Barstow Weather Forecast

    • 59
    • 88

    Decreasing Clouds

    • 60
    • 90

    Mostly Sunny

    • 55
    • 85

    Partly Sunny

    • 58
    • 85

    Partly Sunny

    • 57
    • 86

    Mostly Sunny

    • 56
    • 83

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

Today 26 May Rock Island

Partly sunny. Near steady temperature in the mid 80s. Southeast Winds 5 to 10 Mph.

Tonight 26 May Rock Island

Mostly cloudy in the Evening, then becoming partly cloudy. Lows around 60. South Winds 5 to 10 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Barstow Temperature Statistics

May Temperature

Moline Quad-City Airport (9.3 miles)

  • Lowest 7 May, 2026

    29.6 °F

  • Average May

    60.1 °F

  • Highest 17 May, 2026

    85.6 °F

Climate (2021–Present)

Moline Quad-City Airport (9.3 miles)

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  • Average Low 2021–2026

    42.9 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    64.1 °F
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