Mercer Weather Forecast

    • 2
    • 22

    Snow Showers Likely

    • 6
    • 14

    Partly Sunny

    • 19
    • 33

    Snow Showers Likely

    • 7
    • 24

    Chance Snow Showers

    • 9
    • 21

    Chance Snow Showers

    • 2
    • 18

    Chance Snow Showers

Today 19 Jan Mercer

Considerable cloudiness. Snow likely in the Morning, then a chance of snow Showers in the afternoon. Total snow accumulation 1 to 2 Inches. Blustery with Highs in the lower 20s. Temperatures falling to around 15 in the afternoon. Southwest Winds 15 to 25 Mph with Gusts up to 40 Mph. Chance of snow 70 percent.

Tonight 19 Jan Mercer

Mostly cloudy. A slight chance of snow Showers in the evening. Very cold with Lows around 3 above. West Winds 15 to 20 Mph. Gusts up to 35 Mph in the evening. Chance of snow 20 percent. Wind chill Values as low as 14 below.

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Mercer Temperature Statistics

January Temperature

New Castle, New Castle Municipal Airport (16.2 miles)

  • Lowest 15 January, 2026

    6.1 °F

  • Average January

    31.6 °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

    51.3 °F

  • Average High 2021–2026

    61.1 °F
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