National Weather Service forecast

Diamond Bar, California Weather

53°Tonight: Mostly Clear
Wind NW 0 to 5 mph
7-DayHourlyRadar

Diamond Bar 7-Day Forecast

  1. Tonight
    53°F
    Mostly Clear

    Mostly clear, with a low around 53. Northwest wind 0 to 5 mph.

  2. Wednesday
    73°F
    Sunny

    Sunny, with a high near 73. South southwest wind 0 to 5 mph.

  3. Wednesday Night
    55°F
    Partly Cloudy

    Partly cloudy, with a low around 55. North wind 5 to 10 mph.

  4. Thursday
    77°F
    Mostly Sunny

    Mostly sunny, with a high near 77. North northeast wind 0 to 10 mph.

  5. Thursday Night
    56°F
    Mostly Clear

    Mostly clear, with a low around 56. North northwest wind 0 to 10 mph.

  6. Friday
    80°F
    Sunny

    Sunny, with a high near 80.

  7. Friday Night
    57°F
    Clear

    Clear, with a low around 57.

  8. Saturday
    80°F
    Sunny

    Sunny, with a high near 80.

  9. Saturday Night
    59°F
    Clear

    Clear, with a low around 59.

  10. Sunday
    83°F
    Sunny

    Sunny, with a high near 83.

  11. Sunday Night
    61°F
    Mostly Clear

    Mostly clear, with a low around 61.

  12. Monday
    82°F
    Sunny

    Sunny, with a high near 82.

  13. Monday Night
    60°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 60.

  14. Tuesday
    79°F
    Sunny
    2% chance of precipitation

    Sunny, with a high near 79.

Issued by the National Weather Service (LOX office), updated .

Diamond Bar Hourly Forecast

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Diamond Bar Weather Radar

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About Diamond Bar

Population (2020 Census)
55,072
Coordinates
34.002, -117.818
Elevation
1,014 ft
NWS forecast office
LOX
Time zone
America/Los Angeles
Sunrise today
6:12 AM PST
Sunset today
4:57 PM PST
Daylight today
10 h 44 min

Diamond Bar Weather Questions

What is the weather forecast for Diamond Bar, California?

Tonight: Mostly clear, with a low around 53. Northwest wind 0 to 5 mph. Wednesday: Sunny, with a high near 73. South southwest wind 0 to 5 mph.

Will it rain or snow in Diamond Bar this week?

Not much. The highest chance of precipitation in the 7-day forecast is 2%, Tuesday.

How warm and how cold will it get in Diamond Bar this week?

The warmest day is Sunday, with a high near 83°F. The coldest night is Tonight, with a low near 53°F.

What time are sunrise and sunset in Diamond Bar today?

Sunrise is at 6:12 AM PST and sunset is at 4:57 PM PST, for 10 h 44 min of daylight.

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