2018 Long Range Weather Forecast for Princeton, IN

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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

AUGUST 2017: temperature 72° (1° below avg.); precipitation 3" (1" below avg.); Aug 1-4: Sunny, cool; Aug 5-19: Scattered t-storms, warm; Aug 20-24: Sunny, warm; Aug 25-31: T-storms, then sunny, cool.

SEPTEMBER 2017: temperature 69° (2° above avg.); precipitation 5" (2" above avg.); Sep 1-4: T-storms, then sunny, cool; Sep 5-11: A few t-storms, warm; Sep 12-15: Sunny, cool; Sep 16-22: Scattered t-storms, warm; Sep 23-26: Sunny, cool; Sep 27-30: Showers.

Annual Weather Summary: November 2017 to October 2018

Winter will be warmer than normal, with slightly above-normal precipitation and below-normal snowfall. The coldest periods will be in early to mid-December, late December, early January, and early and mid-February. The snowiest periods will be in mid-December, early February, and mid-March. April and May will be cooler and rainier than normal. Summer will be hotter and slightly rainier than normal, with the hottest periods in early July, early August, and mid- to late August. September and October will be rainier and warmer than normal.

Map showing Old Farmer's Almanac long range weather region number 7

About the Ohio Valley Region

The Ohio Valley long range weather region includes all or part of the following states: ILLINOIS (Belleville, Collinsville, East Saint Louis, Granite City, O'Fallon), INDIANA (Bloomington, Columbus, Evansville, Indianapolis, Richmond), KENTUCKY (Bowling Green, Covington, Lexington, Louisville, Middlesboro, Owensboro), MISSOURI (Cape Girardeau, Jackson, Perryville, Poplar Bluff, Sikeston), OHIO (Cincinnati, Columbus, Dayton, Hamilton, Springfield), PENNSYLVANIA (Bethel Park, Monroeville, Mount Lebanon, Pittsburgh, Plum), VIRGINIA (Abingdon, Big Stone Gap, Bluefield, Bristol, Marion), WEST VIRGINIA (Charleston, Huntington, Morgantown, Parkersburg, Wheeling).

Ohio Valley Neighboring Regions

Here are the regions that neighbor the Ohio Valley long range weather region:

Temperature and Precipitation November 2017 to October 2018

Temperature and Precipitation Graph