Last frost date in Erie, PA
Expect the last frost in Erie around April 26. Frost after May 13 happens in only one year out of ten. The first fall frost usually arrives about November 4, which leaves 192 frost-free days. An early freeze before October 21 happens one year in ten.
- Safe after (10% risk)
- May 13
- Average first frost
- Nov 4
- Frost-free season
- 192 days
- Hard freeze (28°F) ends
- Apr 11
No frost in the next 7 nights
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2243°
- FriOct 2339°
- SatOct 2441°
- SunOct 2548°
- MonOct 2648°
- TueOct 2747°
- WedOct 2846°
Planting calendar for Erie
Windows count forward or back from the average frost dates above. Click a crop for dates across Pennsylvania.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 10 | Apr 26 | May 13 | Oct 21 | Nov 4 | Nov 17 |
| Hard freeze, 28°F | Mar 31 | Apr 11 | Apr 25 | Nov 2 | Nov 16 | Dec 3 |
Read the spring 10% column as the date after which only one year in ten still gets frost. That is the safer date for tomatoes, peppers and basil.
Where these numbers come from
NOAA station Erie International Airport (USW00014860) sits 6.1 miles from the center of Erie at 730 feet. Its averages cover 1991 to 2020. Low spots, valleys and open fields can keep getting frost a week or two after the station stops; city centers and lakeshores usually get less of it.
Questions
When is the last frost in Erie, PA?
The average last frost date in Erie is April 26, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 13.
When is the first frost in Erie?
The first frost in fall usually comes around November 4. One year in ten it arrives before October 21.
How long is the growing season in Erie?
About 192 days between the average last and first frost.
When should I plant tomatoes in Erie?
Plant tomato seedlings outside from May 3 to May 17. Start seeds indoors six to eight weeks earlier.
Nearby in Pennsylvania
- New CastleApr 30
- Allison ParkApr 16
- PlumApr 16
- Penn HillsApr 16
- PittsburghApr 18
- MurrysvilleApr 22
- MonroevilleApr 22
- BaldwinApr 18
- Mount LebanonApr 18
- Bethel ParkApr 18
- AltoonaApr 25
- State CollegeApr 20