West Middlesex Airport Weather Forecast

    • 54
    • 80

    Thunderstorms Likely

    • 46
    • 68

    Chance Rain Showers

    • 42
    • 67

    Partly Sunny

    • 44
    • 69

    Mostly Sunny

    • 49
    • 75

    Mostly Sunny

    • 52
    • 79

    Partly Sunny

Today 5 Sep Mercer

Patchy fog this morning. Partly cloudy. Highs in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 5 Sep Mercer

Mostly cloudy. Showers likely after midnight. Lows in the lower 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming northwest around 5 Mph after midnight. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

West Middlesex Airport Temperature Statistics

September Temperature

New Castle, New Castle Municipal Airport (10.6 miles)

  • Lowest 1 September, 2025

    46 °F

  • Average September

    62.4 °F

  • Highest 2 September, 2025

    79 °F

Climate (2020–Present)

New Castle, New Castle Municipal Airport (10.6 miles)

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

  • Average Low 2020–2025

    42 °F

  • Average 2020–2025

    51.4 °F

  • Average High 2020–2025

    61.1 °F
Get WillyWeather+ to remove ads