Weather forecast accuracy details for San Pedro, 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 (December)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   91.40% 87.10% 91.40% 91.40% 90.32%
The Weather Channel   91.40% 86.02% 91.40% 91.40% 90.05%
Foreca/Vaisala   91.40% 77.42% 84.95% 84.95% 84.68%
AccuWeather   79.57% 72.04% 88.17% 92.47% 83.06%
NWS Digital Forecast   77.78% 80.00% 84.44% 84.44% 81.67%
AerisWeather   76.34% 77.42% 84.95% 84.95% 80.91%
Dark Sky   61.29% 77.42% 86.02% 86.02% 77.69%
Weather News   75.27% 60.22% 86.02% 86.02% 76.88%
World Weather Online   72.04% 56.99% 81.72% 81.72% 73.12%
Persistence   54.79% 52.63% 78.08% 78.08% 65.90%
Weatherbit   45.16% 37.63% 87.10% 87.10% 64.25%
Wetter   45.16% 27.96% 82.80% 82.80% 59.68%
OpenWeather   45.16% 30.11% 80.65% 80.65% 59.14%

Weather Forecast Accuracy Data Last Year (2022)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   81.37% 92.05% 95.25% 95.25% 90.98%
The Weather Channel   80.82% 91.87% 95.43% 95.43% 90.89%
AccuWeather   76.67% 90.00% 94.67% 95.19% 89.13%
Foreca/Vaisala   75.25% 89.13% 94.25% 94.25% 88.22%
AerisWeather   70.23% 85.57% 94.61% 94.61% 86.26%
NWS Digital Forecast   71.34% 86.27% 93.23% 93.23% 86.02%
Dark Sky   68.40% 83.29% 95.62% 95.62% 85.73%
Weather News   63.64% 82.69% 94.14% 94.14% 83.65%
World Weather Online   62.64% 47.80% 93.50% 93.50% 74.36%
Weatherbit   57.77% 50.05% 94.52% 94.52% 74.21%
Persistence   43.01% 66.35% 87.20% 87.20% 70.94%
OpenWeather   53.33% 39.82% 93.97% 93.97% 70.27%
Wetter   56.89% 28.86% 94.61% 94.61% 68.74%

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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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