Frost dates for Everett, PA
At Everett, the median last spring frost (32°F) is Apr 27 and the median first fall frost is Oct 17, for a typical growing season of 170 days. For a 90% chance that the last frost has passed, wait until May 16. Nearby ZIP codes are in USDA hardiness zones 6b to 7a.
- Apr 27Last spring frost (median)50% chance of 32°F after this date
- May 16Safer planting date10% chance of 32°F after this date
- Oct 17First fall frost (median)50% chance of 32°F by this date
- 170 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 9 | May 27 |
| 32°F | Apr 12 | Apr 27 | May 16 |
| 28°F | Mar 30 | Apr 12 | May 1 |
| 24°F | Mar 15 | Mar 31 | Apr 12 |
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 23 | Oct 6 | Oct 20 |
| 32°F | Oct 3 | Oct 17 | Nov 1 |
| 28°F | Oct 11 | Oct 29 | Nov 10 |
| 24°F | Oct 25 | Nov 9 | Nov 24 |
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 | 126 days | 148 days | 169 days |
| 32°F | 147 days | 170 days | 192 days |
| 28°F | 171 days | 197 days | 217 days |
| 24°F | 201 days | 223 days | 244 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 |
|---|---|---|---|
| 15537 | 6b | -5 to 0°F | 3 km |
| 15533 | 6b | -5 to 0°F | 10 km |
| 16650 | 6b | -5 to 0°F | 13 km |
| 15536 | 6b | -5 to 0°F | 16 km |
| 16691 | 6b | -5 to 0°F | 20 km |
| 15535 | 6b | -5 to 0°F | 21 km |
| 17228 | 6b | -5 to 0°F | 23 km |
| 16689 | 6b | -5 to 0°F | 25 km |
| 17267 | 7a | 0 to 5°F | 25 km |
| 17238 | 7a | 0 to 5°F | 26 km |
| 17229 | 6b | -5 to 0°F | 31 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 USC00362721, at 40.0136, -78.3653, elevation 305 m (1,000 ft).
- Data quality: Standard (24+ years of data), 27 years of freeze data.
- Average days per year at or below 32°F: 142.
- Frost risk changes over short distances. Valleys and low spots freeze earlier than hillsides and city centers.
Nearby weather stations
- Wolfsburg (14 km)
- Shawnee State Park (23 km)
- Altoona Blair Co Airport (32 km)
- Altoona 7 SW (45 km)
- Raystown Lake 2 (48 km)
- Raystown HQ (48 km)
- Johnstown Cambria Co Airport (52 km)
- Altoona 3 W (54 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.