Fairfield Weather Forecast

    • 69
    • 86

    Chance Rain Showers

    • 63
    • 84

    Slight Chance Thunderstorms

    • 61
    • 79

    Partly Sunny

    • 56
    • 75

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 60
    • 81

    Partly Sunny

    • 66
    • 80

    Partly Sunny

Today 3 Sep Western Essex

Partly sunny with a chance of Showers with a slight chance of Thunderstorms. Near steady temperature in the mid 80s. West Winds around 5 Mph. Chance of rain 30 percent.

Tonight 3 Sep Western Essex

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Humid with Lows around 70. West Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fairfield Temperature Statistics

September Temperature

Caldwell, Essex County Airport (1.2 miles)

  • Lowest 1 September, 2026

    66.9 °F

  • Average September

    73.3 °F

  • Highest 1 September, 2026

    84 °F

Climate (2021–2026)

Caldwell, Essex County Airport (1.2 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    55.9 °F

  • Average High 2021–2026

    65.1 °F
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