Johnson Island Weather Forecast

    • 36
    • 43

    Rain

    • 28
    • 43

    Chance Rain Showers

    • 31
    • 39

    Partly Sunny

    • 36
    • 42

    Partly Sunny

    • 31
    • 45

    Mostly Cloudy

Today 10 Jan Southern New Haven

Cloudy. Rain this afternoon. Highs in the lower 40s. North Winds around 5 Mph, becoming east this afternoon. Chance of rain 90 percent.

Tonight 10 Jan Southern New Haven

Rain. Near steady temperature in the upper 30s. East Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north after midnight. Chance of rain near 100 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Johnson Island Temperature Statistics

January Temperature

New Haven, Tweed-New Haven Airport (6.8 miles)

  • Lowest 1 January, 2026

    21.9 °F

  • Average January

    32.6 °F

  • Highest 8 January, 2026

    50 °F

Climate (2021–Present)

New Haven, Tweed-New Haven Airport (6.8 miles)

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

  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    63.7 °F
Get WillyWeather+ to remove ads