Bath Weather Forecast

    • 65
    • 79

    Rain Showers

    • 62
    • 80

    Slight Chance Rain Showers

    • 49
    • 73

    Mostly Sunny

    • 54
    • 73

    Partly Sunny

    • 60
    • 80

    Chance Rain Showers

    • 61
    • 82

    Chance Rain Showers

Today 12 Sep Northampton

Partly sunny. Highs in the upper 70s. East Winds around 5 Mph, becoming south this afternoon.

Tonight 12 Sep Northampton

Mostly cloudy. Showers with a chance of Thunderstorms after midnight. Patchy fog after midnight. Warmer with Lows in the mid 60s. Southeast Winds around 5 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bath Temperature Statistics

September Temperature

Allentown, Lehigh Valley International Airport (5.6 miles)

  • Lowest 7 September, 2026

    53.7 °F

  • Average September

    72.8 °F

  • Highest 1 September, 2026

    88.6 °F

Climate (2021–2026)

Allentown, Lehigh Valley International Airport (5.6 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    63.6 °F
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