The Old Farmer's Almanac's extended forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to gardening, hiking, and other outdoor activities. The Old Farmer’s Almanac Long Range Weather Forecasts show deviations from normal temperatures and precipitation amounts, based on 30-year rolling averages gathered by government meteorological agencies, specifically NOAA and Environment Canada. Forecasting methodologies vary by service and constitute the best estimate of each. Army Medical Research and Materiel Command; Army Corps of Engineers Military Construction National Weather Service (NWS) Forecast Products The National Weather Service and its 121 local forecast offices issue local weather forecasts, and watches and warnings to protect life and property from acute short-term threats due to severe weather events. (Click Zones for Extended Weather Outlook) - View the 2020 North American Outlook Army. In summary, ENSO-neutral is favored to continue through the summer, with a 50-55% chance of La Niña development during Northern Hemisphere fall 2020 and continuing through winter 2020-21 (~50% chance; click CPC/IRI consensus forecast for the chance of … Oct November 2020 . Future acquisition forecasts are prepared by a number of organizations within DoD. Toggle navigation. Long range weather forecast from now until 2021. See long range weather forecasts for the next 60 days for the Northeast Region. Free Long Range Weather Forecast for Brisbane, State of Queensland. Click here for detailed city forecasts for the next 12 months! Enter any city, zip or place. WeatherTAB Brisbane, State of Queensland Help °C °F. AccuWeather meteorologists answer that and more in the 2020 U.S. fall forecast. See long range weather forecasts for the next 60 days for the Heartland Region. LONG-RANGE U.S./CANADA ZONE FORECASTS. The averages from 1981 to 2010 are the latest available data; these numbers are updated every 10 years. From the most trusted source for weather for over 200 years. Calendar overview of Months Weather Forecast. Forecast information is provided for planning purposes and is subject to change. Another of the many products available is the GFS-Based 8-Day Guidance. NEW 12-Month Precipitation and Temperature Long-Range Forecasts. The Old Farmer's Almanac's extended forecasts can be used to make more informed decisions about future plans that depend on the weather, from vacations and weddings to gardening, hiking, and other outdoor activities. Toggle navigation. Temperature: December 2020: December-January-February 2020/21: January-February-March 2021: February-March-April 2021: March-April-May 2021: April-May-June 2021 It's been a noticeably hot summer across the U.S. but when summer officially ends on …