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

Planting zone for 98547 — Grayland, WA

ZIP code 98547 (Grayland, Grays Harbor County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is March 29 and the first fall frost November 7.

Where ZIP 98547 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 frostMar 29
First frostNov 7
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 Grayland, 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 Grayland, WA

JanFebMarAprMayJunJulAugSepOctNovDec
Blue: frost possible · fading green: frost risk falling or rising (90% → 10%) · green: frost-free
Last spring frostMarch 29median — 50% chance of a later frost
Safe for tender plantsApril 24only 10% chance of frost after
First fall frostNovember 7median — 10% chance by Oct 19
Growing season224 daysfrost-free, median

A hard freeze (28 °F) usually ends around February 22 and returns around December 1.

From the NOAA station Grayland, WA — 2 miles away, elevation 10 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 98547

JanFebMarAprMayJunJulAugSepOctNovDec
PeasSow outdoors · Feb 15 – Mar 1
SpinachSow outdoors · Feb 15 – Mar 8
Broccoli, cabbageStart indoors · Jan 18 – Feb 1
Broccoli, cabbageTransplant · Mar 8 – Mar 22
Onion setsPlant outdoors · Mar 1 – Mar 15
PotatoesPlant outdoors · Mar 8 – Mar 22
LettuceSow outdoors · Mar 1 – Mar 15
Carrots, beetsSow outdoors · Mar 8 – Mar 22
TomatoesStart indoors · Feb 1 – Feb 15
TomatoesTransplant · Apr 5 – Apr 19
Peppers, eggplantStart indoors · Jan 18 – Feb 1
Peppers, eggplantTransplant · Apr 12 – Apr 26
BeansSow outdoors · Apr 5 – Apr 19
Sweet cornSow outdoors · Apr 5 – Apr 19
Cucumbers, squashSow outdoors · Apr 5 – Apr 19
Fall lettuce, spinachSow outdoors · Sep 12 – Sep 26
GarlicPlant cloves · Oct 24 – Nov 28
Start seeds indoorsSow or plant outdoorsFall plantingMedian last & first frost

Counted from the median last spring frost (Mar 29) and first fall frost (Nov 7) 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 98547 came on Feb 4 — 14 days earlier than the 1991–2020 average (Feb 18).

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 Grayland, WA

The soil mapped at the center of ZIP 98547 is Newskah — medial loam, well drained.

TextureMedial loama good balance for most vegetables
pH5.0strongly acidic; most vegetables like 6.0–7.0
DrainageWell drainednatural drainage class
Organic matter12.5%high
Hydrologic groupBwater soaks in moderately
Farmland classNot prime farmlandUSDA classification

Map unit: Newskah loam, 8 to 30 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 98547; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.

Climate in Grayland, WA

Summer high68 °Faverage high, August
Winter low37 °Faverage low, February
Hot days0days a year at 90 °F or more
Freezing nights37nights a year at 32 °F or less
Growing degree days1,304base 50 °F — the season’s usable heat
Longest day15 h 52 mindaylight on June 21
Shortest day8 h 32 mindaylight on December 21
Onions to growLong-daysummer days reach 15+ hours, enough for long-day varieties (intermediate types work too)
Precipitation75.2 inper year, rain and melted snow

Average high and low, by month

30°40°50°60°70°80°32 °FJanuary: average high 49 °F, low 38 °F 49°38° JanFebruary: average high 51 °F, low 37 °F 51°37° FebMarch: average high 53 °F, low 39 °F 53°39° MarApril: average high 56 °F, low 41 °F 56°41° AprMay: average high 60 °F, low 46 °F 60°46° MayJune: average high 64 °F, low 50 °F 64°50° JunJuly: average high 66 °F, low 52 °F 66°52° JulAugust: average high 68 °F, low 52 °F 68°52° AugSeptember: average high 67 °F, low 49 °F 67°49° SepOctober: average high 60 °F, low 44 °F 60°44° OctNovember: average high 53 °F, low 40 °F 53°40° NovDecember: average high 48 °F, low 37 °F 48°37° Dec

Precipitation by month inches

0″2″4″6″8″10″12″January: 11.46 in precipitation 11.5 JanFebruary: 7.24 in precipitation 7.2 FebMarch: 8.41 in precipitation 8.4 MarApril: 5.99 in precipitation 6.0 AprMay: 3.25 in precipitation 3.3 MayJune: 2.30 in precipitation 2.3 JunJuly: 1.05 in precipitation 1.1 JulAugust: 1.68 in precipitation 1.7 AugSeptember: 2.94 in precipitation 2.9 SepOctober: 7.95 in precipitation 8.0 OctNovember: 11.72 in precipitation 11.7 NovDecember: 11.22 in precipitation 11.2 Dec

NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Grayland, WA (2 mi away); precipitation: Grayland, WA (2 mi away). Daylight is calculated from latitude.

Nearby ZIP codes

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

985909b
Tokeland, WA · 5 mi
985959a
Westport, WA · 8 mi
986409a
Ocean Park, WA · 11 mi
985279a
Bay Center, WA · 14 mi
986419a
Oysterville, WA · 15 mi
985699a
Ocean Shores, WA · 15 mi
985208b
Aberdeen, WA · 17 mi
985869a
South Bend, WA · 19 mi

Washington planting zones →

Questions about 98547

What planting zone is ZIP code 98547?

ZIP code 98547 (Grayland, 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 Grayland, WA?

The median last spring frost (32 °F) near 98547 is March 29; after April 24 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Grayland station.

When is the first frost in Grayland, WA?

The median first fall frost near 98547 is November 7, giving a median frost-free growing season of 224 days.

When should I plant tomatoes in 98547?

Start tomato seeds indoors around Feb 1 – Feb 15 and set transplants outside around Apr 5 – Apr 19, one to three weeks after the median last frost.

How much rain and snow does 98547 get?

About 75.2 inches of precipitation a year (NOAA 1991–2020 normals, Grayland station).

How hot do summers get in Grayland, WA?

The average high peaks at 68 °F in August, with about 0 days a year at 90 °F or more.

What kind of soil does 98547 have?

The USDA soil survey maps Newskah at the center of ZIP 98547: medial loam, well drained, pH about 5.0 (strongly acidic).

Did spring come early in Grayland, WA in 2026?

Spring leaf-out near 98547 came on Feb 4 in 2026, 14 days earlier than the 1991–2020 average (Feb 18), according to the USA National Phenology Network Spring Index.

What kind of onions grow in Grayland, WA?

Long-day onions: the longest day near 98547 is 15 h 52 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).

Did the zone for 98547 change?

Yes. The 2012 USDA map put 98547 in zone 8b; the 2023 map puts it in zone 9a. The newer map uses 1991–2020 data and more weather stations.