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Will it freeze in Scottsdale in the next 7 nights?
No overnight lows at or below 32°F are forecast in Scottsdale during the next 7 nights in the available NWS frost forecast.
Tonight: forecast low 56°F. Above 36°F.
NWS forecast period: Thu, Nov 5, 6:00 PM MST to Fri, Nov 6, 6:00 AM MST.
No nights at or below 36°F in the National Weather Service forecast for the next 7 nights.
- Tonight 56°F Above 36°F · Partly Cloudy
- Fri, Nov 6 58°F Above 36°F · Mostly Clear
- Sat, Nov 7 56°F Above 36°F · Clear
- Sun, Nov 8 57°F Above 36°F · Mostly Clear
- Mon, Nov 9 58°F Above 36°F · Mostly Clear
- Tue, Nov 10 56°F Above 36°F · Mostly Clear
- Wed, Nov 11 56°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 Scottsdale
Most years have no 28°F hard freeze at Pinnacle Peak, according to NOAA’s 1991–2020 Climate Normals. Check the short-term forecast above during cold snaps.
| 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 | Jan 17 · Feb 26 · Mar 30 | Nov 19 · Dec 7 · Dec 24 | 285 days |
| 32°F freeze | Dec 23 · Jan 27 · Mar 5 | Nov 28 · Dec 21 · Jan 24 | 330 days |
| 28°F hard freeze | Dec 14 · Jan 6 · Feb 8 | Dec 6 · Jan 1 · Feb 2 | 365 days |
Average high temperature by month
1991–2020 normals at Pinnacle Peak
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 Scottsdale, AZ come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Pinnacle Peak (station USC00026603, elevation 2,565 ft), 3.0 mi from Scottsdale. 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 Scottsdale
| City | Distance | Last spring frost | First fall frost |
|---|---|---|---|
| Fountain Hills, AZ | 8.7 mi | Jan 6 | Dec 28 |
| Paradise Valley, AZ | 11 mi | Jan 6 | Dec 26 |
| Cave Creek, AZ | 12 mi | Feb 4 | Dec 16 |
| Phoenix, AZ | 16 mi | Jan 8 | Dec 25 |
| Tempe, AZ | 21 mi | Feb 13 | Dec 5 |
| Mesa, AZ | 21 mi | Feb 1 | Dec 10 |
| Glendale, AZ | 22 mi | Jan 20 | Dec 15 |
| Guadalupe, AZ | 23 mi | Feb 13 | Dec 5 |
| Youngtown, AZ | 27 mi | Jan 20 | Dec 15 |
| Peoria, AZ | 27 mi | Feb 5 | Dec 11 |
Frequently asked questions
When is the last frost in Scottsdale?
On average, the last spring frost (32°F) in Scottsdale is around January 27. In about 1 year in 10 it comes after March 5, and in 9 years in 10 it comes after December 23.
When is the first frost in Scottsdale?
The first fall frost (32°F) usually arrives around December 21. There’s a 10% chance of a freeze by November 28 and a 90% chance by January 24.
Can it frost in Scottsdale 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 February 26.
What growing zone is Scottsdale?
Scottsdale is in USDA Plant Hardiness Zone 10a (average annual extreme minimum temperature 30 to 35°F), based on the 2023 USDA map for ZIP code 85255. See growing zones in Arizona.
More: all Arizona frost dates · Arizona growing zones · UV index today in Scottsdale · frost vs. freeze