Mercer Weather Forecast

    • 9
    • 12

    Snow

    • 11
    • 20

    Snow

    • -3
    • 17

    Snow Likely

    • 0
    • 13

    Chance Snow Showers

    • -1
    • 13

    Chance Snow Showers

    • -1
    • 13

    Chance Snow Showers

    • 0
    • 14

    Slight Chance Snow Showers

Today 24 Jan Mercer

Mostly sunny Early, then becoming partly sunny. Very cold with Highs around 12. Southeast Winds around 5 Mph, becoming east.

Tonight 24 Jan Mercer

Considerable cloudiness. A slight chance of snow this Evening, then snow after midnight. Little or no snow accumulation. Very cold. Near steady temperature around 10 above. East Winds 5 to 10 Mph. Chance of snow 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mercer Temperature Statistics

January Temperature

New Castle, New Castle Municipal Airport (16.2 miles)

  • Lowest 20 January, 2026

    1.9 °F

  • Average January

    28.5 °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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