Snow

Today

Snow

32°

/ 6°

Petersham, Massachusetts

5 Day Forecast

Weather Forecast Accuracy Last Month (January)

Microsoft

82.44%

The Weather Channel

79.76%

Weatherbit

78.08%

AerisWeather

77.98%

Foreca

75.89%

Pirate Weather

69.64%

NWS Digital Forecast

68.04%

Open-Meteo

67.56%

OpenWeather

66.96%

World Weather Online

66.67%

Wetter.com

52.08%

Persistence

33.33%

Where is AccuWeather?

Weather Forecast Accuracy Last Year (2025)

Microsoft

86.25%

The Weather Channel

82.14%

AerisWeather

80.41%

Foreca

80.17%

Weatherbit

77.86%

NWS Digital Forecast

71.59%

Pirate Weather

70.52%

OpenWeather

68.43%

Open-Meteo

68.05%

World Weather Online

66.39%

Wetter.com

56.81%

Persistence

43.34%

ForecastAdvisor Fact

82.3% of Weatherbit's high temperature forecasts for Petersham were within 3 degrees of actual temperatures last year.

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