Weather forecast accuracy details for Los Angeles, California

These are the one- to three-day out accuracy percentages for high temperature, low temperature, icon forecast precipitation (both rain and snow), and text forecast precipitation (both rain and snow). Temperature accuracy is the percentage of forecasts within three degrees. Precipitation accuracy is the percentage of correct forecasts. The forecasts are collected in the evening.

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Weather Forecast Accuracy Data Last Month (February)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   87.65% 85.19% 85.71% 88.10% 86.66%
Weatherbit   89.33% 88.00% 83.33% 83.33% 86.00%
AerisWeather   83.33% 86.90% 86.21% 86.21% 85.66%
The Weather Channel   88.10% 89.29% 81.61% 81.61% 85.15%
Foreca/Vaisala   80.95% 88.10% 85.06% 85.06% 84.79%
AccuWeather   86.25% 85.00% 83.13% 74.70% 82.27%
Pirate Weather   80.95% 77.38% 81.61% 81.61% 80.39%
NWS Digital Forecast   69.05% 76.19% 85.06% 85.06% 78.84%
World Weather Online   83.33% 59.52% 83.91% 83.91% 77.67%
Open-Meteo   82.14% 61.90% 81.61% 81.61% 76.82%
OpenWeather   86.90% 52.38% 82.76% 82.76% 76.20%
Wetter   64.29% 57.14% 72.41% 72.41% 66.56%
Persistence   55.74% 68.85% 60.94% 60.94% 61.62%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   87.70% 93.48% 94.31% 94.31% 92.45%
Microsoft   85.96% 91.95% 94.10% 94.10% 91.53%
Foreca/Vaisala   83.75% 91.09% 91.92% 91.92% 89.67%
AccuWeather   82.17% 90.29% 91.71% 89.70% 88.47%
AerisWeather   80.17% 84.76% 91.09% 91.09% 86.78%
Weatherbit   77.62% 83.05% 92.60% 92.60% 86.47%
NWS Digital Forecast   78.72% 81.33% 89.72% 89.72% 84.87%
Wetter   62.99% 72.64% 86.23% 91.00% 78.21%
Pirate Weather   58.26% 51.62% 93.17% 93.17% 74.05%
OpenWeather   65.93% 42.88% 92.10% 92.10% 73.26%
Persistence   66.54% 69.24% 77.33% 77.33% 72.61%
World Weather Online   47.93% 59.75% 90.39% 90.39% 72.12%

If this data feeds your inner weather geek, you'll probably be interested in the amazing amount of weather data available from ForecastWatch. Likewise, if you're looking to assess your own forecasting accuracy or would like to make more informed decisions about a weather provider you're considering or already use, we can provide data to help you.

The data here is calculated from forecasts and observations collected and analyzed by ForecastWatch. If you would like more information about the methods, scientific approach, and the quality controls employed to ensure the data and analyses are of the highest quality, please read this overview.

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