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Will it freeze in Yreka in the next 7 nights?
No overnight lows at or below 32°F are forecast in Yreka during the next 7 nights in the available NWS frost forecast.
Tonight: forecast low 34°F. Frost possible.
NWS forecast period: Thu, Nov 5, 6:00 PM PST to Fri, Nov 6, 6:00 AM PST.
2 of the next 7 nights are forecast at 36°F or colder, cold enough for frost on exposed plants.
- Tonight 34°F Frost possible · Mostly Clear
- Fri, Nov 6 36°F Frost possible · Mostly Clear
- Sat, Nov 7 38°F Above 36°F · Partly Cloudy
- Sun, Nov 8 37°F Above 36°F · Mostly Cloudy
- Mon, Nov 9 37°F Above 36°F · Mostly Clear
- Tue, Nov 10 40°F Above 36°F · Partly Cloudy then Slight Chance Light Rain
- Wed, Nov 11 38°F Above 36°F · Chance Light Rain
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 Yreka
The median first fall hard-freeze date (28°F) is November 1, from NOAA’s 1991–2020 Climate Normals at Yreka. This is the 50% probability date, not a forecast for this year.
| 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 | May 3 · May 22 · Jun 13 | Sep 20 · Oct 3 · Oct 17 | 134 days |
| 32°F freeze | Apr 14 · Apr 30 · May 20 | Oct 3 · Oct 18 · Nov 2 | 169 days |
| 28°F hard freeze | Mar 22 · Apr 12 · May 3 | Oct 17 · Nov 1 · Nov 20 | 202 days |
Average high temperature by month
1991–2020 normals at Yreka
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 Yreka, CA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Yreka (station USC00049866, elevation 2,709 ft), 1.6 mi from Yreka. 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 Yreka
| City | Distance | Last spring frost | First fall frost |
|---|---|---|---|
| Ashland, OR | 32 mi | May 6 | Oct 8 |
| Talent, OR | 37 mi | May 6 | Oct 8 |
| Medford, OR | 43 mi | Apr 8 | Oct 29 |
| Central Point, OR | 47 mi | Apr 8 | Oct 29 |
| Eagle Point, OR | 52 mi | Apr 8 | Oct 29 |
| Klamath Falls, OR | 55 mi | Jun 9 | Sep 18 |
| Grants Pass, OR | 61 mi | Apr 8 | Oct 28 |
| Shasta Lake, CA | 73 mi | Feb 8 | Dec 28 |
| Redding, CA | 81 mi | Mar 3 | Nov 21 |
| Crescent City, CA | 81 mi | Jan 30 | Dec 25 |
Frequently asked questions
When is the last frost in Yreka?
On average, the last spring frost (32°F) in Yreka is around April 30. In about 1 year in 10 it comes after May 20, and in 9 years in 10 it comes after April 14.
When is the first frost in Yreka?
The first fall frost (32°F) usually arrives around October 18. There’s a 10% chance of a freeze by October 3 and a 90% chance by November 2.
Can it frost in Yreka 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 May 22.
What growing zone is Yreka?
Yreka is in USDA Plant Hardiness Zone 8a (average annual extreme minimum temperature 10 to 15°F), based on the 2023 USDA map for ZIP code 96097. See growing zones in California.
More: all California frost dates · California growing zones · frost vs. freeze