Weather forecast accuracy details for South Lake Tahoe, 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 (October)

Provider High Temp Low Temp Icon Precip Text Precip Overall
Foreca/Vaisala   91.40% 66.67% 96.77% 96.77% 87.90%
The Weather Channel   100.00% 53.76% 95.70% 95.70% 86.29%
Weather Underground   100.00% 53.76% 95.70% 95.70% 86.29%
AerisWeather   72.04% 64.52% 94.62% 94.62% 81.45%
NWS Digital Forecast   68.82% 56.99% 94.62% 94.62% 78.76%
AccuWeather   89.13% 30.11% 96.74% 96.74% 78.18%
Dark Sky   96.77% 17.20% 95.70% 95.70% 76.34%
Wetter   95.70% 0.00% 94.62% 94.62% 71.24%
Persistence   60.00% 53.62% 81.43% 81.43% 69.12%
Weather News   63.44% 24.73% 93.55% 93.55% 68.82%
World Weather Online   70.97% 6.45% 95.70% 95.70% 67.20%
OpenWeather   76.34% 5.38% 93.55% 93.55% 67.20%
Weatherbit   46.24% 4.30% 94.62% 94.62% 59.95%

Weather Forecast Accuracy Data Last Year (2021)

Provider High Temp Low Temp Icon Precip Text Precip Overall
AccuWeather   87.27% 55.59% 87.13% 88.79% 79.70%
The Weather Channel   84.04% 49.86% 91.74% 91.74% 79.34%
Foreca/Vaisala   77.93% 53.80% 92.35% 91.27% 78.84%
Weather Underground   84.23% 49.58% 90.05% 90.05% 78.47%
AerisWeather   67.42% 46.99% 89.64% 89.64% 73.42%
NWS Digital Forecast   67.17% 48.11% 87.62% 87.62% 72.63%
Dark Sky   72.58% 30.05% 90.52% 90.52% 70.92%
Weather News   60.94% 49.11% 79.44% 79.44% 67.23%
Wetter   61.60% 14.93% 88.17% 88.17% 63.22%
OpenWeather   42.35% 15.96% 86.57% 86.57% 57.86%
Persistence   41.53% 34.64% 75.59% 75.59% 56.84%
World Weather Online   34.27% 21.88% 84.51% 84.51% 56.29%
Weatherbit   23.82% 16.67% 87.03% 87.03% 53.64%

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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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