Partly Sunny/Partly Cloudy

Today

Partly Sunny

77°

/ 57°

Upper Marlboro, Maryland

5 Day Forecast

Weather Forecast Accuracy Last Month (July)

Microsoft

91.67%

Weatherbit

88.28%

NWS Digital Forecast

84.55%

The Weather Channel

83.89%

Foreca

82.50%

AerisWeather

82.22%

Pirate Weather

79.17%

Open-Meteo

71.11%

World Weather Online

66.67%

Wetter.com

65.58%

OpenWeather

61.90%

Persistence

46.53%

Where is AccuWeather?

Weather Forecast Accuracy Last Year (2024)

The Weather Channel

85.88%

Foreca

84.66%

AerisWeather

84.06%

Microsoft

83.61%

Weatherbit

83.44%

NWS Digital Forecast

79.20%

Pirate Weather

71.85%

Open-Meteo

70.92%

Wetter.com

67.18%

OpenWeather

67.18%

World Weather Online

64.61%

Persistence

46.79%

ForecastAdvisor Fact

On average, World Weather Online's high temperature forecasts for Upper Marlboro were off by 3.40 degrees last month.

Share

Further accuracy analysis

©2005-2025 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.