Dorchester Weather Forecast

    • 43
    • 46

    Rain

    • 31
    • 49

    Chance Rain

    • 39
    • 47

    Mostly Cloudy

    • 37
    • 60

    Mostly Cloudy

    • 28
    • 52

    Partly Sunny

    • 34
    • 44

    Partly Sunny

Today 30 Jan Macoupin

Rain likely with a slight chance of Thunderstorms. Patchy fog. Highs in the upper 40s. Southeast Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 70 percent.

Tonight 30 Jan Macoupin

Cloudy with a slight chance of Thunderstorms. Rain Likely, mainly in the evening. Patchy fog. Not as cool. Near steady temperature in the mid 40s. East Winds 5 to 10 Mph, becoming south with Gusts up to 20 Mph after midnight. Chance of rain 70 percent.

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Dorchester Temperature Statistics

January Temperature

Litchfield Municipal Airport (12.4 miles)

  • Lowest 15 January, 2025

    -4.2 °F

  • Average January

    21.3 °F

  • Highest 17 January, 2025

    42.1 °F

Climate (2020–Present)

Litchfield Municipal Airport (12.4 miles)

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  • Average Low 2020–2025

    44.9 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    63.5 °F
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