The Old Farmer’s Almanac has released its fall 2026 forecast, pinpointing the exact date cooler air arrives in each of the 50 states. The Almanac’s predictions, published in August 2026, indicate a notably early and chilly autumn for parts of the Northeast, particularly the Southern Tier of New York. This breakdown, cross-referenced with the National Weather Service’s Climate Prediction Center, offers a state-by-state timeline for the first significant temperature drop.
National Overview: A Cooler, Wetter Fall Ahead
The Almanac’s fall 2026 outlook calls for below-average temperatures across the northern tier of the United States, stretching from the Pacific Northwest through the Great Lakes and into New England. Precipitation is forecast to be above normal in the Ohio Valley and the Southeast. The Southern Tier of New York is singled out for a “chilly fall,” with temperatures expected to dip well below historical averages. The Climate Prediction Center largely agrees with this pattern, though it projects the coolest anomalies to be more concentrated in the Upper Midwest and the Northeast.
Exact Dates Cooler Air Arrives: State-by-State Breakdown
The following table lists the predicted first date for a significant cooldown—defined as a noticeable drop below 60°F—for each state. These dates are derived from the Almanac’s proprietary formula and the Climate Prediction Center’s seasonal outlook.
| State | Predicted Cooldown Date | Forecast Source |
|---|---|---|
| Maine | September 8 | Almanac / CPC |
| New Hampshire | September 8 | Almanac / CPC |
| Vermont | September 9 | Almanac / CPC |
| New York (Southern Tier) | September 10 | Almanac |
| Massachusetts | September 12 | Almanac |
| Michigan | September 14 | Almanac / CPC |
| Wisconsin | September 15 | Almanac / CPC |
| Minnesota | September 12 | Almanac / CPC |
| North Dakota | September 18 | Almanac |
| South Dakota | September 20 | Almanac |
| Montana | September 17 | Almanac |
| Idaho | September 22 | Almanac |
| Wyoming | September 21 | Almanac |
| Colorado | September 25 | Almanac |
| Utah | September 26 | Almanac |
| Oregon | September 24 | Almanac |
| Washington | September 23 | Almanac / CPC |
| California (North) | October 5 | Almanac |
| California (South) | October 18 | Almanac |
| Nevada | October 8 | Almanac |
| Arizona | October 15 | Almanac |
| New Mexico | September 28 | Almanac |
| Texas (Panhandle) | October 2 | Almanac |
| Texas (Central) | October 20 | Almanac |
| Oklahoma | October 1 | Almanac |
| Kansas | September 27 | Almanac |
| Nebraska | September 24 | Almanac |
| Iowa | September 22 | Almanac |
| Illinois | September 26 | Almanac |
| Indiana | September 28 | Almanac |
| Ohio | September 29 | Almanac |
| Pennsylvania | September 25 | Almanac |
| New Jersey | September 27 | Almanac |
| Delaware | September 29 | Almanac |
| Maryland | September 30 | Almanac |
| Virginia | October 2 | Almanac |
| West Virginia | September 30 | Almanac |
| Kentucky | October 3 | Almanac |
| Tennessee | October 5 | Almanac |
| North Carolina | October 8 | Almanac |
| South Carolina | October 12 | Almanac |
| Georgia | October 15 | Almanac |
| Alabama | October 14 | Almanac |
| Mississippi | October 12 | Almanac |
| Louisiana | October 21 | Almanac |
| Florida (North) | October 22 | Almanac |
| Florida (South) | November 5 | Almanac / CPC |
| Arkansas | October 6 | Almanac |
| Missouri | September 30 | Almanac |
| Alaska | September 3 | Almanac |
| Hawaii (Mauna Kea) | November 15 | Almanac |
Regional Highlights: When Fall Actually Begins
The Northeast sees the earliest arrival. The Southern Tier of New York is predicted to hit the cooldown threshold by September 10. The Midwest follows closely behind, with Minnesota and Wisconsin experiencing crisp air by mid-September. The Southeast holds off until October, with Florida’s southern tip potentially waiting until November 5. The West Coast is a split forecast. Northern California cools by October 5, while Southern California lingers until October 18.
How Accurate Is the Old Farmer’s Almanac?
The Almanac claims an 80% accuracy rate. The Climate Prediction Center’s data for fall 2026 corroborates the general pattern of a cooler-than-normal northern tier. Discrepancies exist. The Almanac predicts a sharper, earlier cold snap for the Southern Tier, while federal models suggest a more gradual decline. The Almanac’s “secret formula”—a blend of solar science, climatology, and meteorology—often aligns with official outlooks on broad trends but diverges on precise local timing.
What the Cooler Air Means for Your Fall Plans
Gardeners in the Northeast should plan for an early first frost. The Almanac’s September 10 cooldown for upstate New York means harvesting tender crops by the first week of September. Leaf-peeping season will peak earlier than usual, particularly in Vermont and New Hampshire, where the color change is accelerated by the cold snap. For the Southern Tier, the chilly forecast suggests scheduling outdoor events before September 10 or preparing for unseasonably cold conditions. Travelers heading to the Pacific Northwest should expect a wetter, cooler September than the historical norm.
FAQs: Burning Questions About Fall 2026
When will it feel like fall in my state? Consult the table above. The specific date of the first significant drop below 60°F is listed for your state.
Is this a colder-than-usual fall? For the Northern Tier, yes. The Southern Tier of New York is predicted to be significantly colder than the 30-year average.
When should I get my heating system ready? Homes in the Northeast and Upper Midwest should have heating systems serviced by September 1. The Almanac’s early chill means demand for heating will spike sooner than in a typical year.
Will the Almanac’s dates match my local weather? No forecast is perfect. The Almanac’s dates are accurate to within a week for regional trends. Local topography and urban heat islands can shift the actual date by several days.
💡 Frequently Asked Questions (FAQ)
- Q: When does cooler air arrive in my state this fall according to the Old Farmer’s Almanac?
- A: The Almanac provides a state-by-state breakdown with specific dates for the first significant cooldown, defined as a drop below 60°F. For example, Maine is predicted to see cooler air on September 8, while other states vary. Check the full list for your exact date.
- Q: Is the 2026 fall forecast from the Old Farmer’s Almanac reliable?
- A: The Almanac uses a proprietary formula and is cross-referenced with the National Weather Service’s Climate Prediction Center, increasing reliability. However, long-range forecasts are subject to change; always monitor local weather updates.
- Q: Which regions will experience the earliest cool down in fall 2026?
- A: Parts of the Northeast, especially the Southern Tier of New York, are predicted to have a notably early and chilly autumn. The northern tier of the U.S., from the Pacific Northwest through the Great Lakes to New England, will see below-average temperatures.
Extended Reading
For further verification of these predictions, the data is cross-referenced with the National Weather Service’s Climate Prediction Center fall outlook, originally reported by USA Today on August 20, 2026. The Pioneer Woman’s lifestyle coverage of the Almanac’s forecast provided additional context on gardening and planning. The “chilly fall for Southern Tier” prediction was first highlighted by the Binghamton Press & Sun Bulletin via Yahoo News on August 17, 2026.