Weather forecast accuracy details for Ramona, 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 (March)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   97.85% 65.59% 86.02% 89.25% 84.68%
AccuWeather   95.56% 65.56% 85.56% 84.44% 82.78%
The Weather Channel   91.40% 49.46% 89.25% 89.25% 79.84%
Foreca/Vaisala   93.55% 54.84% 84.95% 84.95% 79.57%
NWS Digital Forecast   97.78% 45.56% 83.33% 83.33% 77.50%
Weatherbit   91.30% 44.57% 85.87% 85.87% 76.90%
AerisWeather   89.25% 43.01% 84.95% 84.95% 75.54%
Pirate Weather   73.12% 29.03% 91.40% 91.40% 71.24%
Open-Meteo   77.42% 40.86% 82.80% 82.80% 70.97%
OpenWeather   73.12% 26.88% 82.80% 82.80% 66.40%
Wetter   68.82% 33.33% 79.57% 79.57% 65.32%
World Weather Online   74.19% 29.03% 70.97% 70.97% 61.29%
Persistence   41.10% 35.62% 43.84% 43.84% 41.10%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Microsoft   83.96% 68.53% 92.69% 92.69% 84.47%
AccuWeather   85.40% 65.02% 92.52% 92.14% 83.77%
Foreca/Vaisala   81.38% 65.36% 92.80% 92.80% 83.08%
The Weather Channel   87.34% 53.54% 93.26% 93.26% 81.85%
Weatherbit   79.11% 41.68% 92.31% 92.31% 76.36%
AerisWeather   79.89% 41.25% 91.04% 91.04% 75.81%
NWS Digital Forecast   67.90% 40.62% 90.98% 90.98% 72.62%
OpenWeather   66.39% 26.91% 91.51% 91.51% 69.08%
World Weather Online   59.36% 33.92% 91.21% 91.21% 68.92%
Wetter   57.91% 28.86% 90.03% 90.58% 66.85%
Pirate Weather   55.18% 25.21% 92.59% 92.59% 66.39%
Persistence   35.65% 36.71% 74.82% 74.82% 55.50%

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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