Nassau Weather Forecast

    • 35
    • 47

    Chance Rain

    • 19
    • 37

    Rain/Snow Likely

    • 14
    • 39

    Mostly Sunny

    • 14
    • 27

    Mostly Sunny

    • 28
    • 39

    Partly Sunny

    • 25
    • 45

    Chance Rain

Today 17 Jan Inland Sussex

A slight chance of snow in the morning. Mostly cloudy with a slight chance of rain. Highs in the upper 40s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of precipitation 20 percent.

Tonight 17 Jan Inland Sussex

Mostly cloudy. A chance of rain after midnight. Lows in the mid 30s. West Winds around 5 Mph. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Nassau Temperature Statistics

January Temperature

Georgetown - Delaware Coastal Airport (9.9 miles)

  • Lowest 3 January, 2026

    19.9 °F

  • Average January

    39.5 °F

  • Highest 10 January, 2026

    66 °F

Climate (2021–Present)

Georgetown - Delaware Coastal Airport (9.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    49.2 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    68.3 °F
Get WillyWeather+ to remove ads