Mostly Sunny

Today

Mostly Sunny

75°

/ 59°

San Juan, Puerto Rico

5 Day Forecast

Weather Forecast Accuracy Last Month (January)

Microsoft

87.10%

The Weather Channel

86.02%

AerisWeather

82.80%

Weatherbit

81.99%

Foreca

80.91%

NWS Digital Forecast

78.12%

Pirate Weather

75.54%

Open-Meteo

64.25%

OpenWeather

63.71%

World Weather Online

58.33%

Persistence

58.33%

Wetter.com

49.46%

Where is AccuWeather?

Weather Forecast Accuracy Last Year (2025)

Microsoft

87.72%

The Weather Channel

87.33%

AerisWeather

85.86%

Foreca

85.31%

Weatherbit

83.24%

NWS Digital Forecast

78.23%

Pirate Weather

77.29%

OpenWeather

71.49%

World Weather Online

71.36%

Open-Meteo

68.62%

Persistence

65.72%

Wetter.com

63.12%

ForecastAdvisor Fact

93.5% of The Weather Channel's low temperature forecasts for San Juan were within 3 degrees of actual temperatures last month.

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