Dayton Weather Forecast

    • 68
    • 83

    Rain Showers Likely

    • 68
    • 86

    Rain Showers

    • 61
    • 83

    Chance Rain Showers

    • 60
    • 76

    Mostly Sunny

    • 64
    • 80

    Partly Sunny

    • 65
    • 81

    Partly Sunny

Today 20 Jul Northwest Howard

Sunny. Highs in the lower 80s. Northeast Winds around 5 Mph, becoming southeast around 5 Mph in the afternoon.

Tonight 20 Jul Northwest Howard

Partly cloudy in the Evening, then mostly cloudy with Showers likely with a slight chance of Thunderstorms after midnight. Lows in the upper 60s. Southeast Winds 5 to 10 Mph. Chance of rain 60 percent.

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  • Temperature Real-Time

Dayton Temperature Statistics

July Temperature

Gaithersburg - Montgomery County Airport (10.6 miles)

  • Lowest 13 July, 2026

    62.6 °F

  • Average July

    79.4 °F

  • Highest 4 July, 2026

    100.9 °F

Climate (2021–2026)

Gaithersburg - Montgomery County Airport (10.6 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    56 °F

  • Average High 2021–2026

    65.9 °F
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