Mercer Weather Forecast

    • 35
    • 43

    Rain

    • 23
    • 48

    Rain

    • 20
    • 30

    Mostly Cloudy

    • 36
    • 46

    Chance Rain

    • 24
    • 45

    Slight Chance Rain/Snow

    • 25
    • 36

    Mostly Cloudy

Today 30 Jan Mercer

Partly sunny. Near steady temperature in the lower 40s. South Winds 5 to 10 Mph.

Tonight 30 Jan Mercer

A chance of rain in the Evening, then rain after midnight. Lows in the mid 30s. South Winds 5 to 10 Mph. Chance of rain near 100 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 22 January, 2025

    -13 °F

  • Average January

    20.3 °F

  • Highest 1 January, 2025

    39 °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

    51.2 °F

  • Average High 2020–2025

    60.9 °F
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