Forest Park, OK 73140 Frost Dates
Forest Park, OK: when does the frost end?
Typically, the last spring freeze lands around 04/02, roughly 217 days out. Fall's first freeze usually shows up around 11/05, roughly 217 days after the last spring frost.
Forest Park sits in USDA Zone 7b (5 to 10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 10 weeks until Forest Park's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Forest Park's last frost
04/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/18 and only about 1 year in 10 sees frost after that.
Forest Park against the rest of the dataset
At roughly 217 frost-free days, Forest Park places 13,559 of 40,283 ZIP codes in this dataset. Within OK, it ranks 263 of 764.
Learn more
Before leaning on 73140's figures: local microclimates explains what one yard in Forest Park can differ from the 73140 normal, while zone vs. frost date explains why Zone 7b and Forest Park's frost date answer different questions.