West Middlesex Weather Forecast

    • 59
    • 81

    Rain Showers

    • 49
    • 72

    Partly Sunny

    • 52
    • 77

    Mostly Sunny

    • 59
    • 82

    Partly Sunny

    • 62
    • 85

    Partly Sunny

    • 65
    • 86

    Mostly Cloudy

Today 21 Jul Mercer

Showers and Thunderstorms likely. Some Thunderstorms may produce heavy rainfall. Near steady temperature in the mid 70s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

Tonight 21 Jul Mercer

Mostly cloudy. Showers and Thunderstorms likely in the Evening, then a slight chance of Showers after midnight. Some Thunderstorms may be severe with heavy rainfall. Humid with Lows in the upper 50s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest after midnight. Chance of rain 70 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

West Middlesex Temperature Statistics

July Temperature

New Castle, New Castle Municipal Airport (9.9 miles)

  • Lowest 19 July, 2026

    55 °F

  • Average July

    75.5 °F

  • Highest 1 July, 2026

    95 °F

Climate (2021–2026)

New Castle, New Castle Municipal Airport (9.9 miles)

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

  • Average Low 2021–2026

    41.7 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    61.1 °F
Get WillyWeather+ to remove ads