Mercer Weather Forecast

    • 34
    • 47

    Mostly Cloudy

    • 34
    • 51

    Chance Rain

    • 25
    • 45

    Partly Sunny

    • 29
    • 50

    Partly Sunny

    • 36
    • 51

    Rain Likely

    • 43
    • 54

    Rain Likely

    • 28
    • 53

    Chance Rain

Today 20 Nov Mercer

Mostly cloudy. Near steady temperature in the mid 40s. South Winds around 5 Mph.

Tonight 20 Nov Mercer

Considerable cloudiness. Lows in the mid 30s. South Winds around 5 Mph.

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Mercer Temperature Statistics

November Temperature

New Castle, New Castle Municipal Airport (16.2 miles)

  • Lowest 18 November, 2025

    19 °F

  • Average November

    41.1 °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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