Fall 2026 Extended Weather Forecast: When Will It Cool Off?

Fall officially began on Tuesday, September 22, 2026, at 8:05 p.m. EDT, with the arrival of the autumnal equinox. So when will cooler weather settle in, and where could early snow arrive? Here’s the Farmers’ Almanac extended fall forecast for the United States and Canada, with a look at Halloween, too.

Fall Weather Forecast 2026: United States

A Slow Start, Then a Sharper Chill

The Farmers’ Almanac forecast called for warmth to linger across much of the country in September, with cooler conditions gradually spreading southward as fall progressed. October’s outlook brings more frequent cool spells, rain, and windy stretches, while November turns colder across much of the northern tier. farmersalmanac.com

October 2026

October’s forecast points to a changeable month, with cool, wet spells across several regions. The Northeast is expected to see a mix of mild, sunny days and cooler, unsettled weather. The Great Lakes, Ohio Valley, and Midwest could turn colder and wetter in the middle of the month, while the Southeast may see heavy rain and cooler conditions in parts of Alabama, Mississippi, Tennessee, and Georgia.

The forecast also calls for cool, unsettled stretches in the North Central and South Central states. In the Northwest and Southwest, expect a mix of fair weather, rain, and cooler spells as the month goes on.

Halloween falls on Saturday, October 31. The forecast calls for chilly conditions in much of the country, with rain possible in parts of the Northeast, Midwest, Southeast, South Central states, and Northwest.

November 2026

November brings a more winterlike pattern to the northern states. The forecast calls for cold conditions across the North Central states, with snow possible in the Dakotas and mountains. Snow or a rain-and-snow mix is also possible in parts of the Great Lakes and northern New England. The Northwest may see rain and mountain snow later in the month.

The South is expected to have a mix of mild and cooler periods, with rain possible across parts of the Southeast and South Central states. Thanksgiving week could bring rain to portions of the Midwest, Northeast, and South, while mountain areas may see a mix of rain and snow.

Coldest Conditions

The more persistent chill is expected across the northern tier, including the North Central states, Great Lakes, and interior Northeast, especially as November progresses. Higher elevations may turn colder sooner, while the South is forecast to have more breaks of milder weather.

For average first-frost timing in your area, see our 2026 first frost dates. Actual frost and freeze dates vary by location and year.

Rain and Snow

The October forecast favors wet spells across parts of the Northeast, Midwest, Southeast, and Northwest. As temperatures drop in November, snow becomes more likely in the Great Lakes, northern New England, northern Rockies, and higher elevations. Farther south, precipitation is more likely to fall as rain, though colder outbreaks can bring a mix in some areas.

For a specific town or province, check the regional long-range weather forecast and your local forecast before making plans.

Fall Weather Forecast 2026: Canada

Canada’s October forecast calls for chilly, changeable weather, with patchy frost and rain in several regions. Snow is possible in northern Ontario and Quebec, the Prairies, Labrador, and higher elevations of British Columbia. Around Halloween, the forecast calls for cool conditions, with snow possible across central and northern parts of the country.

November’s outlook turns colder, with snow and mixed precipitation increasingly possible across the Prairies, Ontario, Quebec, and Labrador. British Columbia’s coast could see rain, while snow is possible inland and in the mountains.

Whether you’re planning a leaf-peeping drive, a Halloween outing, or Thanksgiving travel, keep an eye on the local forecast. Long-range outlooks describe broad patterns, and conditions can change as the dates get closer. For peak-color timing, see our 2026 fall foliage forecast.