Leslie Groves Park Weather Forecast

    • 56
    • 76

    Decreasing Clouds

    • 49
    • 76

    Mostly Cloudy

    • 36
    • 63

    Mostly Sunny

    • 41
    • 60

    Mostly Cloudy

    • 46
    • 61

    Mostly Cloudy

    • 44
    • 66

    Chance Rain

Today 19 Mar Lower Columbia Basin of Washington

Mostly cloudy. Highs in the lower to mid 70s. Breezy. Southwest wind 10 to 20 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 19 Mar Lower Columbia Basin of Washington

Mostly cloudy. Lows in the lower to mid 50s. Southwest wind 5 to 15 Mph. Gusts up to 30 Mph in the evening.

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Leslie Groves Park Temperature Statistics

March Temperature

Tri-Cities Airport (6.8 miles)

  • Lowest 1 March, 2026

    24.7 °F

  • Average March

    48.6 °F

  • Highest 7 March, 2026

    72 °F

Climate (2021–Present)

Tri-Cities Airport (6.8 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    68 °F
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