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

Motte Rimrock Reserve (UCNRS) (UCMO)

Lat: 33.80472°NLon: 117.25556°WElev: 1901.0ft.

NA

80°F

27°C

Humidity 26%
Wind Speed WNW 10 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Heat Index79°F (26°C)
Last update 05 Sep 07:30 PM PDT
Extended Forecast for

Perris CA

  • Tonight

    Tonight: A slight chance of showers after 11pm. Increasing clouds, with a low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly before 11am. Cloudy, with a high near 85. North wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 85 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Calm wind becoming north around 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Mostly sunny, with a high near 94. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. Northwest wind around 5 mph becoming calm after midnight.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 97.

    High: 97 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 100.

    High: 100 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers after 11pm. Increasing clouds, with a low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Showers likely, mainly before 11am. Cloudy, with a high near 85. North wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Partly cloudy, with a low around 69. Calm wind becoming north around 5 mph.
Labor Day
Mostly sunny, with a high near 94. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 70. Northwest wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 97.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Sunny, with a high near 100.
Wednesday Night
Mostly clear, with a low around 72.
Thursday
Sunny, with a high near 99.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 96.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Perris CA
 33.76°N 117.22°W (Elev. 1404 ft)
Last Update:
1:35 pm PDT Sep 5, 2026
Forecast Valid:
7pm PDT Sep 5, 2026-6pm PDT Sep 12, 2026
 
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