Amboy, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Amboy, a community in Clark County, Washington.
Overnight
55°F
Areas Of Smoke
Areas of smoke. Clear. Low around 55, with temperatures rising to around 58 overnight. Northeast wind around 6 mph.
7-day forecast for Amboy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Areas Of Smoke | 6 mph NE | 0% |
| Tuesday | 94°F | Smoke | 2 to 6 mph ENE | 0% |
| Tuesday Night | 60°F | Areas Of Smoke | 2 to 6 mph NNE | 0% |
| Wednesday | 97°F | Areas Of Smoke | 5 mph NNW | 0% |
| Wednesday Night | 61°F | Clear | 3 mph N | 0% |
| Thursday | 96°F | Sunny | 0 to 3 mph NW | 0% |
| Thursday Night | 58°F | Clear | 0 to 3 mph NNW | 0% |
| Friday | 90°F | Sunny | 0 to 7 mph NW | 0% |
| Friday Night | 56°F | Mostly Clear | 1 to 7 mph NNW | 0% |
| Saturday | 85°F | Sunny | 1 to 9 mph NW | 0% |
| Saturday Night | 52°F | Mostly Clear | 1 to 9 mph WNW | 0% |
| Sunday | 79°F | Sunny | 1 to 8 mph WNW | 0% |
| Sunday Night | 51°F | Mostly Clear | 1 to 8 mph NW | 0% |
| Monday | 79°F | Sunny | 1 to 7 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Amboy (45.916, -122.489). Updated through the day.
Growing snapshot for Amboy
Last spring frost
Apr 26
First fall frost
Oct 16
Growing season
174 days
Hardiness zone
8b
More local growing data for Amboy: nearby ZIP 98601 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Battle Ground, Wa (12.3 mi from Amboy). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.