Amboy, WA Weather & Growing Conditions
Overnight
51°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 51. North northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Patchy Fog | 1 mph NNE | 0% |
| Saturday | 77°F | Patchy Fog then Mostly Sunny | 2 mph NW | 0% |
| Saturday Night | 52°F | Mostly Clear | 1 mph NNW | 0% |
| Sunday | 81°F | Sunny | 3 mph NW | 0% |
| Sunday Night | 52°F | Mostly Clear | 0 to 3 mph N | 0% |
| Monday | 74°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 51°F | Partly Cloudy then Patchy Fog | 0 to 5 mph NNW | 0% |
| Tuesday | 70°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 48°F | Partly Cloudy then Areas Of Fog | 0 to 5 mph NNW | 0% |
| Wednesday | 69°F | Patchy Fog then Partly Sunny | 2 mph WNW | 0% |
| Wednesday Night | 49°F | Mostly Cloudy | 2 mph N | 2% |
| Thursday | 68°F | Partly Sunny then Slight Chance Light Rain | 3 mph NNW | 16% |
| Thursday Night | 49°F | Slight Chance Light Rain then Mostly Cloudy | 3 mph NNW | 16% |
| Friday | 66°F | Partly Sunny | 3 mph NW | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Amboy, WA
Last spring frost
Apr 26
First fall frost
Oct 16
Growing season
174 days
Hardiness zone
8b
Explore more for Amboy, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Battle Ground, Wa (12.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.