2018 Long Range Weather Forecast for Willimantic, CT

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How to Read Long-Range Weather Forecasts

Long-range predictions show weather trends in temperatures and precipitation. For example, will the winter be colder or warmer than average? Will there be more or less snow than what's typical for your area?  Our famous predictions (traditionally 80% accurate) are made 18 months in advance, and meant to help you make more informed decisions for long-term planning.

Here on Almanac.com, we provide free long-range forecasts for the next 30 to 60 days covering U.S. and Canadian regions. Find all 12 months of predictions in the annual Old Farmer's Almanac.

Free 2-Month Weather Forecast

SEPTEMBER 2017: temperature 69° (2° above avg.); precipitation 4.5" (1" above avg.); Sep 1-7: A few showers; cool, then warm; Sep 8-11: Sunny, warm; Sep 12-17: A few showers, cool; Sep 18-20: Sunny, warm; Sep 21-26: T-storms, then sunny, cool; Sep 27-30: Heavy rain arriving.

OCTOBER 2017: temperature 55° (1° below avg.); precipitation 2.5" (1" below avg.); Oct 1-4: Sunny, cool; Oct 5-15: Showers, then sunny, cold; Oct 16-20: Sunny, warm; Oct 21-31: Showers; cool north, mild south.

Annual Weather Summary: November 2017 to October 2018

Map showing Old Farmer's Almanac long range weather region number 2

About the Atlantic Corridor Region

The Atlantic Corridor long range weather region includes all or part of the following states: CONNECTICUT (Bridgeport, Hartford, New Haven, Stamford, Waterbury), DELAWARE (Bear, Dover, Hockessin, Newark, Wilmington), DISTRICT OF COLUMBIA (Friendship Heights, Washington), MARYLAND (Baltimore, Columbia, Dundalk, Ellicott City, Silver Spring), MASSACHUSETTS (Boston, Brockton, Cambridge, Springfield, Worcester), NEW JERSEY (Edison, Elizabeth, Jersey City, Newark, Paterson), NEW YORK (Brentwood, Hempstead, New Rochelle, New York, Yonkers), PENNSYLVANIA (Chester, Levittown, Norristown, Philadelphia, Radnor), RHODE ISLAND (Cranston, East Providence, Pawtucket, Providence, Warwick), VIRGINIA (Alexandria, Arlington, Hampton, Newport News, Richmond).

Atlantic Corridor Neighboring Regions

Here are the regions that neighbor the Atlantic Corridor long range weather region:

Temperature and Precipitation November 2017 to October 2018

Temperature and Precipitation Graph