Frost dates for Cooksburg 2 NW, PA
At Cooksburg 2 NW, the median last spring frost (32°F) is May 13 and the median first fall frost is Oct 7, for a typical growing season of 143 days. For a 90% chance that the last frost has passed, wait until May 28. Nearby ZIP codes are in USDA hardiness zone 6a.
- May 13Last spring frost (median)50% chance of 32°F after this date
- May 28Safer planting date10% chance of 32°F after this date
- Oct 7First fall frost (median)50% chance of 32°F by this date
- 143 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 | May 11 | May 26 | Jun 7 |
| 32°F | Apr 28 | May 13 | May 28 |
| 28°F | Apr 17 | May 2 | May 20 |
| 24°F | Apr 4 | Apr 19 | May 6 |
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 12 | Sep 27 | Oct 7 |
| 32°F | Sep 27 | Oct 7 | Oct 20 |
| 28°F | Oct 4 | Oct 20 | Nov 3 |
| 24°F | Oct 18 | Nov 3 | Nov 16 |
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 | 102 days | 122 days | 141 days |
| 32°F | 124 days | 143 days | 165 days |
| 28°F | 145 days | 169 days | 191 days |
| 24°F | 172 days | 197 days | 219 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 |
|---|---|---|---|
| 16217 | 6a | -10 to -5°F | 3 km |
| 16233 | 6a | -10 to -5°F | 6 km |
| 16260 | 6a | -10 to -5°F | 6 km |
| 16220 | 6a | -10 to -5°F | 8 km |
| 15828 | 6a | -10 to -5°F | 8 km |
| 16361 | 6a | -10 to -5°F | 11 km |
| 16235 | 6a | -10 to -5°F | 12 km |
| 16332 | 6a | -10 to -5°F | 13 km |
| 15860 | 6a | -10 to -5°F | 15 km |
| 16239 | 6a | -10 to -5°F | 17 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 USC00361751, at 41.3558, -79.2172, elevation 442 m (1,450 ft).
- Data quality: Estimated from nearby stations (2+ years), 9 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
- Tionesta 2 SE Lake (23 km)
- Clarion 3 SW (26 km)
- Dubois Jefferson Co Airport (33 km)
- Ridgway (40 km)
- Putneyville 2 SE Dam (48 km)
- Kane 1nne (50 km)
- Titusville Wtr Wks (50 km)
- Franklin (51 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.