Forecast

    Forecast for Rialto, CA | Forecast Periods: 14
    Sunday
    Mar 15
    2026

    Rialto, CA

    Updated: 12:42 PM PDT

    90°F

    Sunny

    20 mph N
    Precipitation: 0%

    Sunny, with a high near 90. North wind around 20 mph, with gusts as high as 35 mph.

    Hourly Forecast

    SUN15:00
    88°F
    Sunny
    Dewpoint:3.3°Precip:0%Humidity:17%Wind:20 mph N
    SUN16:00
    89°F
    Sunny
    Dewpoint:2.8°Precip:0%Humidity:16%Wind:20 mph N
    MON17:00
    89°F
    Sunny
    Dewpoint:2.8°Precip:0%Humidity:16%Wind:20 mph N
    MON18:00
    86°F
    Mostly Clear
    Dewpoint:3.9°Precip:0%Humidity:19%Wind:15 mph N
    MON19:00
    82°F
    Mostly Clear
    Dewpoint:4.4°Precip:0%Humidity:22%Wind:15 mph N
    MON20:00
    78°F
    Mostly Clear
    Dewpoint:4.4°Precip:0%Humidity:25%Wind:15 mph N
    MON21:00
    76°F
    Mostly Clear
    Dewpoint:3.9°Precip:0%Humidity:26%Wind:15 mph N
    MON22:00
    73°F
    Mostly Clear
    Dewpoint:3.3°Precip:0%Humidity:29%Wind:10 mph N
    MON23:00
    70°F
    Mostly Clear
    Dewpoint:3.3°Precip:0%Humidity:30%Wind:10 mph N
    MON00:00
    69°F
    Mostly Clear
    Dewpoint:2.2°Precip:0%Humidity:30%Wind:10 mph N
    MON01:00
    68°F
    Mostly Clear
    Dewpoint:1.7°Precip:0%Humidity:30%Wind:15 mph N
    MON02:00
    67°F
    Mostly Clear
    Dewpoint:1.7°Precip:0%Humidity:30%Wind:15 mph N
    MON03:00
    66°F
    Mostly Clear
    Dewpoint:1.7°Precip:0%Humidity:31%Wind:15 mph N
    MON04:00
    67°F
    Mostly Clear
    Dewpoint:1.1°Precip:0%Humidity:29%Wind:15 mph N
    MON05:00
    67°F
    Mostly Clear
    Dewpoint:0.6°Precip:0%Humidity:28%Wind:15 mph N
    MON06:00
    67°F
    Sunny
    Dewpoint:Precip:0%Humidity:28%Wind:15 mph N
    MON07:00
    67°F
    Sunny
    Dewpoint:0.6°Precip:0%Humidity:28%Wind:15 mph N
    MON08:00
    70°F
    Sunny
    Dewpoint:1.1°Precip:0%Humidity:27%Wind:15 mph N
    MON09:00
    75°F
    Sunny
    Dewpoint:2.2°Precip:0%Humidity:24%Wind:15 mph N
    MON10:00
    80°F
    Sunny
    Dewpoint:1.7°Precip:0%Humidity:20%Wind:15 mph N
    MON11:00
    84°F
    Sunny
    Dewpoint:1.1°Precip:0%Humidity:17%Wind:15 mph N
    MON12:00
    86°F
    Sunny
    Dewpoint:1.1°Precip:0%Humidity:16%Wind:20 mph N
    MON13:00
    88°F
    Sunny
    Dewpoint:1.1°Precip:0%Humidity:15%Wind:20 mph N
    MON14:00
    90°F
    Sunny
    Dewpoint:1.7°Precip:0%Humidity:14%Wind:20 mph N

    Extended Forecast

    Tonight

    Mon, Mar 16
    63°F
    Mostly Clear
    10 mph N
    Precipitation: 0%
    Mostly clear, with a low around 63. North wind 10 to 15 mph, with gusts as high as 30 mph.

    Monday

    Mon, Mar 16
    94°F
    Sunny
    15 mph N
    Precipitation: 0%
    Sunny, with a high near 94. North wind 15 to 20 mph, with gusts as high as 30 mph.

    Monday Night

    Tue, Mar 17
    66°F
    Mostly Clear
    5 mph N
    Precipitation: 0%
    Mostly clear, with a low around 66. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Tuesday

    Tue, Mar 17
    99°F
    Sunny
    5 mph N
    Precipitation: 0%
    Sunny, with a high near 99. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Tuesday Night

    Wed, Mar 18
    67°F
    Mostly Clear
    0 mph E
    Precipitation: 0%
    Mostly clear, with a low around 67.

    Wednesday

    Wed, Mar 18
    100°F
    Sunny
    0 mph W
    Precipitation: 0%
    Sunny, with a high near 100.

    Wednesday Night

    Thu, Mar 19
    68°F
    Mostly Clear
    0 mph N
    Precipitation: 0%
    Mostly clear, with a low around 68.

    Thursday

    Thu, Mar 19
    102°F
    Sunny
    0 mph SW
    Precipitation: 0%
    Sunny, with a high near 102.

    Thursday Night

    Fri, Mar 20
    70°F
    Clear
    5 mph NW
    Precipitation: 0%
    Clear, with a low around 70.

    Friday

    Fri, Mar 20
    103°F
    Sunny
    0 mph SW
    Precipitation: 0%
    Sunny, with a high near 103.

    Friday Night

    Sat, Mar 21
    70°F
    Mostly Clear
    0 mph N
    Precipitation: 0%
    Mostly clear, with a low around 70.

    Saturday

    Sat, Mar 21
    98°F
    Sunny
    0 mph SW
    Precipitation: 0%
    Sunny, with a high near 98.

    Saturday Night

    Sun, Mar 22
    66°F
    Partly Cloudy
    5 mph SW
    Precipitation: 0%
    Partly cloudy, with a low around 66.

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