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Climate almanac

Edwardsville

Illinois, United States · 38.81°, -89.95°

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What is the weather like in Edwardsville in August?

In August, Edwardsville is typically 86°F (30°C) during the day and 68°F (20°C) at night. The month brings about 4.5 in (114 mm) of precipitation in total.

  • Average high86°F (30°C)
  • Average low68°F (20°C)
  • Precipitation4.5 in (114 mm)
  • Clear or mostly clear days12
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)