Harlem Weather Forecast

    • 39
    • 54

    Mostly Cloudy

    • 38
    • 58

    Mostly Cloudy

    • 45
    • 65

    Partly Sunny

    • 27
    • 58

    Mostly Cloudy

    • 29
    • 44

    Partly Sunny

    • 33
    • 52

    Mostly Cloudy

Today 19 Mar Winnebago

Mostly sunny early in the Morning, then becoming partly cloudy. Highs in the mid 50s. Southeast Winds around 5 Mph.

Tonight 19 Mar Winnebago

Mostly cloudy. Lows in the upper 30s. Southeast Winds around 5 Mph, becoming southwest after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Harlem Temperature Statistics

March Temperature

Rockford, Greater Rockford Airport (10.6 miles)

  • Lowest 16 March, 2026

    17.1 °F

  • Average March

    40.6 °F

  • Highest 9 March, 2026

    72 °F

Climate (2021–Present)

Rockford, Greater Rockford Airport (10.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    41.6 °F

  • Average 2021–2026

    51.8 °F

  • Average High 2021–2026

    61.7 °F
Get WillyWeather+ to remove ads