FrostDateCheck

Oshkosh, NE 69154 Frost Dates

69154, near Oshkosh, NE: the frost window

Zone 5b

The last spring frost here typically falls around 05/09, about 254 days from today. Fall's first freeze usually shows up around 10/02, roughly 144 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Oshkosh in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

Stretching the season past the first frost

Oshkosh's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

How much risk comes with planting early here

05/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/22 and only about 1 year in 10 sees frost after that.

Oshkosh against the rest of the dataset

At roughly 144 frost-free days, Oshkosh places 36,417 of 40,283 ZIP codes in this dataset. Within NE, it ranks 559 of 605.

Learn more

Two guides worth reading on 69154: the frost range, on how to read the range around Oshkosh's dates instead of trusting one, and local microclimates, on what one yard in Oshkosh can differ from the 69154 normal.