Frost dates for Paisley, OR
At Paisley, the median last spring frost (32°F) is Jun 6 and the median first fall frost is Sep 14, for a typical growing season of 98 days. For a 90% chance that the last frost has passed, wait until Jun 28. Nearby ZIP codes are in USDA hardiness zone 6b.
- Jun 6Last spring frost (median)50% chance of 32°F after this date
- Jun 28Safer planting date10% chance of 32°F after this date
- Sep 14First fall frost (median)50% chance of 32°F by this date
- 98 daysGrowing season (median)between 32°F freezes
Last spring frost dates
The chance that the temperature drops to the threshold after each date.
| Temperature | 90% chance later | 50% chance later | 10% chance later |
|---|---|---|---|
| 32°F | May 12 | Jun 6 | Jun 28 |
| 28°F | Apr 25 | May 10 | Jun 2 |
| 24°F | Apr 7 | Apr 23 | May 9 |
First fall frost dates
The chance that the temperature has dropped to the threshold by each date.
| Temperature | 10% chance by | 50% chance by | 90% chance by |
|---|---|---|---|
| 32°F | Aug 27 | Sep 14 | Sep 28 |
| 28°F | Sep 12 | Sep 28 | Oct 13 |
| 24°F | Sep 26 | Oct 10 | Oct 27 |
Growing season length
Days between the last spring and first fall freeze, as the length reached in 9, 5 and 1 out of 10 years.
| Temperature | 9 in 10 years at least | 5 in 10 years at least | 1 in 10 years at least |
|---|---|---|---|
| 36°F | 38 days | 66 days | 92 days |
| 32°F | 69 days | 98 days | 126 days |
| 28°F | 111 days | 138 days | 161 days |
| 24°F | 145 days | 169 days | 193 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 100% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 97636 | 6b | -5 to 0°F | 5 km |
Not the official USDA Plant Hardiness Zone Map. Zones shown here are the values published in the USDA-ARS / Oregon State University PRISM Group 2023 ZIP code tables, shown unaltered. For the official interactive map, visit planthardiness.ars.usda.gov.
About this station
- NOAA station ID USC00356426, at 42.6922, -120.5403, elevation 1329 m (4,360 ft).
- Data quality: Representative (10+ years), 20 years of freeze data.
- Average days per year at or below 32°F: 166.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Summer Lake 1 S (36 km)
- Lakeview 2 NNW (52 km)
- Bly 4 SE (53 km)
- Alkali Lake (54 km)
- Silver Lake Ranger Station (64 km)
- The Poplars (72 km)
- Gerber Dam (73 km)
- Hart Mountain Refuge (74 km)
Sources
- NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, annual/seasonal normals by station (version 1.0.1), file dated June 27, 2023; documentation.
- USDA Agricultural Research Service and PRISM Group, Oregon State University, 2023 Plant Hardiness Zone Map ZIP code tables (CONUS, Alaska, Hawaii, Puerto Rico), files dated November 17, 2023. Data © PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 1, 2026. Official map: planthardiness.ars.usda.gov.
- U.S. Census Bureau, 2024 Gazetteer ZIP Code Tabulation Areas file, dated August 30, 2024 (ZIP centroids used to find the nearest station).
Freeze dates are 30-year probabilities, not forecasts. Check your local forecast before planting tender plants.