Arboretum Weather Forecast

    • 56
    • 60

    Rain Showers

    • 53
    • 69

    Rain Showers Likely

    • 50
    • 67

    Partly Sunny

    • 50
    • 67

    Partly Sunny

    • 55
    • 71

    Chance Rain Showers

    • 59
    • 74

    Rain Showers Likely

Today 21 May District of Columbia

Cloudy with patchy drizzle. Patchy fog. Highs in the upper 50s. East Winds 10 to 15 Mph.

Tonight 21 May District of Columbia

Cloudy. Showers with isolated Thunderstorms in the Evening, then scattered Showers after midnight. Patchy fog. Lows in the mid 50s. East Winds 10 to 15 Mph, Diminishing to around 5 Mph after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arboretum Temperature Statistics

May Temperature

College Park Airport (5 miles)

  • Lowest 10 May, 2025

    43.9 °F

  • Average May

    67.7 °F

  • Highest 16 May, 2025

    88.7 °F

Climate (2020–Present)

College Park Airport (5 miles)

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  • Average Low 2020–2025

    48 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    67.2 °F
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