Lancaster Weather Forecast

    • 55
    • 77

    Increasing Clouds

    • 64
    • 80

    Mostly Cloudy

    • 68
    • 84

    Partly Sunny

    • 53
    • 77

    Rain Showers Likely

    • 51
    • 67

    Chance Rain Showers

    • 46
    • 69

    Chance Rain Showers

    • 41
    • 65

    Mostly Sunny

Today 29 Sep Fairfield

Sunny. Highs in the lower 60s.

Tonight 29 Sep Fairfield

Mostly clear until early Morning, then becoming partly cloudy. Lows in the mid 50s. Light and variable Winds, becoming southeast around 5 Mph this late evening and overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lancaster Temperature Statistics

September Temperature

Lancaster, Fairfield County Airport (4.3 miles)

  • Lowest 25 September, 2026

    42.7 °F

  • Average September

    71 °F

  • Highest 3 September, 2026

    95.6 °F

Climate (2021–2026)

Lancaster, Fairfield County Airport (4.3 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    65.1 °F
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