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

Planting zone for 98326 — Clallam Bay, WA

ZIP code 98326 (Clallam Bay, Clallam County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is April 20 and the first fall frost October 26.

Where ZIP 98326 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.

Zone9a20 to 25 °F
Coldest night−6.7 to −3.9 °C
Last frostApr 20
First frostOct 26
2012 zone8b

Was 8b on the 2012 map — half a zone warmer now. The zone is the one at the center of the ZIP code; hilly ZIPs can span two zones. What zone 9a means →

Frost forecast — next 7 nights

live from the National Weather Service

Loading the forecast for Clallam Bay, 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 Clallam Bay, WA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostApril 20median — 50% chance of a later frost
Safe for tender plantsMay 10only 10% chance of frost after
First fall frostOctober 26median — 10% chance by Oct 2
Growing season190 daysfrost-free, median

A hard freeze (28 °F) usually ends around March 17 and returns around November 15.

From the NOAA station Quillayute State Airport, WA — 16 miles away, elevation 184 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 98326

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Mar 9 – Mar 23
SpinachSow outdoors · Mar 9 – Mar 30
Broccoli, cabbageStart indoors · Feb 9 – Feb 23
Broccoli, cabbageTransplant · Mar 30 – Apr 13
Onion setsPlant outdoors · Mar 23 – Apr 6
PotatoesPlant outdoors · Mar 30 – Apr 13
LettuceSow outdoors · Mar 23 – Apr 6
Carrots, beetsSow outdoors · Mar 30 – Apr 13
TomatoesStart indoors · Feb 23 – Mar 9
TomatoesTransplant · Apr 27 – May 11
Peppers, eggplantStart indoors · Feb 9 – Feb 23
Peppers, eggplantTransplant · May 4 – May 18
BeansSow outdoors · Apr 27 – May 11
Sweet cornSow outdoors · Apr 27 – May 11
Cucumbers, squashSow outdoors · Apr 27 – May 11
Fall lettuce, spinachSow outdoors · Aug 31 – Sep 14
GarlicPlant cloves · Oct 12 – Nov 16
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Apr 20) and first fall frost (Oct 26) 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 98326 came on Feb 13 — 12 days earlier than the 1991–2020 average (Feb 25).

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).

Soil in Clallam Bay, WA

The soil mapped at the center of ZIP 98326 is Ozette — medial silt loam, moderately well drained.

TextureMedial silt loama good balance for most vegetables
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainageModerately well drainednatural drainage class
Organic matter10%high
Hydrologic groupCwater soaks in slowly
Farmland classNot prime farmlandUSDA classification

Map unit: Ozette silt loam, 5 to 35 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 98326; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Clallam Bay, WA

Summer high69 °Faverage high, August
Winter low35 °Faverage low, February
Hot days1days a year at 90 °F or more
Freezing nights53nights a year at 32 °F or less
Growing degree days1,178base 50 °F — the season’s usable heat
Longest day16 h 04 mindaylight on June 21
Shortest day8 h 21 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation101.3 inper year, rain and melted snow

Average high and low, by month

20°30°40°50°60°70°80°32 °FJanuary: average high 48 °F, low 36 °F 48°36° JanFebruary: average high 49 °F, low 35 °F 49°35° FebMarch: average high 51 °F, low 37 °F 51°37° MarApril: average high 55 °F, low 39 °F 55°39° AprMay: average high 60 °F, low 43 °F 60°43° MayJune: average high 63 °F, low 48 °F 63°48° JunJuly: average high 68 °F, low 51 °F 68°51° JulAugust: average high 69 °F, low 51 °F 69°51° AugSeptember: average high 67 °F, low 48 °F 67°48° SepOctober: average high 59 °F, low 42 °F 59°42° OctNovember: average high 51 °F, low 38 °F 51°38° NovDecember: average high 47 °F, low 35 °F 47°35° Dec

Precipitation by month inches

0″2″4″6″8″10″12″14″16″January: 15.59 in precipitation 15.6 JanFebruary: 9.73 in precipitation 9.7 FebMarch: 11.78 in precipitation 11.8 MarApril: 8.11 in precipitation 8.1 AprMay: 4.25 in precipitation 4.3 MayJune: 3.30 in precipitation 3.3 JunJuly: 1.58 in precipitation 1.6 JulAugust: 2.64 in precipitation 2.6 AugSeptember: 4.56 in precipitation 4.6 SepOctober: 10.68 in precipitation 10.7 OctNovember: 15.26 in precipitation 15.3 NovDecember: 13.84 in precipitation 13.8 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Quillayute State Airport, WA (16 mi away); precipitation: Quillayute State Airport, WA (16 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

Washington planting zones →

Questions about 98326

What planting zone is ZIP code 98326?

ZIP code 98326 (Clallam Bay, WA) is in USDA hardiness zone 9a on the 2023 map: the coldest night of an average winter reaches 20 to 25 °F (−6.7 to −3.9 °C).

When is the last frost in Clallam Bay, WA?

The median last spring frost (32 °F) near 98326 is April 20; after May 10 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Quillayute State Airport station.

When is the first frost in Clallam Bay, WA?

The median first fall frost near 98326 is October 26, giving a median frost-free growing season of 190 days.

When should I plant tomatoes in 98326?

Start tomato seeds indoors around Feb 23 – Mar 9 and set transplants outside around Apr 27 – May 11, one to three weeks after the median last frost.

How much rain and snow does 98326 get?

About 101.3 inches of precipitation a year (NOAA 1991–2020 normals, Quillayute State Airport station).

How hot do summers get in Clallam Bay, WA?

The average high peaks at 69 °F in August, with about 1 days a year at 90 °F or more.

What kind of soil does 98326 have?

The USDA soil survey maps Ozette at the center of ZIP 98326: medial silt loam, moderately well drained, pH about 5.0 (strongly acidic).

Did spring come early in Clallam Bay, WA in 2026?

Spring leaf-out near 98326 came on Feb 13 in 2026, 12 days earlier than the 1991–2020 average (Feb 25), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Clallam Bay, WA?

Long-day onions: the longest day near 98326 is 16 h 04 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 98326 change?

Yes. The 2012 USDA map put 98326 in zone 8b; the 2023 map puts it in zone 9a. The newer map uses 1991–2020 data and more weather stations.