Delaware Weather Forecast

    • 64
    • 80

    Slight Chance Thunderstorms

    • 55
    • 81

    Mostly Sunny

    • 52
    • 70

    Rain Showers

    • 63
    • 75

    Rain Showers

    • 56
    • 74

    Chance Rain Showers

    • 57
    • 70

    Chance Rain Showers

    • 55
    • 73

    Slight Chance Rain Showers

Today 11 Sep Delaware

Sunny. Near steady temperature in the upper 70s. South Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 11 Sep Delaware

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows in the mid 60s. South Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Delaware Temperature Statistics

September Temperature

Monticello Regional Airport (19.9 miles)

  • Lowest 7 September, 2026

    62.6 °F

  • Average September

    77 °F

  • Highest 1 September, 2026

    93.2 °F

Climate (2021–2026)

Monticello Regional Airport (19.9 miles)

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  • Average Low 2021–2026

    37.4 °F

  • Average 2021–2026

    48.2 °F

  • Average High 2021–2026

    58.6 °F
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