Redmond, OR 97760 Frost Dates
97760, near Redmond, OR: the frost window
Around 06/09 is the usual last spring frost, about 285 days away. Fall's first freeze usually shows up around 09/14, roughly 98 days after the last spring frost.
Zone 6b (-5 to 0°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Redmond, not a forecast for this year.
Stretching the season past the first frost
Redmond's growing season runs out in roughly 2 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Redmond's last frost
06/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/17 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/26 and only about 1 year in 10 sees frost after that.
Redmond against the rest of the dataset
Redmond's growing season runs about 98 days, ranking 39,748 of 40,283 US ZIP codes measured here, longest to shortest. Within OR, it ranks 420 of 463.
Learn more
Two guides worth reading on 97760: zone vs. frost date, on why Zone 6b and Redmond's frost date answer different questions, and the frost range, on how to read the range around Redmond's dates instead of trusting one.