Dayton Weather Forecast

    • 69
    • 83

    Severe Tstms

    • 62
    • 85

    Chance Thunderstorms

    • 59
    • 79

    Sunny

    • 61
    • 81

    Partly Sunny

    • 62
    • 79

    Partly Sunny

    • 65
    • 83

    Partly Sunny

Today 21 Jul Middlesex

Showers likely. A chance of Thunderstorms this Morning, then Thunderstorms likely this afternoon. Highs in the lower 80s. South Winds 10 to 15 Mph. Chance of rain 70 percent.

Tonight 21 Jul Middlesex

Showers and Thunderstorms, mainly in the evening. Some Thunderstorms may be severe with damaging Winds in the evening. Locally heavy rainfall possible in the evening. Humid with Lows around 70. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Dayton Temperature Statistics

July Temperature

Trenton, Mercer County Airport (17.4 miles)

  • Lowest 13 July, 2026

    63.6 °F

  • Average July

    79 °F

  • Highest 2 July, 2026

    101.6 °F

Climate (2021–2026)

Trenton, Mercer County Airport (17.4 miles)

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

  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    64.4 °F
Get WillyWeather+ to remove ads