Porter, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Porter, a community in Grays Harbor County, Washington.
Tonight
36°F
Mostly Clear
Mostly clear, with a low around 36. Wind around 0 mph.
7-day forecast for Porter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 36°F | Mostly Clear | 0 mph | 2% |
| Wednesday | 60°F | Patchy Fog then Light Rain | 0 to 5 mph SSE | 83% |
| Wednesday Night | 45°F | Light Rain | 5 to 9 mph S | 98% |
| Thursday | 60°F | Partly Sunny | 5 mph SSW | 11% |
| Thursday Night | 44°F | Light Rain | 2 to 8 mph SSE | 88% |
| Friday | 58°F | Light Rain | 2 to 10 mph SSE | 88% |
| Friday Night | 47°F | Light Rain | 2 mph SSE | 75% |
| Saturday | 65°F | Light Rain Likely | 3 mph SE | 55% |
| Saturday Night | 49°F | Light Rain | 2 to 10 mph S | 86% |
| Sunday | 60°F | Light Rain Likely | 1 to 7 mph SW | 68% |
| Sunday Night | 41°F | Slight Chance Light Rain | 1 mph NNE | 15% |
| Monday | 59°F | Chance Light Rain | 2 mph ESE | 45% |
| Monday Night | 46°F | Light Rain Likely | 1 to 5 mph SSE | 63% |
| Tuesday | 60°F | Light Rain Likely | 2 to 6 mph S | 63% |
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
8b
More local growing data for Porter: nearby ZIP 98559 weather · frost dates · planting calendar · Washington frost dates
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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 Nov 4, 2026.