Rockport, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockport, a community in Skagit County, Washington.
Tonight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. North northeast wind around 5 mph.
7-day forecast for Rockport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Partly Cloudy | 5 mph NNE | 0% |
| Saturday | 74°F | Mostly Sunny | 1 to 5 mph W | 0% |
| Saturday Night | 48°F | Mostly Clear | 2 to 6 mph NNE | 0% |
| Sunday | 77°F | Sunny | 5 mph W | 0% |
| Sunday Night | 48°F | Mostly Clear | 1 to 5 mph NNE | 0% |
| Monday | 71°F | Sunny | 1 to 7 mph S | 1% |
| Monday Night | 47°F | Partly Cloudy | 2 to 7 mph NE | 1% |
| Tuesday | 67°F | Mostly Sunny | 2 to 7 mph SSE | 1% |
| Tuesday Night | 45°F | Partly Cloudy | 2 to 7 mph E | 3% |
| Wednesday | 66°F | Mostly Sunny | 5 mph NNW | 8% |
| Wednesday Night | 47°F | Mostly Cloudy | 6 mph NE | 11% |
| Thursday | 69°F | Mostly Sunny then Slight Chance Light Rain | 3 mph W | 19% |
| Thursday Night | 48°F | Chance Light Rain | 3 to 8 mph SW | 38% |
| Friday | 64°F | Chance Light Rain | 5 mph SSW | 38% |
Forecast source: National Weather Service (api.weather.gov) for Rockport (48.485, -121.608). Updated through the day.
Growing snapshot for Rockport
Last spring frost
Mar 28
First fall frost
Nov 14
Growing season
229 days
Hardiness zone
8a
More local growing data for Rockport: nearby ZIP 98237 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Alger
Anacortes
Bay View
Big Lake
Bow
Bryant
Burlington
Clear Lake
Concrete
Conway
Edison
Hamilton
La Conner
Lake Ketchum
Lake McMurray
Lyman
Marblemount
Mount Vernon
Sedro-Woolley
Climate data from the nearest NOAA station, Concrete Ppl Fish Stn, Wa (1.5 mi from Rockport). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.