Planting zone for 98571 — Pacific Beach, WA
ZIP code 98571 (Pacific Beach, Grays Harbor County) is in USDA zone 9a: the coldest winter night averages 20 to 25 °F. The median last spring frost is April 26 and the first fall frost October 22.
Where ZIP 98571 is
Outlined: the ZIP code area · tap the map for the zone at any spot · scroll or pinch to zoomNot 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.
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 ServiceLoading the forecast for Pacific Beach, 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 Pacific Beach, WA
A hard freeze (28 °F) usually ends around March 27 and returns around November 13.
From the NOAA station Humptulips Salmon Hatchery, WA — 10 miles away, elevation 141 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 98571
Counted from the median last spring frost (Apr 26) and first fall frost (Oct 22) 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 98571 came on Feb 2 — 13 days earlier than the 1991–2020 average (Feb 15).
Feb 152026
Feb 2
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 Pacific Beach, WA
The soil mapped at the center of ZIP 98571 is Mopang — silt loam, well drained.
Map unit: Mopang silt loam, cool, 5 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 98571; soils change within a few hundred feet, so a home soil test (pH, nutrients) is still the best guide.
Climate in Pacific Beach, WA
Average high and low, by month
Precipitation by month inches · ❄ = snowfall
NOAA NCEI U.S. Climate Normals 1991–2020 — temperature: Humptulips Salmon Hatchery, WA (10 mi away); precipitation: Humptulips Salmon Hatchery, WA (10 mi away). Daylight is calculated from latitude.
Nearby ZIP codes
4 of the 8 nearest ZIP codes are in a different zone — elevation and distance from water change winter lows quickly.
Questions about 98571
What planting zone is ZIP code 98571?
ZIP code 98571 (Pacific Beach, 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 Pacific Beach, WA?
The median last spring frost (32 °F) near 98571 is April 26; after May 15 there is only a 10% chance of frost. Data: NOAA 1991–2020 normals, Humptulips Salmon Hatchery station.
When is the first frost in Pacific Beach, WA?
The median first fall frost near 98571 is October 22, giving a median frost-free growing season of 180 days.
When should I plant tomatoes in 98571?
Start tomato seeds indoors around Mar 1 – Mar 15 and set transplants outside around May 3 – May 17, one to three weeks after the median last frost.
How much rain and snow does 98571 get?
About 115.6 inches of precipitation a year and 1 inches of snowfall (NOAA 1991–2020 normals, Humptulips Salmon Hatchery station).
How hot do summers get in Pacific Beach, WA?
The average high peaks at 70 °F in August, with about 2 days a year at 90 °F or more.
What kind of soil does 98571 have?
The USDA soil survey maps Mopang at the center of ZIP 98571: silt loam, well drained, pH about 4.3 (strongly acidic).
Did spring come early in Pacific Beach, WA in 2026?
Spring leaf-out near 98571 came on Feb 2 in 2026, 13 days earlier than the 1991–2020 average (Feb 15), according to the USA National Phenology Network Spring Index.
What kind of onions grow in Pacific Beach, WA?
Long-day onions: the longest day near 98571 is 15 h 56 min, so summer days reach 15+ hours, enough for long-day varieties (intermediate types work too).
Did the zone for 98571 change?
Yes. The 2012 USDA map put 98571 in zone 8b; the 2023 map puts it in zone 9a. The newer map uses 1991–2020 data and more weather stations.