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
The Weather Channel   95.24% 78.57% 90.80% 90.80% 88.85%
Microsoft   92.21% 79.22% 87.50% 90.00% 87.23%
NWS Digital Forecast   90.48% 73.81% 90.80% 90.80% 86.47%
AerisWeather   84.52% 78.57% 90.80% 90.80% 86.18%
Foreca/Vaisala   79.76% 72.62% 89.66% 89.66% 82.92%
Weatherbit   95.95% 70.27% 81.82% 81.82% 82.46%
World Weather Online   78.57% 82.14% 81.61% 81.61% 80.98%
OpenWeather   88.10% 64.29% 83.91% 83.91% 80.05%
AccuWeather   90.77% 61.54% 88.24% 77.94% 79.62%
Pirate Weather   67.86% 63.10% 85.06% 85.06% 75.27%
Open-Meteo   77.38% 55.95% 81.61% 81.61% 74.14%
Wetter   28.57% 61.90% 79.31% 77.01% 61.70%
Persistence   40.98% 67.21% 59.38% 59.38% 56.74%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   87.38% 91.16% 96.42% 96.42% 92.85%
Microsoft   85.44% 91.41% 95.87% 95.87% 92.14%
Foreca/Vaisala   81.58% 88.40% 95.78% 95.78% 90.38%
AccuWeather   87.38% 88.44% 93.71% 91.80% 90.33%
AerisWeather   81.77% 85.91% 92.47% 92.47% 88.15%
NWS Digital Forecast   81.32% 86.06% 91.29% 91.29% 87.49%
Weatherbit   76.27% 81.83% 94.26% 94.26% 86.66%
Wetter   62.98% 75.97% 92.38% 91.83% 80.79%
OpenWeather   69.80% 46.69% 93.76% 93.76% 76.00%
Pirate Weather   65.74% 45.43% 94.94% 94.94% 75.26%
World Weather Online   55.62% 62.73% 90.68% 90.68% 74.93%
Persistence   55.76% 63.98% 81.07% 81.07% 70.47%

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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