...1693... The Acomack Storm on the Delmarva Peninsula changed the coastline.

...1917... The temperature at Denver CO dipped to zero, and at Soda Butte WY the mercury plunged to 33 degrees below zero, a U.S. record for the month of October.

...1942... A tornado struck the town of Berryville in northwest Arkansas killing 20 persons and causing half a million dollars damage.

...1956... A violent tornado, or series of tornadoes, moved along a path more than 100 miles in length from south of North Platte NE into Rock County NE. It was an unusually late occurrence so far north and west in the U.S. for such a storm.

...1965... Los Angeles had a record long duration of heat and smog. The event lasted from the 20th to the 29th and temperatures rose into the 90's each day.

...1980... The low temperature bottomed out at 27 degrees at Newport, Rhode Island, breaking the record of 31 degrees set back in 1959.

...1985... Hurricane Juan, a rather large category 1 storm, meandered on near the Louisiana coast until the 31st when it finally made landfall on the Alabama coast. The slow movement of the storm resulted in excessive rains in Louisiana with many places receiving over 10 inches. Galliano, Louisiana checked in with a storm total of 17.73 inches. Inland flooding combined with a 8 foot storm surge resulted in damage well over $500 million.

...1987... Severe thunderstorms in Arizona produced wind gusts to 86 mph at the Glendale Airport near Phoenix, baseball size hail and 70 mph winds at Wickenburg, and up to an inch of rain in fifteen minutes in Yavapai County and northwest Maricopa County. Arizona Public Service alone reported 2.5 million dollars damage from the storms.

...1988... Wintry weather prevailed in the Upper Midwest. South Bend IN equaled their record for October with a morning low of 23 degrees. International Falls MN reported a record low of 11 degrees in the morning, then dipped down to 8 degrees above zero late in the evening.

...1989... Thunderstorms developing along a cold front produced severe weather in Oklahoma and north central Texas during the late afternoon and evening hours. Thunderstorms in Oklahoma produced weak tornadoes near Snyder and Davidson, and produced hail two inches in diameter at Altus. Large hail damaged 60 to 80 percent of the cotton crop in Tillman County OK. Nine cities in the northeastern U.S. reported record high temperatures for the date as readings warmed into the 70s. For Marquette MI it marked their fifth straight day of record warmth. Arctic cold invaded the western U.S. Lows of 7 degrees at Alamosa CO and 9 degrees at Elko NV were records for the date.

...1991... Bismarck, North Dakota received 15.9 inches of snow on the 28th and 29th. This brought the October snowfall total to 23.5 inches which set a new record for the amount of snow in October. The previous record was 11.4 inches in 1919.

...2005... Boston, Massachusetts recorded 1.1 inches of snow for its greatest October snowfall. Up to 3 inches fell along coast just to the northeast at Gloucester and Rockport.

...2011... At Newport, Rhode Island a snowfall of 0.1 inches was recorded, the only measurable snowfall for the date since 1893.