Mercer Weather Forecast

    • -5
    • 17

    Becoming Sunny

    • 7
    • 12

    Mostly Cloudy

    • 11
    • 20

    Snow

    • -3
    • 17

    Chance Snow

    • 0
    • 13

    Slight Chance Snow

    • 2
    • 14

    Chance Snow

    • -3
    • 13

    Chance Snow

Today 23 Jan Mercer

Mostly cloudy with a 20 percent chance of snow Showers. Very cold with Highs around 16. Temperatures falling to around 5 above. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Wind chill Values as low as 15 below.

Tonight 23 Jan Mercer

Partly cloudy. Frigid. Lows around 5 below. Northwest Winds 5 to 10 Mph. Wind chill Values as low as 17 below.

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Mercer Temperature Statistics

January Temperature

New Castle, New Castle Municipal Airport (16.2 miles)

  • Lowest 20 January, 2026

    1.9 °F

  • Average January

    28.6 °F

  • Highest 9 January, 2026

    64.9 °F

Climate (2021–Present)

New Castle, New Castle Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    61 °F
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