Frost dates for Toledo FAA Airport, WA
At Toledo FAA Airport, the median last spring frost (32°F) is Apr 5 and the median first fall frost is Oct 25, for a typical growing season of 196 days. For a 90% chance that the last frost has passed, wait until May 4. Nearby ZIP codes are in USDA hardiness zones 8a to 8b.
- Apr 5Last spring frost (median)50% chance of 32°F after this date
- May 4Safer planting date10% chance of 32°F after this date
- Oct 25First fall frost (median)50% chance of 32°F by this date
- 196 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 |
|---|---|---|---|
| 36°F | Apr 6 | May 2 | May 30 |
| 32°F | Mar 12 | Apr 5 | May 4 |
| 28°F | Feb 15 | Mar 10 | Apr 8 |
| 24°F | Dec 21 | Feb 21 | Mar 13 |
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 |
|---|---|---|---|
| 36°F | Sep 8 | Oct 2 | Oct 31 |
| 32°F | Sep 24 | Oct 25 | Nov 20 |
| 28°F | Oct 6 | Nov 9 | Dec 14 |
| 24°F | Oct 22 | Nov 26 | Jan 19 |
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 | 112 days | 151 days | 189 days |
| 32°F | 156 days | 196 days | 237 days |
| 28°F | 202 days | 245 days | 288 days |
| 24°F | 242 days | 291 days | 342 days |
Chance of a freeze in any year
| Temperature | Chance per year |
|---|---|
| 36°F | 100% |
| 32°F | 100% |
| 28°F | 100% |
| 24°F | 96% |
ZIP codes whose closest station is this one
| ZIP | Hardiness zone | Avg. extreme low | Distance |
|---|---|---|---|
| 98591 | 8a | 10 to 15°F | 7 km |
| 98542 | 8a | 10 to 15°F | 9 km |
| 98596 | 8a | 10 to 15°F | 10 km |
| 98565 | 8a | 10 to 15°F | 13 km |
| 98593 | 8b | 15 to 20°F | 17 km |
| 98645 | 8b | 15 to 20°F | 17 km |
| 98581 | 8b | 15 to 20°F | 24 km |
| 98538 | 8a | 10 to 15°F | 25 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 USW00024241, at 46.4833, -122.8167, elevation 116 m (379 ft).
- Data quality: Representative (10+ years), 15 years of freeze data.
- Average days per year at or below 32°F: 54.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Mayfield Power Plant (17 km)
- Centralia (28 km)
- Longview (38 km)
- Glenoma (52 km)
- Olympia Airport (55 km)
- Grays River Hatchery (58 km)
- Cougar 6 E (66 km)
- Raymond 2 S (72 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.