Excelsior Weather Forecast

    • 42
    • 61

    Rain Showers

    • 45
    • 52

    Rain Showers

    • 42
    • 55

    Rain Showers

    • 38
    • 62

    Mostly Sunny

    • 43
    • 65

    Partly Sunny

    • 43
    • 68

    Partly Sunny

    • 47
    • 69

    Slight Chance Thunderstorms

Today 19 May Richland

Mostly cloudy. Highs around 60. East Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 19 May Richland

Cloudy with a slight chance of Thunderstorms. A chance of rain Showers in the Evening, then rain Showers after midnight. Breezy with Lows in the lower 40s. East Winds 15 to 25 Mph with Gusts up to 35 Mph. Chance of rain 90 percent.

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Excelsior Temperature Statistics

May Temperature

Boscobel, Boscobel Airport (6.8 miles)

  • Lowest 9 May, 2025

    30.8 °F

  • Average May

    60 °F

  • Highest 15 May, 2025

    93.7 °F

Climate (2020–Present)

Boscobel, Boscobel Airport (6.8 miles)

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  • Average Low 2020–2025

    38.7 °F

  • Average 2020–2025

    49.7 °F

  • Average High 2020–2025

    61.1 °F
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