Ilwaco, WA Weather & Growing Conditions
Tonight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. Northwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Cloudy | 2 mph NW | 0% |
| Saturday | 68°F | Mostly Cloudy | 1 to 9 mph NNW | 0% |
| Saturday Night | 54°F | Partly Cloudy | 6 to 9 mph N | 0% |
| Sunday | 68°F | Mostly Sunny | 6 to 14 mph NNW | 0% |
| Sunday Night | 55°F | Partly Cloudy | 5 to 14 mph NNW | 0% |
| Monday | 69°F | Partly Sunny | 5 to 13 mph NNW | 0% |
| Monday Night | 55°F | Mostly Cloudy | 6 to 13 mph NNW | 1% |
| Tuesday | 67°F | Partly Sunny | 6 to 10 mph NNW | 2% |
| Tuesday Night | 54°F | Mostly Cloudy | 1 to 10 mph N | 2% |
| Wednesday | 67°F | Partly Sunny | 1 to 8 mph NNE | 2% |
| Wednesday Night | 54°F | Mostly Cloudy | 3 to 8 mph N | 7% |
| Thursday | 69°F | Partly Sunny then Slight Chance Light Rain | 3 to 10 mph N | 17% |
| Thursday Night | 55°F | Chance Light Rain | 7 to 10 mph WNW | 27% |
| Friday | 66°F | Chance Light Rain | 7 to 12 mph WSW | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ilwaco, WA
Last spring frost
Apr 6
First fall frost
Oct 26
Growing season
200 days
Hardiness zone
9a
Explore more for Ilwaco, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Long Beach Exp Stn, Wa (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.