Showers

Today

Chance Rain

35°

/ 17°

Islandia, New York

5 Day Forecast

Weather Forecast Accuracy Last Month (January)

Microsoft

87.64%

The Weather Channel

85.92%

Weatherbit

79.79%

AerisWeather

79.31%

Foreca

78.16%

World Weather Online

76.15%

NWS Digital Forecast

75.30%

Pirate Weather

74.14%

OpenWeather

72.99%

Open-Meteo

72.41%

Wetter.com

56.44%

Persistence

41.67%

Where is AccuWeather?

Weather Forecast Accuracy Last Year (2025)

The Weather Channel

88.98%

Microsoft

88.55%

Foreca

86.51%

AerisWeather

84.82%

Weatherbit

83.22%

NWS Digital Forecast

76.99%

Open-Meteo

75.93%

Pirate Weather

75.42%

OpenWeather

73.53%

World Weather Online

70.92%

Wetter.com

64.33%

Persistence

46.07%

ForecastAdvisor Fact

74.7% of The Weather Channel's low temperature forecasts for Islandia were within 3 degrees of actual temperatures last month.

Share

Further accuracy analysis

©2005-2026 ForecastWatch® — Intellovations, LLC. All rights reserved. For personal use only.

Duplication prohibited without prior written permission.

Data provided by ForecastWatch.com.


Check out our ClimateWatch newsletter for climate trends and forecasts, groundbreaking innovations, and actionable tips.