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Climate almanac

Winfield

Illinois, United States · 41.86°, -88.16°

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What is the weather like in Winfield in August?

In August, Winfield is typically 82°F (28°C) during the day and 64°F (18°C) at night. The month brings about 3.5 in (89 mm) of precipitation in total.

  • Average high82°F (28°C)
  • Average low64°F (18°C)
  • Precipitation3.5 in (89 mm)
  • Clear or mostly clear days12
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)