5-day weather forecast for Pompeii, Michigan

Weather forecast accuracy details for Lansing, Michigan

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
Weather Underground   60.92% 81.61% 75.86% 75.86% 73.56%
The Weather Channel   58.62% 78.16% 75.86% 75.86% 72.13%
MeteoGroup   64.37% 80.46% 70.11% 70.11% 71.26%
AccuWeather   54.02% 79.31% 74.71% 74.71% 70.69%
Dark Sky (forecast.io)   48.28% 66.67% 82.76% 82.76% 70.11%
NWS Digital Forecast   52.87% 78.16% 73.56% 73.56% 69.54%
Foreca   59.52% 67.86% 70.24% 70.24% 66.96%
World Weather Online   51.19% 28.57% 65.48% 65.48% 52.68%
Persistence   14.44% 31.11% 63.33% 63.33% 43.06%
Weather Forecast Accuracy Data Last Year
Provider High Temp Low Temp Icon Precip Text Precip Overall
Weather Underground   73.60% 72.35% 82.18% 82.18% 77.58%
The Weather Channel   73.80% 72.54% 81.89% 81.89% 77.53%
AccuWeather   72.17% 73.14% 79.90% 81.74% 76.74%
MeteoGroup   71.58% 75.43% 79.00% 79.00% 76.25%
Foreca   67.63% 68.89% 78.36% 78.36% 73.31%
Dark Sky (forecast.io)   65.13% 64.07% 78.52% 78.52% 71.56%
NWS Digital Forecast   67.39% 66.93% 70.83% 70.83% 68.99%
World Weather Online   63.26% 33.24% 70.76% 70.76% 59.50%
Persistence   28.67% 22.65% 53.70% 53.70% 39.68%
 
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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 white paper.

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