Last frost date in Pittsfield, MA
In Pittsfield, the last spring frost comes around May 5 in an average year. Wait until May 21 if you want 90% odds of no more frost. The first fall frost usually arrives about October 5, which leaves 152 frost-free days. An early freeze before September 23 happens one year in ten.
- Safe after (10% risk)
- May 21
- Average first frost
- Oct 5
- Frost-free season
- 152 days
- Hard freeze (28°F) ends
- Apr 23
Hard freeze likely tonight, low 28°F
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2228°hard freeze
- FriOct 2326°hard freeze
- SatOct 2428°hard freeze
- SunOct 2534°possible frost
- MonOct 2638°
- TueOct 2732°frost
- WedOct 2835°possible frost
Planting calendar for Pittsfield
Windows count forward or back from the average frost dates above. Click a crop for dates across Massachusetts.
Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 23 | May 5 | May 21 | Sep 23 | Oct 5 | Oct 22 |
| Hard freeze, 28°F | Apr 8 | Apr 23 | May 9 | Oct 2 | Oct 18 | Nov 4 |
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 Pittsfield Municipal Airport (USW00014763) sits 2.2 miles from the center of Pittsfield at 1,194 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 Pittsfield, MA?
The average last frost date in Pittsfield is May 5, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 21.
When is the first frost in Pittsfield?
The first frost in fall usually comes around October 5. One year in ten it arrives before September 23.
How long is the growing season in Pittsfield?
About 152 days between the average last and first frost.
When should I plant tomatoes in Pittsfield?
Plant tomato seedlings outside from May 12 to May 26. Start seeds indoors six to eight weeks earlier.
Nearby in Massachusetts
- NorthamptonMay 5
- WestfieldMay 3
- HolyokeMay 3
- West Springfield TownMay 3
- Amherst TownMay 5
- ChicopeeMay 3
- Agawam TownMay 3
- SpringfieldMay 3
- GardnerMay 2
- FitchburgMay 1
- WorcesterApr 23
- LeominsterApr 29