Mercer Weather Forecast

    • 27
    • 48

    Partly Sunny

    • 35
    • 50

    Rain

    • 46
    • 53

    Rain

    • 24
    • 54

    Chance Snow Showers

    • 23
    • 33

    Chance Snow Showers

    • 20
    • 32

    Chance Snow Showers

    • 23
    • 34

    Slight Chance Snow

Today 23 Nov Mercer

Mostly sunny. Highs in the upper 40s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 23 Nov Mercer

Clear. Patchy fog after midnight. Lows in the upper 20s. West Winds 5 to 10 Mph.

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  • Temperature Real-Time

Mercer Temperature Statistics

November Temperature

New Castle, New Castle Municipal Airport (16.2 miles)

  • Lowest 18 November, 2025

    19 °F

  • Average November

    40.8 °F

  • Highest 15 November, 2025

    63 °F

Climate (2020–Present)

New Castle, New Castle Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    41.9 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    61.1 °F
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