Roseville Weather Forecast

    • 50
    • 70

    Rain Showers

    • 49
    • 66

    Slight Chance Rain Showers

    • 48
    • 65

    Partly Sunny

    • 50
    • 67

    Slight Chance Rain Showers

    • 50
    • 67

    Partly Sunny

    • 51
    • 71

    Partly Sunny

Today 22 Sep Lancaster

Showers, mainly in the morning. Highs around 70. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 22 Sep Lancaster

Mostly cloudy with a 50 percent chance of Showers. Lows around 50. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Roseville Temperature Statistics

September Temperature

Lancaster, Lancaster Airport (2.5 miles)

  • Lowest 15 September, 2026

    48 °F

  • Average September

    71.4 °F

  • Highest 1 September, 2026

    89.1 °F

Climate (2021–2026)

Lancaster, Lancaster Airport (2.5 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.1 °F
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