Wilton Weather Forecast

    • 55
    • 68

    Rain

    • 50
    • 68

    Chance Rain Showers

    • 48
    • 64

    Slight Chance Rain Showers

    • 48
    • 64

    Slight Chance Rain Showers

    • 49
    • 64

    Chance Rain Showers

    • 50
    • 64

    Chance Rain Showers

Today 20 Sep Northern Fairfield

Showers. Highs in the mid 60s. Southeast Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon. Chance of rain near 100 percent.

Tonight 20 Sep Northern Fairfield

Rain in the Evening, then Showers likely after midnight. Lows in the lower 50s. Southeast Winds 5 to 10 Mph, becoming north 10 to 15 Mph after midnight. Chance of rain 90 percent.

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Wilton Temperature Statistics

September Temperature

Danbury, Danbury Municipal Airport (11.8 miles)

  • Lowest 15 September, 2026

    44.1 °F

  • Average September

    67.1 °F

  • Highest 10 September, 2026

    82.9 °F

Climate (2021–2026)

Danbury, Danbury Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    43.3 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    63.1 °F
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