Washington Weather Forecast

    • 70
    • 82

    Chance Thunderstorms

    • 70
    • 80

    Thunderstorms

    • 72
    • 83

    Thunderstorms Likely

    • 71
    • 81

    Rain Showers

    • 70
    • 80

    Thunderstorms Likely

    • 71
    • 82

    Rain Showers Likely

Today 20 May Washington

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the lower 80s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 20 May Washington

Showers and Thunderstorms likely. Near steady temperature in the upper 60s. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Washington Temperature Statistics

May Temperature

Brenham, Brenham Municipal Airport (14.3 miles)

  • Lowest 2 May, 2026

    48.7 °F

  • Average May

    72 °F

  • Highest 10 May, 2026

    88.9 °F

Climate (2021–Present)

Brenham, Brenham Municipal Airport (14.3 miles)

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  • Average Low 2021–2026

    60.9 °F

  • Average 2021–2026

    70.7 °F

  • Average High 2021–2026

    81.6 °F
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