Cougar Weather Forecast

    • 37
    • 46

    Rain

    • 36
    • 41

    Rain

    • 33
    • 42

    Rain Showers

    • 36
    • 51

    Mostly Sunny

    • 42
    • 59

    Partly Sunny

    • 46
    • 63

    Mostly Cloudy

Today 31 Mar South Washington Cascade Foothills

Mostly cloudy with a chance of rain with a slight chance of snow this Morning, then partly sunny with a slight chance of rain this afternoon. No snow accumulation. Highs in the mid 50s. East wind 5 to 10 Mph, becoming south this afternoon. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.

Tonight 31 Mar South Washington Cascade Foothills

A chance of rain in the Evening, then rain after midnight. Lows around 40. South wind 5 to 10 Mph. Chance of rain near 100 percent. Rainfall Amounts a tenth to a quarter of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cougar Temperature Statistics

March Temperature

Southwest Washington Regional Airport (28.6 miles)

  • Lowest 22 March, 2026

    28.9 °F

  • Average March

    47.4 °F

  • Highest 16 March, 2026

    66 °F

Climate (2021–Present)

Southwest Washington Regional Airport (28.6 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    53 °F

  • Average High 2021–2026

    62.5 °F
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