Barstow Rainfall Forecast

  • 15%
  • No Rain
  • No Rain
  • 5%
  • 30%
  • 20%
  • 30%
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  • Rainfall Probability Forecast NOAA

  • Rain Today Real-Time

Barstow Rainfall Statistics

August Rainfall

Moline Quad-City Airport (9.3 miles)

  • Total Rainfall August

    4.7in

  • Daily Average August

    0.2in

  • Wettest Day 13 August, 2026

    1.4in

  • Wet Days August

    10/26 (38%)

Climate (2021–2025)

Moline Quad-City Airport (9.3 miles)

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  • Annual Average 2021–2025

    32.3in

  • Monthly Average 2021–2026

    2.7in

  • Daily Average 2021–2026

    0.1in

  • Wettest Day 20 May, 2025

    3.5in
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