Roseville Weather Forecast

    • 68
    • 82

    Rain Showers

    • 64
    • 84

    Rain Showers Likely

    • 50
    • 75

    Mostly Sunny

    • 55
    • 77

    Mostly Sunny

    • 61
    • 82

    Partly Sunny

    • 63
    • 85

    Partly Sunny

    • 60
    • 83

    Chance Rain Showers

Today 12 Sep Lancaster

Mostly cloudy. Near steady temperature around 80. Southeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 12 Sep Lancaster

A chance of Thunderstorms. A slight chance of Showers this Evening, then Showers after midnight. Some Thunderstorms may produce heavy rainfall. Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Roseville Temperature Statistics

September Temperature

Lancaster, Lancaster Airport (2.5 miles)

  • Lowest 8 September, 2026

    54 °F

  • Average September

    73 °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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