Frost dates 2026–2027

Frost dates for Glendale, California

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Burbank Valley Pump Plt, 5.8 mi away (close match).

Last spring frostJan 2
First fall frostDec 26
364 frost-free days
Last spring frostJan 21 year in 10 after Jan 31
First fall frostDec 261 year in 10 by Dec 5
Growing season364 daysbetween median 32°F dates
Hardiness zoneZone 10a30 to 35°F average extreme low

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Will it freeze in Glendale in the next 7 nights?

No overnight lows at or below 32°F are forecast in Glendale 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 PST to Fri, Nov 6, 6:00 AM PST.

No nights at or below 36°F in the National Weather Service forecast for the next 7 nights.

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 Glendale

Most years have no 28°F hard freeze at Burbank Valley Pump Plt, according to NOAA’s 1991–2020 Climate Normals. Check the short-term forecast above during cold snaps.

TemperatureLast 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 Dec 31 · Feb 5 · Mar 10 Nov 23 · Dec 12 · Jan 3 308 days
32°F freeze Dec 11 · Jan 2 · Jan 31 Dec 5 · Dec 26 · Jan 18 364 days
28°F hard freeze rare in most years rare in most years 365 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00041194. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Burbank Valley Pump Plt

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 Glendale, CA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Burbank Valley Pump Plt (station USC00041194, elevation 655 ft), 5.8 mi from Glendale. 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 Glendale

CityDistanceLast spring frostFirst fall frost
La Cañada Flintridge, CA 3.1 mi rare rare
Burbank, CA 4.3 mi Jan 2 Dec 26
Pasadena, CA 6.2 mi rare rare
South Pasadena, CA 7.5 mi rare rare
San Marino, CA 8.7 mi rare rare
Alhambra, CA 9.3 mi rare rare
West Hollywood, CA 9.9 mi Jan 2 Dec 26
San Gabriel, CA 11 mi rare rare
Sierra Madre, CA 11 mi Apr 28 Nov 15
Monterey Park, CA 11 mi rare rare

Frequently asked questions

When is the last frost in Glendale?

On average, the last spring frost (32°F) in Glendale is around January 2. In about 1 year in 10 it comes after January 31, and in 9 years in 10 it comes after December 11.

When is the first frost in Glendale?

The first fall frost (32°F) usually arrives around December 26. There’s a 10% chance of a freeze by December 5 and a 90% chance by January 18.

Can it frost in Glendale 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 5.

What growing zone is Glendale?

Glendale 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 91208. See growing zones in California.

More: all California frost dates · California growing zones · UV index today in Glendale · frost vs. freeze