O Fallon, Missouri

5 Day Forecast

Weather Forecast Accuracy Last Month (July)

Microsoft

82.53%

The Weather Channel

78.76%

Weatherbit

77.69%

Foreca

75.00%

AerisWeather

74.73%

Pirate Weather

70.16%

Wetter.com

68.82%

NWS Digital Forecast

68.21%

OpenWeather

64.37%

Open-Meteo

56.72%

World Weather Online

55.11%

Persistence

25.00%

Where is AccuWeather?

Weather Forecast Accuracy Last Year (2024)

Microsoft

81.96%

The Weather Channel

80.90%

Foreca

78.32%

Weatherbit

76.78%

AerisWeather

76.33%

NWS Digital Forecast

71.67%

Pirate Weather

69.69%

Open-Meteo

68.02%

OpenWeather

64.47%

Wetter.com

63.65%

World Weather Online

63.37%

Persistence

45.71%

ForecastAdvisor Fact

40.2% of Persistence's low temperature forecasts for O Fallon were off by more than 10 degrees last year.

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