Emerald Weather Forecast

    • 50
    • 61

    Rain Showers Likely

    • 48
    • 66

    Mostly Cloudy

    • 49
    • 65

    Mostly Cloudy

    • 51
    • 68

    Chance Rain Showers

    • 52
    • 67

    Mostly Cloudy

    • 51
    • 70

    Partly Sunny

Today 22 Sep Lehigh

Cloudy. A chance of Showers, mainly this morning. Highs around 60. Northeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 22 Sep Lehigh

Mostly cloudy. Lows in the upper 40s. Northeast Winds 5 to 10 Mph.

Graph Plots Open in Graphs
  • Temperature Forecast NOAA

  • Temperature Real-Time

Emerald Temperature Statistics

September Temperature

Allentown, Lehigh Valley International Airport (11.8 miles)

  • Lowest 15 September, 2026

    45.6 °F
  • Average September

    70.8 °F
  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Allentown, Lehigh Valley International Airport (11.8 miles)

Take a look at our website widgetsAvailable free! Find Out More
  • Average Low 2021–2026

    43.5 °F
  • Average 2021–2026

    53.7 °F
  • Average High 2021–2026

    63.6 °F
Get WillyWeather+ to remove ads