Weather forecast accuracy details for Chula Vista, 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 (April)

Provider High Temp Low Temp Icon Precip Text Precip Overall
AccuWeather   61.54% 85.71% 91.03% 91.03% 82.33%
Weatherbit   61.54% 83.12% 89.74% 89.74% 81.04%
Pirate Weather   61.54% 79.22% 88.46% 82.05% 77.82%
NWS Digital Forecast   56.41% 77.92% 88.46% 88.46% 77.81%
Microsoft   63.16% 75.68% 82.89% 82.89% 76.16%
World Weather Online   39.74% 63.64% 91.03% 91.03% 71.36%
The Weather Channel   57.69% 49.35% 82.05% 82.05% 67.79%
OpenWeather   57.69% 35.06% 88.46% 88.46% 67.42%
Wetter.com   43.59% 50.65% 87.18% 87.18% 67.15%
AerisWeather   62.82% 42.86% 80.77% 80.77% 66.80%
Open-Meteo   46.15% 53.25% 83.33% 83.33% 66.52%
Foreca/Vaisala   61.54% 42.86% 80.77% 80.77% 66.48%
Persistence   55.81% 52.38% 72.09% 72.09% 63.10%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   89.38% 84.75% 95.08% 95.97% 91.29%
The Weather Channel   88.45% 82.35% 96.08% 96.08% 90.74%
AccuWeather   86.95% 82.55% 94.79% 94.60% 89.73%
Foreca/Vaisala   86.95% 81.03% 94.58% 94.58% 89.29%
AerisWeather   86.48% 76.90% 93.84% 93.84% 87.76%
Weatherbit   85.57% 77.83% 93.34% 93.34% 87.52%
NWS Digital Forecast   76.10% 70.88% 90.92% 90.92% 82.21%
Pirate Weather   76.81% 51.46% 95.24% 95.24% 79.68%
Wetter.com   55.02% 40.94% 93.28% 92.62% 70.47%
OpenWeather   68.08% 24.69% 92.44% 92.44% 69.41%
World Weather Online   60.73% 37.10% 89.70% 89.70% 69.31%
Open-Meteo   57.09% 34.74% 92.53% 92.53% 69.22%
Persistence   58.55% 55.88% 81.00% 81.00% 69.10%

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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