Mercer Weather Forecast

    • -6
    • 14

    Becoming Sunny

    • 7
    • 11

    Mostly Cloudy

    • 10
    • 19

    Snow

    • -2
    • 16

    Chance Snow

    • 4
    • 15

    Slight Chance Snow

    • 0
    • 16

    Chance Snow

Today 23 Jan Mercer

Partly sunny in the Morning, then becoming mostly cloudy. Very cold with Highs around 13. Temperatures falling to around 5 above in the afternoon. West Winds 10 to 15 Mph with Gusts up to 30 Mph. Wind chill Values as low as 15 below.

Tonight 23 Jan Mercer

Mainly clear. Frigid. Lows around 6 below. Northwest Winds 5 to 10 Mph. Wind chill Values as low as 16 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

    28.8 °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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