Amboy, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Amboy, a community in Clark County, Washington.
Overnight
50°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 50. Northeast wind around 1 mph.
7-day forecast for Amboy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Patchy Fog | 1 mph NE | 0% |
| Saturday | 78°F | Patchy Fog then Mostly Sunny | 2 mph WNW | 0% |
| Saturday Night | 52°F | Mostly Clear | 1 mph NNW | 0% |
| Sunday | 81°F | Sunny | 3 mph WNW | 0% |
| Sunday Night | 52°F | Mostly Clear | 0 to 3 mph NNW | 0% |
| Monday | 75°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 50°F | Partly Cloudy then Patchy Fog | 0 to 5 mph NNW | 0% |
| Tuesday | 71°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 48°F | Partly Cloudy then Areas Of Fog | 1 to 5 mph NNW | 0% |
| Wednesday | 70°F | Patchy Fog then Partly Sunny | 0 to 3 mph NW | 0% |
| Wednesday Night | 49°F | Mostly Cloudy | 3 mph N | 2% |
| Thursday | 69°F | Partly Sunny then Slight Chance Light Rain | 1 to 5 mph NNW | 16% |
| Thursday Night | 48°F | Slight Chance Light Rain then Patchy Fog | 5 mph NNW | 16% |
| Friday | 67°F | Partly Sunny | 1 to 5 mph NW | 10% |
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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Vancouver
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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 Sep 19, 2026.