Amboy, WA Weather & Growing Conditions
Tonight
40°F
Mostly Clear
Mostly clear. Low around 40, with temperatures rising to around 42 overnight. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 40°F | Mostly Clear | 5 mph SE | 3% |
| Wednesday | 51°F | Partly Sunny then Light Rain Likely | 6 mph SSE | 57% |
| Wednesday Night | 45°F | Light Rain | 2 to 7 mph SSW | 97% |
| Thursday | 49°F | Chance Light Rain then Partly Sunny | 3 mph S | 31% |
| Thursday Night | 45°F | Mostly Cloudy then Chance Light Rain | 2 to 8 mph ESE | 45% |
| Friday | 50°F | Light Rain Likely | 5 to 10 mph SE | 61% |
| Friday Night | 48°F | Light Rain Likely | 5 to 10 mph ESE | 58% |
| Saturday | 57°F | Partly Sunny then Chance Light Rain | 6 to 10 mph ESE | 26% |
| Saturday Night | 47°F | Light Rain | 6 to 15 mph SSE | 79% |
| Sunday | 49°F | Light Rain Likely | 0 to 9 mph SW | 72% |
| Sunday Night | 44°F | Slight Chance Light Rain | 0 to 6 mph NE | 15% |
| Monday | 50°F | Chance Light Rain | 7 mph SE | 43% |
| Monday Night | 47°F | Chance Light Rain | 5 to 13 mph SSE | 47% |
| Tuesday | 52°F | Chance Light Rain | 5 to 13 mph SE | 49% |
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 Nov 4, 2026.