Weather forecast accuracy details for Stockton, 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.

Click on the headers to sort by that column.

Weather Forecast Accuracy Data Last Month (March)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   94.62% 84.95% 90.32% 90.32% 90.05%
Weatherbit   87.10% 88.17% 91.40% 91.40% 89.52%
AccuWeather   92.22% 77.78% 93.33% 94.44% 89.44%
NWS Digital Forecast   91.40% 89.25% 87.10% 87.10% 88.71%
Foreca/Vaisala   91.40% 80.65% 90.32% 90.32% 88.17%
AerisWeather   92.47% 82.80% 88.17% 88.17% 87.90%
Microsoft   91.11% 83.33% 87.78% 86.67% 87.22%
World Weather Online   47.31% 69.89% 84.95% 84.95% 71.77%
Pirate Weather   46.24% 54.84% 90.32% 90.32% 70.43%
OpenWeather   44.09% 64.52% 86.02% 86.02% 70.16%
Open-Meteo   52.69% 61.29% 82.80% 82.80% 69.89%
Wetter   72.04% 56.99% 68.82% 66.67% 66.13%
Persistence   56.16% 47.95% 56.16% 56.16% 54.11%

Weather Forecast Accuracy Data Last Year (2023)

Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   90.05% 87.49% 96.44% 96.44% 92.60%
Microsoft   86.94% 87.03% 95.68% 95.68% 91.33%
AccuWeather   89.67% 85.89% 94.12% 92.89% 90.64%
Foreca/Vaisala   88.13% 83.47% 94.98% 94.98% 90.39%
AerisWeather   87.21% 83.84% 94.34% 94.34% 89.93%
NWS Digital Forecast   83.93% 82.46% 91.60% 91.60% 87.40%
Weatherbit   76.91% 79.02% 93.38% 93.38% 85.67%
Wetter   80.91% 63.93% 95.07% 92.05% 82.99%
Pirate Weather   64.84% 47.44% 94.78% 94.78% 75.46%
OpenWeather   58.90% 54.89% 92.69% 92.69% 74.79%
World Weather Online   51.00% 51.67% 91.69% 91.69% 71.51%
Persistence   48.17% 44.43% 79.95% 79.95% 63.12%

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.

Please contact us with whatever custom needs you may have. We would love to help!