5-day weather forecast for Castaic, California

Weather forecast accuracy details for Van Nuys, 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
Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   76.19% 92.86% 100.00% 100.00% 92.26%
Weather Underground   77.38% 90.48% 100.00% 100.00% 91.96%
CustomWeather   63.10% 91.67% 100.00% 100.00% 88.69%
National Weather Service   60.71% 96.43% 100.00% 97.62% 88.69%
MeteoGroup   63.10% 91.67% 100.00% 100.00% 88.69%
AccuWeather   48.81% 96.43% 100.00% 100.00% 86.31%
WeatherBug   55.95% 89.29% 97.62% 97.62% 85.12%
Persistence   51.28% 83.33% 100.00% 100.00% 83.65%
Foreca   90.48% 42.86% 100.00% 100.00% 83.33%
Dark Sky (forecast.io)   45.24% 71.43% 100.00% 100.00% 79.17%
Weather Forecast Accuracy Data Last Year
Provider High Temp Low Temp Icon Precip Text Precip Overall
The Weather Channel   73.20% 70.80% 96.06% 96.06% 84.03%
MeteoGroup   66.19% 70.70% 94.81% 94.72% 81.60%
Foreca   62.00% 65.80% 95.59% 95.59% 79.74%
National Weather Service   66.86% 64.07% 95.29% 92.03% 79.56%
Weather Underground   63.22% 62.16% 95.79% 95.40% 79.14%
AccuWeather   58.43% 60.73% 95.50% 94.83% 77.37%
CustomWeather   60.34% 58.43% 95.02% 95.02% 77.20%
WeatherBug   56.56% 61.00% 93.29% 93.29% 76.03%
Persistence   35.76% 52.94% 90.44% 90.44% 67.39%
 
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