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Will it freeze in La Porte in the next 7 nights?
No overnight lows at or below 32°F are forecast in La Porte during the next 7 nights in the available NWS frost forecast.
Tonight: forecast low 39°F. Above 36°F.
NWS forecast period: Thu, Nov 5, 5:00 PM CST to Fri, Nov 6, 5:00 AM CST.
2 of the next 7 nights are forecast at 36°F or colder, cold enough for frost on exposed plants.
- Tonight 39°F Above 36°F · Rain Showers
- Fri, Nov 6 37°F Above 36°F · Chance Rain Showers
- Sat, Nov 7 33°F Frost possible · Mostly Clear
- Sun, Nov 8 35°F Frost possible · Mostly Clear
- Mon, Nov 9 42°F Above 36°F · Mostly Clear
- Tue, Nov 10 37°F Above 36°F · Mostly Clear
- Wed, Nov 11 39°F Above 36°F · Partly Cloudy
Overnight lows from the National Weather Service forecast for this location. This covers the available forecast window, not the first freeze of the whole season. Frost can form above 32°F on clear, calm nights.
Frost and freeze probabilities
Freeze dates shift from year to year. Spring percentages describe the chance of a freeze after the stated date; fall percentages describe the chance of a freeze by that date. The 10% spring date is the cautious one: a later freeze happens about 1 year in 10.
These dates describe historical probabilities, not this year’s forecast or the earliest and latest possible freezes. Different weather stations or probability thresholds can produce different published dates for the same city.
Average first hard freeze in La Porte
The median first fall hard-freeze date (28°F) is November 7, from NOAA’s 1991–2020 Climate Normals at Laporte. This is the 50% probability date, not a forecast for this year.
| Temperature | Last spring date 90% · 50% · 10% chance of a later freeze | First fall date 10% · 50% · 90% chance of an earlier freeze | Season |
|---|---|---|---|
| 36°F frost possible | Apr 17 · Apr 30 · May 14 | Oct 4 · Oct 16 · Oct 29 | 168 days |
| 32°F freeze | Apr 5 · Apr 19 · May 3 | Oct 14 · Oct 27 · Nov 9 | 191 days |
| 28°F hard freeze | Mar 25 · Apr 7 · Apr 22 | Oct 26 · Nov 7 · Nov 23 | 213 days |
Average high temperature by month
1991–2020 normals at Laporte
Average low temperature by month
Months with lows near or below freezing carry frost risk
Where these frost dates come from
The frost dates for La Porte, IN come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Laporte (station USC00124837, elevation 809 ft), 0.7 mi from La Porte. Local conditions (valleys, hilltops, distance to water, city heat) can shift frost dates by days or weeks. The hardiness zone is from the 2023 USDA Plant Hardiness Zone Map (USDA ARS and Oregon State University PRISM). See our methodology.
Frost dates near La Porte
| City | Distance | Last spring frost | First fall frost |
|---|---|---|---|
| Michigan City, IN | 11 mi | Apr 19 | Oct 27 |
| Westville, IN | 11 mi | Apr 29 | Oct 13 |
| Chesterton, IN | 17 mi | Apr 22 | Oct 27 |
| Porter, IN | 19 mi | Apr 22 | Oct 27 |
| Valparaiso, IN | 20 mi | Apr 22 | Oct 25 |
| South Bend, IN | 24 mi | Apr 23 | Oct 23 |
| Portage, IN | 24 mi | Apr 22 | Oct 27 |
| Plymouth, IN | 27 mi | Apr 25 | Oct 21 |
| Lake Station, IN | 28 mi | Apr 22 | Oct 27 |
| Niles, MI | 29 mi | Apr 27 | Oct 25 |
Frequently asked questions
When is the last frost in La Porte?
On average, the last spring frost (32°F) in La Porte is around April 19. In about 1 year in 10 it comes after May 3, and in 9 years in 10 it comes after April 5.
When is the first frost in La Porte?
The first fall frost (32°F) usually arrives around October 27. There’s a 10% chance of a freeze by October 14 and a 90% chance by November 9.
Can it frost in La Porte after the last frost date?
Yes. Frost can form on clear, calm nights even when the air stays above 32°F. Temperatures of 36°F or lower, cold enough for frost on exposed plants, have a 50% chance of occurring after April 30.
What growing zone is La Porte?
La Porte is in USDA Plant Hardiness Zone 6a (average annual extreme minimum temperature −10 to −5°F), based on the 2023 USDA map for ZIP code 46350. See growing zones in Indiana.
More: all Indiana frost dates · Indiana growing zones · frost vs. freeze