Brownsville Weather Forecast

    • 29
    • 41

    Increasing Clouds

    • 37
    • 51

    Mostly Cloudy

    • 46
    • 59

    Rain Showers Likely

    • 47
    • 66

    Mostly Cloudy

    • 44
    • 70

    Chance Rain

    • 30
    • 53

    Partly Sunny

Today 18 Mar Washington

Mostly sunny. Highs around 40. North Winds around 5 Mph, becoming south this afternoon.

Tonight 18 Mar Washington

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 20s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brownsville Temperature Statistics

March Temperature

Frederick Municipal Airport (15.5 miles)

  • Lowest 2 March, 2026

    23.4 °F

  • Average March

    46.2 °F

  • Highest 10 March, 2026

    84.2 °F

Climate (2021–Present)

Frederick Municipal Airport (15.5 miles)

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  • Average Low 2021–2026

    46.2 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    67.3 °F
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