Weather Data Sources & Providers

Global Data:

Degree Days.net
An excellent source of free, global heating and cooling degree day data.

U.S. Weather Data:

Historical Heating & Cooling Degree Day Data
From the NOAA

Weekly Degree Day Assessment
From the Climate Prediction Center

Weekly Heating Degree Day Forecast
From the Climate Prediction Center

Weekly Cooling Degree Day Forecast
From the Climate Prediction Center

Degree Day Map – most recent week
From the Climate Prediction Center

Degree Days Totals & Deviations from Normal
From the Climate Prediction Center

New York State Heating Degree Day Data
From the NYS Energy Research and Development Authority

Heating Degree-Days by Month, 1949-2006
From the U.S. Energy Information Administration

Cooling Degree-Days by Month, 1949-2006
From the U.S. Energy Information Administration

Heating Degree-Days by Census Division, 1949-2006
From the U.S. Energy Information Administration

Cooling Degree-Days by Census Division, 1949-2006
From the U.S. Energy Information Administration

Monthly Heating Degree Day Records 1949-present
From Meteorology Services

Monthly Cooling Degree Day Records 1949-present
From Meteorology Services

UK Data:

Monthly UK Degree Day Data
From Vesma.com – The Energy Management Register

Standard heating and cooling degree days for the UK
From Vesma.com – The Energy Management Register

20-year average heating degree days for the UK
From Vesma.com – The Energy Management Register

Subscription / Paid for Services:

We’ll be adding a list of weather data providers very soon. If you’d like a link to your service adding please contact us.