Frost dates for Erie Intl Airport, PA
At Erie Intl Airport, the median last spring frost (32°F) is Apr 26 and the median first fall frost is Nov 4, for a typical growing season of 192 days. For a 90% chance that the last frost has passed, wait until May 13. Nearby ZIP codes are in USDA hardiness zones 6a to 7a.
- Apr 26Last spring frost (median)50% chance of 32°F after this date
- May 13Safer planting date10% chance of 32°F after this date
- Nov 4First fall frost (median)50% chance of 32°F by this date
- 192 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 23 | May 7 | May 21 |
| 32°F | Apr 10 | Apr 26 | May 13 |
| 28°F | Mar 31 | Apr 11 | Apr 25 |
| 24°F | Mar 16 | Apr 1 | Apr 15 |
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 | Oct 8 | Oct 23 | Nov 6 |
| 32°F | Oct 21 | Nov 4 | Nov 17 |
| 28°F | Nov 2 | Nov 16 | Dec 3 |
| 24°F | Nov 12 | Nov 28 | Dec 15 |
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 | 148 days | 170 days | 189 days |
| 32°F | 171 days | 192 days | 214 days |
| 28°F | 198 days | 219 days | 240 days |
| 24°F | 220 days | 241 days | 265 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 |
|---|---|---|---|
| 16506 | 6b | -5 to 0°F | 3 km |
| 16415 | 6b | -5 to 0°F | 6 km |
| 16505 | 7a | 0 to 5°F | 6 km |
| 16502 | 6b | -5 to 0°F | 8 km |
| 16508 | 6b | -5 to 0°F | 8 km |
| 16501 | 7a | 0 to 5°F | 9 km |
| 16550 | 7a | 0 to 5°F | 10 km |
| 16507 | 7a | 0 to 5°F | 10 km |
| 16546 | 6b | -5 to 0°F | 11 km |
| 16503 | 6b | -5 to 0°F | 11 km |
| 16509 | 6b | -5 to 0°F | 11 km |
| 16504 | 6b | -5 to 0°F | 12 km |
| 16426 | 6a | -10 to -5°F | 12 km |
| 16423 | 7a | 0 to 5°F | 15 km |
| 16417 | 6b | -5 to 0°F | 16 km |
| 16563 | 6b | -5 to 0°F | 17 km |
| 16511 | 7a | 0 to 5°F | 18 km |
| 16510 | 6b | -5 to 0°F | 19 km |
| 16412 | 6a | -10 to -5°F | 22 km |
| 16421 | 6b | -5 to 0°F | 22 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 USW00014860, at 42.0800, -80.1825, elevation 222 m (730 ft).
- Data quality: Standard (24+ years of data), 30 years of freeze data.
- Average days per year at or below 32°F: 111.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Union City Filtration Plant (33 km)
- Springboro 3 WNW (36 km)
- Port Meadville Airport (51 km)
- Linesville 1 S (52 km)
- Titusville Wtr Wks (64 km)
- Jamestown 2 NW (69 km)
- Chandlers Valley 1se (75 km)
- Franklin (81 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.