Roseville Weather Forecast

    • 59
    • 78

    Mostly Cloudy

    • 61
    • 68

    Rain Likely

    • 59
    • 82

    Partly Sunny

    • 56
    • 85

    Mostly Sunny

    • 56
    • 79

    Partly Sunny

    • 56
    • 78

    Mostly Cloudy

Today 16 Sep Lancaster

Mostly cloudy. Highs in the upper 70s. Northeast Winds 10 to 15 Mph.

Tonight 16 Sep Lancaster

Mostly cloudy with a 50 percent chance of light rain. Lows in the upper 50s. Northeast Winds 5 to 10 Mph with Gusts up to 20 Mph.

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Roseville Temperature Statistics

September Temperature

Lancaster, Lancaster Airport (2.5 miles)

  • Lowest 8 September, 2025

    48 °F

  • Average September

    67.1 °F

  • Highest 4 September, 2025

    82 °F

Climate (2020–Present)

Lancaster, Lancaster Airport (2.5 miles)

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  • Average Low 2020–2025

    46.3 °F

  • Average 2020–2025

    55.9 °F

  • Average High 2020–2025

    65.6 °F
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