Ilwaco, WA Weather & Growing Conditions
Today
66°F
Partly Sunny
Partly sunny. High near 66, with temperatures falling to around 64 in the afternoon. North wind 2 to 12 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Partly Sunny | 2 to 12 mph N | 0% |
| Tonight | 55°F | Partly Cloudy | 10 mph N | 0% |
| Sunday | 66°F | Mostly Cloudy | 8 to 17 mph N | 0% |
| Sunday Night | 56°F | Partly Cloudy | 8 to 17 mph NNW | 0% |
| Monday | 67°F | Partly Sunny | 6 to 15 mph NNW | 0% |
| Monday Night | 56°F | Mostly Cloudy | 9 to 15 mph NNW | 0% |
| Tuesday | 65°F | Partly Sunny | 8 to 12 mph NNW | 0% |
| Tuesday Night | 55°F | Mostly Cloudy | 3 to 12 mph NNW | 6% |
| Wednesday | 64°F | Partly Sunny | 3 to 9 mph NNW | 6% |
| Wednesday Night | 55°F | Mostly Cloudy | 9 mph NNW | 6% |
| Thursday | 63°F | Mostly Cloudy then Slight Chance Light Rain | 8 to 20 mph N | 16% |
| Thursday Night | 54°F | Slight Chance Light Rain | 10 to 20 mph NNW | 21% |
| Friday | 63°F | Mostly Sunny | 9 to 16 mph NNW | 10% |
| Friday Night | 53°F | Partly Cloudy | 8 to 16 mph NNW | 8% |
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 (3.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.