Frost dates 2026–2027

Frost dates for Emeryville, California

Most years have no 32°F freeze at Berkeley, 3.4 mi away (close match), according to NOAA 1991–2020 climate normals.

Freezes are rare here
Last spring frostRarefewer than half of years
First fall frostRarefewer than half of years
Growing season365 daysbetween median 32°F dates
Hardiness zoneZone 10a30 to 35°F average extreme low

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Will it freeze in Emeryville in the next 7 nights?

No overnight lows at or below 32°F are forecast in Emeryville during the next 7 nights in the available NWS frost forecast.

Tonight: forecast low 55°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 Emeryville

Most years have no 28°F hard freeze at Berkeley, 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 29 · Feb 5 · Mar 20 Nov 27 · Dec 19 · Jan 26 319 days
32°F freeze Dec 14 · Jan 3 · Feb 14 Dec 10 · Jan 1 · Jan 29 365 days
28°F hard freeze rare in most years rare in most years 365 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USC00040693. The median 32°F growing season here is the whole year: most years have no freeze. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Berkeley

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 Emeryville, CA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Berkeley (station USC00040693, elevation 310 ft), 3.4 mi from Emeryville. 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 Emeryville

CityDistanceLast spring frostFirst fall frost
Berkeley, CA 1.9 mi rare rare
Albany, CA 3.7 mi rare rare
Piedmont, CA 4.3 mi rare rare
El Cerrito, CA 5.6 mi rare rare
Oakland, CA 6.2 mi Jan 7 Dec 23
Alameda, CA 6.8 mi Jan 7 Dec 23
San Francisco, CA 7.5 mi rare rare
Orinda, CA 8.1 mi rare rare
Richmond, CA 8.7 mi rare rare
San Pablo, CA 8.7 mi rare rare

Frequently asked questions

When is the last frost in Emeryville?

Emeryville doesn’t reach 32°F in a typical year, according to NOAA’s 1991–2020 normals for the nearest station.

When is the first frost in Emeryville?

Freezes are uncommon here; check the 7-night forecast above during cold snaps.

Can it frost in Emeryville 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 Emeryville?

Emeryville 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 94608. See growing zones in California.

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