Amboy, WA Weather & Growing Conditions
Tonight
51°F
Partly Cloudy
Partly cloudy, with a low around 51. North wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Partly Cloudy | 3 mph N | 0% |
| Saturday | 69°F | Mostly Sunny | 1 to 5 mph NNW | 0% |
| Saturday Night | 53°F | Mostly Clear | 5 mph N | 0% |
| Sunday | 71°F | Sunny | 1 to 5 mph NNW | 0% |
| Sunday Night | 52°F | Mostly Clear | 5 mph NNW | 0% |
| Monday | 65°F | Mostly Sunny | 2 to 7 mph NNW | 0% |
| Monday Night | 50°F | Partly Cloudy | 2 to 7 mph NNW | 0% |
| Tuesday | 62°F | Partly Sunny | 2 to 6 mph NW | 1% |
| Tuesday Night | 48°F | Partly Cloudy | 2 to 6 mph N | 1% |
| Wednesday | 63°F | Mostly Sunny | 0 to 3 mph N | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph NNE | 2% |
| Thursday | 66°F | Partly Sunny | 3 mph NNE | 11% |
| Thursday Night | 51°F | Slight Chance Light Rain | 3 mph N | 23% |
| Friday | 59°F | Slight Chance Light Rain | 5 mph WNW | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Amboy, WA
Last spring frost
Apr 8
First fall frost
Nov 5
Growing season
210 days
Hardiness zone
8b
Explore more for Amboy, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Longview, Wa (16.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.