Potomac Weather Forecast

    • 38
    • 52

    Decreasing Clouds

    • 49
    • 59

    Rain Showers

    • 37
    • 54

    Chance Rain

    • 23
    • 45

    Chance Rain/Snow

    • 23
    • 33

    Partly Sunny

    • 28
    • 42

    Partly Sunny

Today 7 Jan Vermilion

Mostly cloudy in the Morning, then clearing. Patchy fog in the morning. Highs in the lower 50s. Southwest Winds 5 to 10 Mph.

Tonight 7 Jan Vermilion

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the upper 30s. South Winds 5 to 10 Mph.

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Potomac Temperature Statistics

January Temperature

Danville, Vermilion County Airport (13 miles)

  • Lowest 2 January, 2026

    16.7 °F

  • Average January

    27.2 °F

  • Highest 4 January, 2026

    37 °F

Climate (2021–Present)

Danville, Vermilion County Airport (13 miles)

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  • Average Low 2021–2026

    44.4 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    64.1 °F
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