Data: 2023 USDA zones (PRISM/OSU) · NOAA 1991–2020 normals · updated Oct 29, 2026

Planting zone for 98382 — Sequim, WA

ZIP code 98382 (Sequim, Clallam County) is in USDA zone 8b: the coldest winter night averages 15 to 20 °F. The median last spring frost is April 21 and the first fall frost October 20.

Where ZIP 98382 is

Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoom

Not the official USDA Plant Hardiness Zone Map. Zones come from the 2023 USDA hardiness-zone data by the PRISM Group, Oregon State University; we re-mapped and recolored them. The official map is at planthardiness.ars.usda.gov.

Zone8b15 to 20 °F

Coldest night−9.4 to −6.7 °C

Last frostApr 21

First frostOct 20

2012 zone8b

Same zone as on the 2012 map. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 8b means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Sequim, WA…

Forecast data: National Weather Service (api.weather.gov), public domain. This is not a warning service — for official frost and freeze warnings see weather.gov.

Frost dates in Sequim, WA

JanFebMarAprMayJunJulAugSepOctNovDec

Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free

Last spring frostApril 21median — 50% chance of a later frost

Safe for tender plantsMay 7only 10% chance of frost after

First fall frostOctober 20median — 10% chance by Oct 3

Growing season181 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 28 and returns around November 7.

From the NOAA station Sequim 2 E, WA — 5 miles away, elevation 49 ft. NOAA NCEI U.S. Climate Normals 1991–2020, 32 °F threshold. Low spots and valleys can freeze later in spring than the station.

When to plant vegetables in 98382

JanFebMarAprMayJunJulAugSepOctNovDec

PeasSow outdoors · Mar 10 – Mar 24

SpinachSow outdoors · Mar 10 – Mar 31

Broccoli, cabbageStart indoors · Feb 10 – Feb 24

Broccoli, cabbageTransplant · Mar 31 – Apr 14

Onion setsPlant outdoors · Mar 24 – Apr 7

PotatoesPlant outdoors · Mar 31 – Apr 14

LettuceSow outdoors · Mar 24 – Apr 7

Carrots, beetsSow outdoors · Mar 31 – Apr 14

TomatoesStart indoors · Feb 24 – Mar 10

TomatoesTransplant · Apr 28 – May 12

Peppers, eggplantStart indoors · Feb 10 – Feb 24

Peppers, eggplantTransplant · May 5 – May 19

BeansSow outdoors · Apr 28 – May 12

Sweet cornSow outdoors · Apr 28 – May 12

Cucumbers, squashSow outdoors · Apr 28 – May 12

Fall lettuce, spinachSow outdoors · Aug 25 – Sep 8

GarlicPlant cloves · Oct 6 – Nov 10

Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 21) and first fall frost (Oct 20) with the rules of thumb U.S. extension services publish. Cool-season crops take a light frost; warm-season crops do best once the soil is above about 60 °F.

When spring arrived in 2026

In 2026, spring leaf-out near 98382 came on Feb 22 — 11 days earlier than the 1991–2020 average (Mar 5).

average
Mar 52026
Feb 22

JanFebMarAprMayJun

The Spring Index marks the day when accumulated warmth is enough for lilac and honeysuckle to leaf out — a widely used signal that the growing season has started. Source: USA National Phenology Network, www.usanpn.org — Spring Indices, first leaf, 2026 (data as of 2026-09-08) and 30-year average 1991–2020 (CC BY 4.0).

Native plants for zone 8b in Washington

614 plants native to the lower 48 states, recorded in Washington, and rated by the USDA to survive 15 °F or colder — the bottom of zone 8b. Each links to its USDA PLANTS profile.

Source: USDA, NRCS. 2026. The PLANTS Database (plants.usda.gov), National Plant Data Team — state distribution, native status and the “Temperature, Minimum” characteristic. Check light, moisture and soil needs before buying; local nurseries and your state native plant society can confirm what thrives in Sequim, WA.

Soil in Sequim, WA

The soil mapped at the center of ZIP 98382 is Louella — gravelly ashy loam, well drained.

TextureGravelly ashy loama good balance for most vegetables

pH6.5neutral; most vegetables like 6.0–7.0

DrainageWell drainednatural drainage class

Organic matter4%moderate

Hydrologic groupBwater soaks in moderately

Farmland classNot prime farmlandUSDA classification

Map unit: Louella gravelly loam, 30 to 65 percent slopes.

Soil Survey Staff, Natural Resources Conservation Service, USDA. Soil Survey Geographic (SSURGO) Database, via Soil Data Access, accessed 2026-10-29. The soil at the center point of ZIP 98382; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Sequim, WA

Summer high70 °Faverage high, July

Winter low32 °Faverage low, January

Hot days0days a year at 90 °F or more

Freezing nights89nights a year at 32 °F or less

Growing degree days1,249base 50 °F — the season’s usable heat

Longest day16 h 03 mindaylight on June 21

Shortest day8 h 22 mindaylight on December 21

Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)

Precipitation24 inper year, rain and melted snow

Average high and low, by month

Precipitation by month inches

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Sequim 2 E, WA (5 mi away); precipitation: Sequim 2.9 Se, WA (3 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

1 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.

983248b

Carlsborg, WA · 6 mi

983628b

Port Angeles, WA · 10 mi

983688b

Port Townsend, WA · 13 mi

983258b

Chimacum, WA · 16 mi

983398b

Port Hadlock, WA · 17 mi

Port Ludlow, WA · 21 mi

Washington planting zones →

Questions about 98382

What planting zone is ZIP code 98382?

ZIP code 98382 (Sequim, WA) is in USDA hardiness zone 8b on the 2023 map: the coldest night of an average winter reaches 15 to 20 °F (−9.4 to −6.7 °C).

When is the last frost in Sequim, WA?

The median last spring frost (32 °F) near 98382 is April 21; after May 7 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Sequim 2 E station.

When is the first frost in Sequim, WA?

The median first fall frost near 98382 is October 20, giving a median frost-free growing season of 181 days.

When should I plant tomatoes in 98382?

Start tomato seeds indoors around Feb 24 – Mar 10 and set transplants outside around Apr 28 – May 12, one to three weeks after the median last frost.

How much rain and snow does 98382 get?

About 24 inches of precipitation a year (NOAA 1991–2020 normals, Sequim 2.9 Se station).

How hot do summers get in Sequim, WA?

The average high peaks at 70 °F in July, with about 0 days a year at 90 °F or more.

What kind of soil does 98382 have?

The USDA soil survey maps Louella at the center of ZIP 98382: gravelly ashy loam, well drained, pH about 6.5 (neutral).

Did spring come early in Sequim, WA in 2026?

Spring leaf-out near 98382 came on Feb 22 in 2026, 11 days earlier than the 1991–2020 average (Mar 5), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Sequim, WA?

Long-day onions: the longest day near 98382 is 16 h 03 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).