Porter, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Porter, a community in Grays Harbor County, Washington.

Today

76°F

Mostly Sunny

Mostly sunny. High near 76, with temperatures falling to around 74 in the afternoon. Northwest wind around 2 mph.

7-day forecast for Porter

When	Temp	Forecast	Wind	Precip
Today	76°F	Mostly Sunny	2 mph NW	0%
Tonight	46°F	Partly Cloudy	2 mph NW	0%
Sunday	78°F	Mostly Sunny	2 mph NNW	0%
Sunday Night	46°F	Partly Cloudy	2 mph NNW	0%
Monday	76°F	Partly Sunny	0 to 3 mph WNW	0%
Monday Night	48°F	Mostly Cloudy	0 to 3 mph W	0%
Tuesday	72°F	Partly Sunny	0 to 5 mph W	0%
Tuesday Night	46°F	Mostly Cloudy	0 to 5 mph W	2%
Wednesday	70°F	Partly Sunny	0 to 3 mph WNW	3%
Wednesday Night	47°F	Mostly Cloudy	0 to 3 mph NW	5%
Thursday	69°F	Mostly Cloudy then Slight Chance Light Rain	2 mph N	19%
Thursday Night	47°F	Slight Chance Light Rain	2 mph NNW	19%
Friday	68°F	Mostly Sunny	0 to 3 mph NW	8%
Friday Night	45°F	Partly Cloudy	0 to 3 mph NW	6%

Forecast source: National Weather Service (api.weather.gov) for Porter (46.949, -123.280). Updated through the day.

Growing snapshot for Porter

Last spring frost

May 1

First fall frost

Oct 14

Growing season

169 days

Hardiness zone

More local growing data for Porter: nearby ZIP 98559 weather · frost dates · planting calendar · Washington frost dates

Nearby towns & communities

Aberdeen Aberdeen Gardens Amanda Park Brady Central Park Cohassett Beach Copalis Beach Cosmopolis Elma Grayland Hogans Corner Hoquiam Humptulips Malone Markham McCleary Moclips Montesano Neilton Oakville Ocean City Ocean Shores Ocosta Oyehut Pacific Beach Qui-nai-elt Village Santiago Satsop Taholah Westport

All Washington locations ›

Climate data from the nearest NOAA station, Elma, Wa (4.9 mi from Porter). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.