FrostDateCheck

North Bend, WA 98111 Frost Dates

North Bend, WA: when does the frost end?

Zone 9a

Typically, the last spring freeze lands around 04/23, roughly 238 days out. Fall's first freeze usually shows up around 11/01, roughly 193 days after the last spring frost.

North Bend sits in USDA Zone 9a (20 to 25°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 9 weeks until North Bend's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around North Bend's last frost

04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.

North Bend against the rest of the dataset

About 193 days separate North Bend's last and first frost, putting it 19,807 of 40,283 ZIP codes nationally. Within WA, it ranks 375 of 700.

Learn more

Before leaning on 98111's figures: zone vs. frost date explains why Zone 9a and North Bend's frost date answer different questions, while the frost range explains how to read the range around North Bend's dates instead of trusting one.