Seminary Hill Weather Forecast

    • 74
    • 89

    Chance Thunderstorms

    • 73
    • 92

    Rain Showers

    • 65
    • 87

    Rain Showers Likely

    • 65
    • 82

    Mostly Sunny

    • 67
    • 82

    Slight Chance Thunderstorms

    • 68
    • 83

    Partly Sunny

Today 20 Jul Arlington/Falls Church/Alexandria

Mostly sunny. Highs in the upper 80s. South Winds around 5 Mph.

Tonight 20 Jul Arlington/Falls Church/Alexandria

Partly cloudy in the Evening, then mostly cloudy with scattered Showers with isolated Thunderstorms after midnight. Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seminary Hill Temperature Statistics

July Temperature

Washington/Reagan National Airport, DC (3.7 miles)

  • Lowest 13 July, 2026

    69.7 °F

  • Average July

    84.3 °F

  • Highest 4 July, 2026

    103.6 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (3.7 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    69.3 °F
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