Lancaster Weather Forecast

    • 41
    • 63

    Becoming Sunny

    • 43
    • 66

    Mostly Sunny

    • 54
    • 71

    Chance Rain Showers

    • 56
    • 71

    Chance Rain Showers

    • 57
    • 78

    Partly Sunny

    • 55
    • 76

    Partly Sunny

    • 58
    • 76

    Partly Sunny

Today 6 Sep Grant

Partly sunny with isolated Showers. Near steady temperature in the lower 60s. West Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 6 Sep Grant

Partly cloudy with scattered rain Showers early this Evening, then mostly clear. Lows in the lower 40s. West Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lancaster Temperature Statistics

September Temperature

Platteville Municipal Airport (17.4 miles)

  • Lowest 4 September, 2025

    42.3 °F

  • Average September

    61.6 °F

  • Highest 2 September, 2025

    76.1 °F

Climate (2020–Present)

Platteville Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    40.6 °F

  • Average 2020–2025

    49.7 °F

  • Average High 2020–2025

    58.4 °F
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