Weather forecast accuracy details for Windsor, 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
Microsoft   73.33% 77.78% 92.47% 93.55% 84.28%
The Weather Channel   72.22% 70.00% 93.55% 93.55% 82.33%
Foreca/Vaisala   66.67% 72.22% 94.62% 94.62% 82.03%
AerisWeather   68.89% 64.44% 94.62% 94.62% 80.65%
Weatherbit   70.59% 65.88% 92.05% 92.05% 80.14%
AccuWeather   68.89% 71.11% 88.17% 89.25% 79.35%
Pirate Weather   73.33% 53.33% 93.55% 93.55% 78.44%
Open-Meteo   72.22% 44.44% 90.32% 90.32% 74.33%
NWS Digital Forecast   66.67% 46.67% 90.32% 90.32% 73.49%
OpenWeather   73.33% 31.11% 90.32% 90.32% 71.27%
World Weather Online   48.89% 46.67% 83.87% 83.87% 65.82%
Wetter.com   61.11% 40.00% 64.52% 64.52% 57.54%
Persistence   45.33% 30.67% 64.10% 64.10% 51.05%

Weather Forecast Accuracy Data Last Year (2024)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   79.53% 77.75% 95.33% 95.33% 86.98%
Microsoft   77.40% 77.01% 93.84% 95.14% 85.84%
AccuWeather   78.57% 78.93% 92.90% 92.61% 85.75%
Foreca/Vaisala   70.80% 75.49% 95.52% 95.52% 84.33%
AerisWeather   74.27% 72.58% 94.96% 94.96% 84.19%
Weatherbit   73.75% 74.42% 93.28% 93.28% 83.68%
NWS Digital Forecast   73.74% 67.37% 92.69% 92.69% 81.62%
Pirate Weather   58.00% 51.22% 94.38% 94.38% 74.50%
OpenWeather   64.04% 46.29% 93.65% 93.65% 74.41%
World Weather Online   56.90% 52.58% 91.32% 91.32% 73.03%
Wetter.com   58.59% 54.08% 88.05% 86.09% 71.70%
Persistence   34.74% 48.16% 78.64% 78.64% 60.05%

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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