Westchester Weather Forecast

    • 70
    • 84

    Mostly Cloudy

    • 69
    • 88

    Slight Chance Thunderstorms

    • 69
    • 85

    Rain Showers

    • 70
    • 85

    Rain Showers

    • 72
    • 91

    Chance Thunderstorms

    • 74
    • 93

    Mostly Sunny

    • 74
    • 95

    Slight Chance Thunderstorms

Today 5 Jun Sangamon

Mostly cloudy with a chance of Showers and Thunderstorms. Near steady temperature in the lower 80s. Southwest Winds around 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

Tonight 5 Jun Sangamon

Mostly cloudy. A slight chance of Showers and Thunderstorms this evening. Lows in the upper 60s. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Westchester Temperature Statistics

June Temperature

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

  • Lowest 3 June, 2026

    50 °F

  • Average June

    71.7 °F

  • Highest 1 June, 2026

    88.6 °F

Climate (2021–Present)

Springfield - Abraham Lincoln Capital Airport (6.2 miles)

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  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    65.6 °F
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