Upland Weather Forecast

    • 59
    • 90

    Increasing Clouds

    • 56
    • 81

    Mostly Cloudy

    • 56
    • 77

    Mostly Cloudy

    • 54
    • 74

    Partly Sunny

    • 52
    • 72

    Partly Sunny

    • 54
    • 77

    Mostly Sunny

Today 29 Mar San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy in the morning. Becoming mostly sunny. Highs 89 to 93. Light Winds becoming west 10 to 15 Mph with Gusts to 25 Mph in the afternoon.

Tonight 29 Mar San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear. Lows 51 to 55 in wind Sheltered Areas to 55 to 62 in warmer Locations. Areas of Winds west 10 to 15 Mph with Gusts to 25 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upland Temperature Statistics

March Temperature

Ontario International Airport (5 miles)

  • Lowest 6 March, 2026

    50.6 °F

  • Average March

    71.4 °F

  • Highest 19 March, 2026

    100.7 °F

Climate (2021–Present)

Ontario International Airport (5 miles)

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  • Average Low 2021–2026

    55.8 °F

  • Average 2021–2026

    67 °F

  • Average High 2021–2026

    79.4 °F
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