Wellsburg Weather Forecast

    • 56
    • 87

    Rain Showers

    • 58
    • 83

    Thunderstorms Likely

    • 63
    • 85

    Rain Showers Likely

    • 55
    • 84

    Rain Showers

    • 43
    • 67

    Partly Sunny

    • 43
    • 65

    Partly Sunny

    • 49
    • 70

    Slight Chance Thunderstorms

Today 15 May Grundy

Sunny. Near steady temperature in the mid 80s. South Winds 10 to 15 Mph.

Tonight 15 May Grundy

Thunderstorms likely. Showers. Some Thunderstorms may be severe with damaging Winds and large hail. Lows in the mid 50s. South Winds 10 to 15 Mph, becoming southwest 5 to 10 Mph after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wellsburg Temperature Statistics

May Temperature

Iowa Falls Municipal Airport (17.4 miles)

  • Lowest 2 May, 2026

    32.4 °F

  • Average May

    55.9 °F

  • Highest 12 May, 2026

    80.6 °F

Climate (2021–Present)

Iowa Falls Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    60.5 °F
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