5-day weather forecast for Long Beach, California

Weather forecast accuracy details for Long Beach, 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 (August)
Provider High Temp Low Temp Icon Precip Text Precip Overall
AccuWeather   73.33% 94.44% 100.00% 100.00% 91.94%
Foreca   73.33% 93.33% 100.00% 100.00% 91.67%
The Weather Channel   64.44% 92.22% 100.00% 100.00% 89.17%
Weather Underground   64.44% 92.22% 100.00% 100.00% 89.17%
Aeris Weather   63.33% 91.11% 96.67% 96.67% 86.94%
NWS Digital Forecast   54.32% 93.83% 96.30% 96.30% 85.19%
Persistence   40.58% 79.41% 100.00% 100.00% 80.00%
Wetter   66.67% 10.00% 98.89% 98.89% 68.61%
World Weather Online   47.78% 30.00% 84.44% 84.44% 61.67%
Open Weathermap   61.11% 12.22% 82.22% 82.22% 59.44%
Weather News   40.70% 88.89% 100.00% 0.00% 57.40%
Weather Forecast Accuracy Data Last Year (2019)
Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   80.73% 90.32% 94.43% 94.61% 90.02%
AccuWeather   75.70% 91.06% 94.06% 94.24% 88.77%
Foreca   74.49% 89.85% 93.69% 93.69% 87.93%
Weather Underground   80.63% 90.41% 85.05% 94.34% 87.61%
NWS Digital Forecast   72.96% 80.84% 90.92% 90.92% 83.91%
Weather News   62.30% 76.43% 87.31% 52.58% 69.65%
World Weather Online   63.13% 33.33% 89.14% 89.14% 68.68%
Wetter   62.07% 27.51% 91.85% 91.85% 68.32%
Persistence   45.85% 65.66% 80.83% 80.83% 68.29%
 
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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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