Potomac Weather Forecast

    • 66
    • 87

    Chance Thunderstorms

    • 64
    • 85

    Mostly Sunny

    • 66
    • 87

    Partly Sunny

    • 67
    • 88

    Mostly Sunny

    • 71
    • 90

    Partly Sunny

    • 72
    • 92

    Chance Thunderstorms

Today 30 Jun Vermilion

Partly sunny with a slight chance of Showers and Thunderstorms in the Morning, then mostly cloudy with a chance of Showers and Thunderstorms in the afternoon. Humid with Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 30 Jun Vermilion

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 60s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Potomac Temperature Statistics

June Temperature

Danville, Vermilion County Airport (13 miles)

  • Lowest 1 June, 2025

    46.6 °F

  • Average June

    73.8 °F

  • Highest 26 June, 2025

    92.7 °F

Climate (2020–Present)

Danville, Vermilion County Airport (13 miles)

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  • Average Low 2020–2025

    44.1 °F

  • Average 2020–2025

    53.9 °F

  • Average High 2020–2025

    63.7 °F
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