Mercer Weather Forecast

    • 39
    • 51

    Chance Rain

    • 39
    • 56

    Rain

    • 41
    • 57

    Rain Likely

    • 30
    • 55

    Rain Likely

    • 27
    • 42

    Snow Likely

    • 20
    • 36

    Snow Likely

    • 9
    • 28

    Slight Chance Snow

Today 17 Feb Mercer

Mostly cloudy. Mild. Near steady temperature around 50. South Winds around 5 Mph.

Tonight 17 Feb Mercer

Considerable cloudiness. A chance of rain after midnight. Lows in the upper 30s. Southeast Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mercer Temperature Statistics

February Temperature

New Castle, New Castle Municipal Airport (16.2 miles)

  • Lowest 8 February, 2026

    -13 °F

  • Average February

    21.4 °F

  • Highest 10 February, 2026

    54 °F

Climate (2021–Present)

New Castle, New Castle Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    51.1 °F

  • Average High 2021–2026

    61 °F
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