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Will it freeze in Lynden in the next 7 nights?
No overnight lows at or below 32°F are forecast in Lynden 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.
- Tonight 44°F Above 36°F · Light Rain
- Fri, Nov 6 47°F Above 36°F · Light Rain Likely
- Sat, Nov 7 47°F Above 36°F · Showers And Thunderstorms
- Sun, Nov 8 38°F Above 36°F · Slight Chance Light Rain then Partly Cloudy
- Mon, Nov 9 45°F Above 36°F · Light Rain
- Tue, Nov 10 48°F Above 36°F · Light Rain
- Wed, Nov 11 47°F Above 36°F · Light Rain Likely
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 Lynden
The median first fall hard-freeze date (28°F) is November 7, from NOAA’s 1991–2020 Climate Normals at Clearbrook. 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 | Apr 23 · May 7 · May 22 | Sep 10 · Sep 29 · Oct 14 | 143 days |
| 32°F freeze | Mar 27 · Apr 18 · May 5 | Sep 28 · Oct 18 · Nov 8 | 185 days |
| 28°F hard freeze | Feb 25 · Mar 18 · Apr 8 | Oct 20 · Nov 7 · Dec 4 | 235 days |
Average high temperature by month
1991–2020 normals at Clearbrook
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 Lynden, WA come from the nearest weather station with freeze statistics in NOAA’s 1991–2020 Climate Normals: Clearbrook (station USC00451484, elevation 64 ft), 5.8 mi from Lynden. 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 Lynden
| City | Distance | Last spring frost | First fall frost |
|---|---|---|---|
| Ferndale, WA | 9.3 mi | Mar 31 | Oct 30 |
| Blaine, WA | 14 mi | Mar 31 | Nov 4 |
| Bellingham, WA | 14 mi | Apr 1 | Nov 2 |
| Sedro-Woolley, WA | 32 mi | Mar 27 | Nov 6 |
| Anacortes, WA | 33 mi | Mar 8 | Nov 20 |
| Burlington, WA | 34 mi | Mar 24 | Nov 3 |
| Mount Vernon, WA | 37 mi | Mar 24 | Nov 3 |
| Oak Harbor, WA | 46 mi | Mar 13 | Nov 14 |
| Stanwood, WA | 49 mi | Apr 22 | Oct 19 |
| Arlington, WA | 56 mi | Apr 22 | Oct 19 |
Frequently asked questions
When is the last frost in Lynden?
On average, the last spring frost (32°F) in Lynden is around April 18. In about 1 year in 10 it comes after May 5, and in 9 years in 10 it comes after March 27.
When is the first frost in Lynden?
The first fall frost (32°F) usually arrives around October 18. There’s a 10% chance of a freeze by September 28 and a 90% chance by November 8.
Can it frost in Lynden 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 7.
What growing zone is Lynden?
Lynden 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 98264. See growing zones in Washington.
More: all Washington frost dates · Washington growing zones · frost vs. freeze