Brownstown Weather Forecast

    • 50
    • 59

    Rain Showers Likely

    • 48
    • 65

    Mostly Cloudy

    • 48
    • 64

    Partly Sunny

    • 50
    • 68

    Partly Sunny

    • 51
    • 68

    Slight Chance Rain Showers

    • 51
    • 70

    Partly Sunny

Today 22 Sep Lancaster

Showers, mainly this morning. Patchy fog. Cooler with Highs in the upper 50s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

Tonight 22 Sep Lancaster

Cloudy. A chance of Showers in the evening. Lows around 50. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brownstown Temperature Statistics

September Temperature

Lancaster, Lancaster Airport (3.7 miles)

  • Lowest 15 September, 2026

    48 °F

  • Average September

    71.3 °F

  • Highest 1 September, 2026

    89.1 °F

Climate (2021–2026)

Lancaster, Lancaster Airport (3.7 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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