Last frost date in Framingham, MA
In Framingham, the last spring frost comes around April 26 in an average year. Wait until May 9 if you want 90% odds of no more frost. The first fall frost usually arrives about October 12, which leaves 169 frost-free days. An early freeze before October 1 happens one year in ten.
- Safe after (10% risk)
- May 9
- Average first frost
- Oct 12
- Frost-free season
- 169 days
- Hard freeze (28°F) ends
- Apr 13
Frost likely Fri night, low 30°F
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2236°possible frost
- FriOct 2330°frost
- SatOct 2431°frost
- SunOct 2536°possible frost
- MonOct 2642°
- TueOct 2737°
- WedOct 2839°
Planting calendar for Framingham
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 14 | Apr 26 | May 9 | Oct 1 | Oct 12 | Oct 26 |
| Hard freeze, 28°F | Apr 2 | Apr 13 | Apr 24 | Oct 10 | Oct 24 | Nov 6 |
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 Natick (USC00195175) sits 5.0 miles from the center of Framingham at 180 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 Framingham, MA?
The average last frost date in Framingham is April 26, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 9.
When is the first frost in Framingham?
The first frost in fall usually comes around October 12. One year in ten it arrives before October 1.
How long is the growing season in Framingham?
About 169 days between the average last and first frost.
When should I plant tomatoes in Framingham?
Plant tomato seedlings outside from May 3 to May 17. Start seeds indoors six to eight weeks earlier.