Rochester Weather Forecast

    • 50
    • 75

    Rain Showers

    • 48
    • 65

    Rain Showers Likely

    • 41
    • 63

    Mostly Sunny

    • 42
    • 64

    Slight Chance Thunderstorms

    • 38
    • 61

    Partly Sunny

    • 43
    • 63

    Mostly Sunny

    • 49
    • 72

    Slight Chance Rain Showers

Today 27 Apr Sangamon

Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail. Locally heavy rainfall possible. Breezy with Highs in the mid 70s. South Winds 20 to 25 Mph with Gusts up to 35 Mph. Chance of rain 80 percent.

Tonight 27 Apr Sangamon

Partly cloudy late this Evening, then becoming mostly cloudy. A slight chance of Thunderstorms late this evening. Some Thunderstorms may be severe. Cooler with Lows in the upper 40s. Southwest Winds 15 to 20 Mph, becoming west 10 to 15 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rochester Temperature Statistics

April Temperature

Springfield - Abraham Lincoln Capital Airport (9.9 miles)

  • Lowest 7 April, 2026

    35.7 °F

  • Average April

    60.6 °F

  • Highest 14 April, 2026

    87.7 °F

Climate (2021–Present)

Springfield - Abraham Lincoln Capital Airport (9.9 miles)

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  • Average Low 2021–2026

    45 °F

  • Average 2021–2026

    55.4 °F

  • Average High 2021–2026

    65.5 °F
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