Potomac Weather Forecast

    • 34
    • 49

    Rain Showers

    • 35
    • 56

    Partly Sunny

    • 47
    • 56

    Rain Showers

    • 58
    • 78

    Rain Showers Likely

    • 56
    • 69

    Rain Showers

    • 37
    • 70

    Rain Showers Likely

    • 30
    • 48

    Mostly Cloudy

Today 25 Mar Vermilion

Partly sunny with scattered Showers. Near steady temperature in the upper 40s. Northwest Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 25 Mar Vermilion

Mostly clear this Evening, then mostly cloudy with isolated rain Showers after midnight. Lows in the mid 30s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming southwest after midnight. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac Temperature Statistics

March Temperature

Danville, Vermilion County Airport (13 miles)

  • Lowest 2 March, 2025

    13.8 °F

  • Average March

    45.7 °F

  • Highest 14 March, 2025

    79.7 °F

Climate (2020–Present)

Danville, Vermilion County Airport (13 miles)

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  • Average Low 2020–2025

    44 °F

  • Average 2020–2025

    53.7 °F

  • Average High 2020–2025

    63.5 °F
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