Mercer Weather Forecast

    • 10
    • 29

    Mostly Cloudy

    • -4
    • 16

    Mostly Cloudy

    • 5
    • 11

    Snow

    • 6
    • 18

    Snow Likely

    • 0
    • 15

    Chance Snow

    • 6
    • 15

    Mostly Cloudy

Today 22 Jan Mercer

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the upper 20s. Temperatures falling into the mid 20s in the afternoon. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 22 Jan Mercer

Mostly cloudy. Very cold with Lows around 10 above. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Mercer Temperature Statistics

January Temperature

New Castle, New Castle Municipal Airport (16.2 miles)

  • Lowest 19 January, 2026

    3.9 °F

  • Average January

    29.9 °F

  • Highest 9 January, 2026

    64.9 °F

Climate (2021–Present)

New Castle, New Castle Municipal Airport (16.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.3 °F

  • Average High 2021–2026

    61.1 °F
Get WillyWeather+ to remove ads