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Will it freeze in Perry in the next 7 nights?
The earliest overnight low at or below 32°F in the available NWS frost forecast is Fri, Nov 6: 27°F (Fri, Nov 6, 6:00 PM CST to Sat, Nov 7, 6:00 AM CST).
Tonight: forecast low 36°F. Frost possible.
NWS forecast period: Thu, Nov 5, 6:00 PM CST to Fri, Nov 6, 6:00 AM CST.
3 of the next 7 nights are forecast at 36°F or colder, cold enough for frost on exposed plants.
- Tonight 36°F Frost possible · Cloudy
- Fri, Nov 6 27°F Hard freeze · Partly Cloudy
- Sat, Nov 7 35°F Frost possible · Mostly Clear
- Sun, Nov 8 37°F Above 36°F · Clear
- Mon, Nov 9 39°F Above 36°F · Mostly Clear
- Tue, Nov 10 39°F Above 36°F · Partly Cloudy
- Wed, Nov 11 41°F Above 36°F · Mostly Clear
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 Perry
The median first fall hard-freeze date (28°F) is October 22, from NOAA’s 1991–2020 Climate Normals at Perry. 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 22 · May 5 · May 17 | Sep 17 · Sep 30 · Oct 13 | 146 days |
| 32°F freeze | Apr 12 · Apr 25 · May 8 | Sep 25 · Oct 10 · Oct 24 | 166 days |
| 28°F hard freeze | Apr 2 · Apr 16 · Apr 30 | Oct 5 · Oct 22 · Nov 3 | 187 days |
Average high temperature by month
1991–2020 normals at Perry
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 Perry, IA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Perry (station USC00136566, elevation 950 ft), 0.9 mi from Perry. 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 Perry
| City | Distance | Last spring frost | First fall frost |
|---|---|---|---|
| Adel, IA | 16 mi | Apr 25 | Oct 10 |
| Boone, IA | 19 mi | Apr 28 | Oct 12 |
| Grimes, IA | 19 mi | Apr 19 | Oct 18 |
| Polk City, IA | 19 mi | Apr 19 | Oct 18 |
| Waukee, IA | 21 mi | Apr 18 | Oct 20 |
| Urbandale, IA | 21 mi | Apr 19 | Oct 18 |
| Johnston, IA | 22 mi | Apr 19 | Oct 18 |
| Clive, IA | 22 mi | Apr 18 | Oct 20 |
| Windsor Heights, IA | 25 mi | Apr 18 | Oct 20 |
| West Des Moines, IA | 25 mi | Apr 18 | Oct 20 |
Frequently asked questions
When is the last frost in Perry?
On average, the last spring frost (32°F) in Perry is around April 25. In about 1 year in 10 it comes after May 8, and in 9 years in 10 it comes after April 12.
When is the first frost in Perry?
The first fall frost (32°F) usually arrives around October 10. There’s a 10% chance of a freeze by September 25 and a 90% chance by October 24.
Can it frost in Perry 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 May 5.
What growing zone is Perry?
Perry is in USDA Plant Hardiness Zone 5a (average annual extreme minimum temperature −20 to −15°F), based on the 2023 USDA map for ZIP code 50220. See growing zones in Iowa.
More: all Iowa frost dates · Iowa growing zones · frost vs. freeze