5-day weather forecast for Honolulu, Hawaii

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
AccuWeather	79.31%	98.85%	83.91%	81.61%	85.92%
CustomWeather	83.91%	98.85%	78.16%	78.16%	84.77%
The Weather Channel	94.19%	97.67%	68.60%	68.60%	82.27%
Intellicast	91.95%	96.55%	67.82%	67.82%	81.03%
Persistence	84.44%	75.56%	77.78%	77.78%	78.89%
NWS Digital Forecast	80.23%	84.88%	69.77%	69.77%	76.16%
National Weather Service	85.06%	89.66%	49.43%	49.43%	68.39%
World Weather Online	42.53%	73.56%	67.82%	67.82%	62.93%
Weather Underground	59.77%	85.06%	39.08%	39.08%	55.75%

Weather Forecast Accuracy Data Last Year
Provider	High Temp	Low Temp	Icon Precip	Text Precip	Overall
CustomWeather	90.41%	88.41%	66.38%	66.38%	77.90%
Persistence	90.90%	79.79%	69.83%	69.83%	77.59%
AccuWeather	90.39%	87.93%	62.27%	60.84%	75.36%
Intellicast	88.60%	89.65%	58.59%	58.59%	73.86%
The Weather Channel	89.34%	88.88%	58.21%	58.21%	73.66%
NWS Digital Forecast	91.96%	84.62%	55.26%	55.26%	71.78%
National Weather Service	47.86%	81.65%	53.53%	53.53%	59.14%

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