09/09/2026
Average First Frost Dates for US Cities with a 30% Probability:
8/26 Fairbanks, AK
9/9 Baker, OR
9/16 Bozeman, MT
9/16 Lake Placid, NY
9/23 Bismarck, ND
9/26 Duluth, MN
9/26 Cheyenne, WY
9/29 Concord, NH
9/30 Bangor, MA
10/1 Billings, MT
10/4 Madison, WI
10/6 Denver, CO
10/9 Albany, NY
10/12 Omaha, NE
10/14 Des Moines, IA
10/21 Indianapolis, IN
10/22 Columbus, OH
10/22 Pittsburg, Pennsylvania
10/26 Lexington, KY
10/28 Chicago, IL
10/30 Charlotte, NC
10/31 Dover, DE
11/3 Birmingham, AL
11/3 Boston, MA
11/3 Atlanta, GA
11/5 Philadelphia, PE
11/12 Washington, D.C.
11/15 Dallas, TX
11/17 Baton Rouge, LA
11/28 Mobile, AL
11/28 Las Vega, NV
11/30 Tucson, AZ
11/7 Sacremento, CA
12/8 Houston, TX
1/3 Tampa, FL
And some of ya’ll live frost free all year!
I pulled this information from the Farmer’s Almanac. You can also find your own city’s first and last frost dates from your State’s DNR webpage.