Mercer Weather Forecast

    • 36
    • 70

    Rain Showers Likely

    • 39
    • 57

    Mostly Sunny

    • 59
    • 75

    Mostly Cloudy

    • 59
    • 72

    Chance Rain Showers

    • 62
    • 78

    Chance Rain Showers

    • 57
    • 80

    Chance Rain Showers

Today 10 Apr Mercer

Partly cloudy this Morning, then mostly cloudy with Showers with a slight chance of Thunderstorms this afternoon. Highs around 70. South Winds 5 to 10 Mph, becoming southwest 10 to 15 Mph this afternoon. Chance of rain 90 percent.

Tonight 10 Apr Mercer

Mostly cloudy. Showers in the evening. Lows in the mid 30s. Northwest Winds 5 to 10 Mph. Chance of rain 80 percent.

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  • Temperature Real-Time

Mercer Temperature Statistics

April Temperature

New Castle, New Castle Municipal Airport (16.2 miles)

  • Lowest 7 April, 2026

    26.1 °F

  • Average April

    51.7 °F

  • Highest 4 April, 2026

    82.9 °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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