Frost dates 2026–2027

Frost dates for West Sacramento, California

Median (50% chance) dates of the last and first 32°F frost, from NOAA 1991–2020 climate normals at Sacramento Executive Airport, 4.3 mi away (close match).

Last spring frostFeb 2
First fall frostDec 2
301 frost-free days
Last spring frostFeb 21 year in 10 after Mar 5
First fall frostDec 21 year in 10 by Nov 16
Growing season301 daysbetween median 32°F dates
Hardiness zoneZone 9b25 to 30°F average extreme low

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Will it freeze in West Sacramento in the next 7 nights?

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

Tonight: forecast low 44°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 West Sacramento

The median first fall hard-freeze date (28°F) is December 16, from NOAA’s 1991–2020 Climate Normals at Sacramento Executive Airport. 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 Feb 13 · Mar 14 · Apr 10 Nov 4 · Nov 18 · Dec 3 247 days
32°F freeze Jan 2 · Feb 2 · Mar 5 Nov 16 · Dec 2 · Jan 2 301 days
28°F hard freeze Dec 12 · Jan 4 · Feb 1 Nov 30 · Dec 16 · Jan 14 345 days
NOAA NCEI U.S. Climate Normals 1991–2020, station USW00023232. How to read these probabilities.

Average high temperature by month

1991–2020 normals at Sacramento Executive Airport

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 West Sacramento, CA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Sacramento Executive Airport (station USW00023232, elevation 15 ft), 4.3 mi from West Sacramento. 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 West Sacramento

CityDistanceLast spring frostFirst fall frost
Sacramento, CA 4.3 mi Jan 12 Dec 16
Davis, CA 9.9 mi Feb 10 Dec 1
Elk Grove, CA 13 mi Feb 2 Dec 2
Woodland, CA 14 mi Feb 7 Dec 5
Dixon, CA 17 mi Feb 10 Dec 1
Rancho Cordova, CA 17 mi Jan 12 Dec 16
Citrus Heights, CA 17 mi Jan 12 Dec 16
Roseville, CA 19 mi Feb 22 Nov 24
Winters, CA 23 mi Feb 18 Nov 30
Folsom, CA 24 mi Jan 12 Dec 16

Frequently asked questions

When is the last frost in West Sacramento?

On average, the last spring frost (32°F) in West Sacramento is around February 2. In about 1 year in 10 it comes after March 5, and in 9 years in 10 it comes after January 2.

When is the first frost in West Sacramento?

The first fall frost (32°F) usually arrives around December 2. There’s a 10% chance of a freeze by November 16 and a 90% chance by January 2.

Can it frost in West Sacramento 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 March 14.

What growing zone is West Sacramento?

West Sacramento is in USDA Plant Hardiness Zone 9b (average annual extreme minimum temperature 25 to 30°F), based on the 2023 USDA map for ZIP code 95605. See growing zones in California.

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