Windy.
Thursday
Sunny, with a high near 68. Breezy.
Thursday Night
Partly cloudy, with a low around 53. Breezy.
Friday
Mostly sunny, with a high near 69. Breezy.
Friday Night
Partly cloudy, with a low around 54. Breezy.
Saturday
Partly sunny, with a high near 64. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Rancho Cucamonga CA
 34.18°N 117.53°W (Elev. 2690 ft)
Last Update:
1:07 am PDT Apr 19, 2026
Forecast Valid:
8am PDT Apr 19, 2026-6pm PDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation