Rockville Weather Forecast

    • 74
    • 86

    Partly Sunny

    • 73
    • 92

    Mostly Sunny

    • 69
    • 87

    Chance Thunderstorms

    • 70
    • 86

    Chance Thunderstorms

    • 69
    • 86

    Slight Chance Thunderstorms

    • 70
    • 90

    Slight Chance Thunderstorms

Today 22 Jul Delaware

Mostly cloudy. Humid with Highs in the mid 80s. Southeast Winds 10 to 15 Mph.

Tonight 22 Jul Delaware

Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Showers and Thunderstorms. Humid with Lows in the mid 70s. South Winds 10 to 15 Mph. Chance of rain 40 percent.

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Rockville Temperature Statistics

July Temperature

Monticello Regional Airport (13.7 miles)

  • Lowest 18 July, 2025

    55.4 °F

  • Average July

    73.6 °F

  • Highest 3 July, 2025

    91.4 °F

Climate (2020–Present)

Monticello Regional Airport (13.7 miles)

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  • Average Low 2020–2025

    37.4 °F

  • Average 2020–2025

    48.2 °F

  • Average High 2020–2025

    58.4 °F
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