Frost dates 2026–2027

Frost dates for Ojai, California

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Ojai, 1.1 mi away (close match).

Last spring frostMar 21
First fall frostNov 15
235 frost-free days
Last spring frostMar 211 year in 10 after Apr 15
First fall frostNov 151 year in 10 by Oct 28
Growing season235 daysbetween median 32°F dates
Hardiness zoneZone 8b15 to 20°F average extreme low

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Will it freeze in Ojai in the next 6 nights?

No overnight lows at or below 32°F are forecast in Ojai during the next 6 nights in the available NWS frost forecast.

Tonight: forecast low 49°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 6 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 Ojai

The median first fall hard-freeze date (28°F) is December 1, from NOAA’s 1991–2020 Climate Normals at Ojai. This is the 50% probability date, not a forecast for this year.

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 Mar 31 · Apr 19 · May 12 Oct 14 · Oct 31 · Nov 15 192 days
32°F freeze Feb 20 · Mar 21 · Apr 15 Oct 28 · Nov 15 · Dec 2 235 days
28°F hard freeze Jan 8 · Feb 17 · Mar 15 Nov 12 · Dec 1 · Dec 22 287 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00046399. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Ojai

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 Ojai, CA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Ojai (station USC00046399, elevation 745 ft), 1.1 mi from Ojai. 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 Ojai

CityDistanceLast spring frostFirst fall frost
Santa Paula, CA 12 mi rare rare
Ventura, CA 12 mi rare rare
Carpinteria, CA 15 mi rare rare
Oxnard, CA 17 mi rare rare
Fillmore, CA 19 mi rare rare
Camarillo, CA 20 mi rare rare
Port Hueneme, CA 20 mi rare rare
Moorpark, CA 24 mi rare rare
Santa Barbara, CA 27 mi rare rare
Thousand Oaks, CA 27 mi rare rare

Frequently asked questions

When is the last frost in Ojai?

On average, the last spring frost (32°F) in Ojai is around March 21. In about 1 year in 10 it comes after April 15, and in 9 years in 10 it comes after February 20.

When is the first frost in Ojai?

The first fall frost (32°F) usually arrives around November 15. There’s a 10% chance of a freeze by October 28 and a 90% chance by December 2.

Can it frost in Ojai 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 19.

What growing zone is Ojai?

Ojai is in USDA Plant Hardiness Zone 8b (average annual extreme minimum temperature 15 to 20°F), based on the 2023 USDA map for ZIP code 93023. See growing zones in California.

More: all California frost dates · California growing zones · frost vs. freeze