Mercer Weather Forecast

    • 37
    • 51

    Mostly Sunny

    • 24
    • 50

    Snow Likely

    • 14
    • 32

    Chance Snow

    • 23
    • 35

    Chance Rain

    • 33
    • 44

    Rain Likely

    • 39
    • 52

    Chance Rain

    • 45
    • 60

    Rain Likely

Today 27 Feb Mercer

Sunny, mild. Near steady temperature around 50. Southwest Winds 5 to 10 Mph.

Tonight 27 Feb Mercer

Mainly clear this Evening, then becoming mostly cloudy. Lows in the upper 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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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

    27.6 °F

  • Highest 19 February, 2026

    60.1 °F

Climate (2021–Present)

New Castle, New Castle Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    61 °F
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