Last frost date in Westfield, IN
In Westfield, the last spring frost comes around April 21 in an average year. Wait until May 8 if you want 90% odds of no more frost. The first fall frost usually arrives about October 21, which leaves 183 frost-free days. An early freeze before October 6 happens one year in ten.
- Safe after (10% risk)
- May 8
- Average first frost
- Oct 21
- Frost-free season
- 183 days
- Hard freeze (28°F) ends
- Apr 8
No frost in the next 7 nights
Later than usual: the average first frost here is October 21.
National Weather Service forecast, updated Oct 22, 12:57 UTC
- ThuOct 2243°
- FriOct 2342°
- SatOct 2443°
- SunOct 2546°
- MonOct 2646°
- TueOct 2744°
- WedOct 2844°
Planting calendar for Westfield
Windows count forward or back from the average frost dates above. Click a crop for dates across Indiana.
TomatoesApr 28–May 12
PumpkinsMay 5–May 19
SunflowersApr 21–May 12
CucumbersMay 5–May 12
CornApr 28–May 12
Sweet potatoesMay 12–May 26
WatermelonMay 5–May 19
Green beansApr 28–May 19
ZucchiniApr 28–May 12
OkraMay 12–May 26
PeppersMay 5–May 19
BasilApr 28–May 12
Butternut squashApr 28–May 12
CantaloupeMay 5–May 19
EggplantMay 5–May 19
PotatoesMar 24–Apr 7
OnionsMar 10–Mar 31
CarrotsMar 31–May 5
LettuceApr 7–Apr 28
BroccoliMar 24–Apr 7
BeetsMar 24–May 5
PeasMar 10–Mar 24
CabbageMar 24–Apr 7
RadishesMar 17–Apr 28
Brussels sproutsApr 7–Apr 21
SpinachMar 10–Mar 31
CilantroApr 7–Apr 28
KaleMar 24–Apr 7
Collard greensMar 24–Apr 7
TurnipsMar 24–Apr 7
DillApr 21–May 5
CeleryApr 28–May 5
CauliflowerApr 7–Apr 21
LeeksApr 7–Apr 21
Swiss chardApr 7–May 5
ParsleyApr 7–Apr 28
Tulip bulbsOct 7–Nov 11
GarlicSep 30–Nov 4
Daffodil bulbsSep 23–Nov 4
StrawberriesMar 24–Apr 7
AsparagusMar 24–Apr 7Frost probabilities
| Threshold | Spring, 90% chance later | Spring, 50% | Spring, 10% | Fall, 10% chance earlier | Fall, 50% | Fall, 90% |
|---|---|---|---|---|---|---|
| Light frost, 32°F | Apr 5 | Apr 21 | May 8 | Oct 6 | Oct 21 | Nov 2 |
| Hard freeze, 28°F | Mar 25 | Apr 8 | Apr 26 | Oct 18 | Nov 1 | Nov 17 |
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 Carmel 3 E (USC00121303) sits 7.1 miles from the center of Westfield at 752 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 Westfield, IN?
The average last frost date in Westfield is April 21, based on NOAA 1991–2020 climate normals. There is a 10% chance of frost after May 8.
When is the first frost in Westfield?
The first frost in fall usually comes around October 21. One year in ten it arrives before October 6.
How long is the growing season in Westfield?
About 183 days between the average last and first frost.
When should I plant tomatoes in Westfield?
Plant tomato seedlings outside from April 28 to May 12. Start seeds indoors six to eight weeks earlier.
Nearby in Indiana
- CarmelApr 21
- NoblesvilleApr 21
- ZionsvilleApr 21
- FishersApr 21
- LawrenceApr 18
- IndianapolisApr 20
- BrownsburgApr 12
- AvonApr 12
- AndersonApr 19
- GreenfieldApr 19
- PlainfieldApr 12
- KokomoApr 27