Amboy, WA Weather & Growing Conditions
This Afternoon
61°F
Partly Sunny
Partly sunny. High near 61, with temperatures falling to around 55 in the afternoon. Northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Partly Sunny | 1 mph NE | 6% |
| Tonight | 39°F | Patchy Fog | 2 mph ENE | 5% |
| Wednesday | 58°F | Patchy Fog then Chance Light Rain | 2 mph SE | 47% |
| Wednesday Night | 46°F | Light Rain | 3 mph S | 96% |
| Thursday | 55°F | Light Rain Likely | 2 mph S | 58% |
| Thursday Night | 44°F | Light Rain Likely | 0 to 3 mph ESE | 67% |
| Friday | 56°F | Light Rain Likely | 1 to 5 mph ESE | 71% |
| Friday Night | 46°F | Chance Light Rain | 1 to 6 mph E | 31% |
| Saturday | 64°F | Partly Sunny then Chance Light Rain | 2 to 7 mph SE | 25% |
| Saturday Night | 48°F | Light Rain | 2 to 12 mph SSE | 76% |
| Sunday | 56°F | Light Rain | 0 to 8 mph SSW | 76% |
| Sunday Night | 44°F | Chance Light Rain | 0 to 5 mph ESE | 25% |
| Monday | 57°F | Chance Light Rain | 5 mph ESE | 50% |
| Monday Night | 45°F | Light Rain Likely | 2 to 7 mph SE | 61% |
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 Nov 4, 2026.