Harman US

Ilwaco, WA Weather & Growing Conditions

This Afternoon
59°F
Light Rain
Rain. Cloudy. High near 59, with temperatures falling to around 54 in the afternoon. South wind 7 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 59°F Light Rain 7 to 14 mph S 92%
Tonight 48°F Light Rain 2 to 16 mph SW 90%
Thursday 58°F Partly Sunny 3 to 8 mph S 5%
Thursday Night 48°F Cloudy then Light Rain 6 to 10 mph SSE 78%
Friday 58°F Light Rain 10 to 20 mph SSE 95%
Friday Night 52°F Light Rain 7 to 16 mph SSE 85%
Saturday 64°F Light Rain 8 to 23 mph SSE 79%
Saturday Night 52°F Light Rain 17 to 25 mph SSW 97%
Sunday 59°F Chance Light Rain 1 to 17 mph SW 38%
Sunday Night 45°F Mostly Cloudy 1 to 5 mph ESE 5%
Monday 58°F Chance Light Rain 5 to 15 mph SE 36%
Monday Night 49°F Light Rain Likely 15 to 22 mph SSE 66%
Tuesday 60°F Light Rain Likely 24 mph S 66%
Tuesday Night 51°F Light Rain Likely 15 to 24 mph SSE 66%

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 Nov 5, 2026.