Harlem Weather Forecast

    • 5
    • 16

    Snow Showers

    • 5
    • 21

    Decreasing Clouds

    • 16
    • 25

    Chance Snow

    • 15
    • 27

    Mostly Cloudy

    • 13
    • 27

    Slight Chance Snow

    • 11
    • 25

    Mostly Cloudy

    • 22
    • 29

    Chance Snow

Today 30 Jan Winnebago

Mostly cloudy. Isolated snow Showers late in the Morning, then scattered snow Showers in the afternoon. Snow accumulation around an inch possible. Highs around 15. North Winds 10 to 15 Mph. Chance of precipitation 50 percent.

Tonight 30 Jan Winnebago

Mostly cloudy. Isolated snow Showers early in the evening. Lows around 5 above. North Winds around 10 Mph. Chance of precipitation 20 percent. Wind chill Values as low as 12 below after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harlem Temperature Statistics

January Temperature

Rockford, Greater Rockford Airport (10.6 miles)

  • Lowest 23 January, 2026

    -13.5 °F

  • Average January

    20.8 °F

  • Highest 8 January, 2026

    59.6 °F

Climate (2021–Present)

Rockford, Greater Rockford Airport (10.6 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    51.6 °F

  • Average High 2021–2026

    61.5 °F
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