Greenwater, WA Weather & Growing Conditions
Tonight
34°F
Partly Cloudy
Partly cloudy, with a low around 34. East wind 2 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 34°F | Partly Cloudy | 2 to 7 mph E | 4% |
| Wednesday | 56°F | Mostly Sunny then Slight Chance Light Rain | 0 to 5 mph SSE | 16% |
| Wednesday Night | 38°F | Light Rain | 2 to 6 mph SSW | 98% |
| Thursday | 50°F | Chance Light Rain then Partly Sunny | 2 to 6 mph WSW | 34% |
| Thursday Night | 37°F | Light Rain | 2 to 8 mph SSE | 83% |
| Friday | 51°F | Light Rain | 5 to 8 mph SSE | 83% |
| Friday Night | 39°F | Chance Light Rain | 5 to 8 mph SE | 45% |
| Saturday | 58°F | Partly Sunny then Slight Chance Light Rain | 6 to 9 mph ESE | 21% |
| Saturday Night | 40°F | Rain | 7 to 15 mph SSE | 82% |
| Sunday | 50°F | Light Rain | 3 to 13 mph WSW | 82% |
| Sunday Night | 35°F | Slight Chance Light Rain then Mostly Cloudy | 3 to 8 mph SSE | 18% |
| Monday | 52°F | Chance Light Rain | 2 to 8 mph ESE | 50% |
| Monday Night | 38°F | Light Rain Likely | 2 to 10 mph ESE | 65% |
| Tuesday | 53°F | Light Rain Likely | 6 to 9 mph SE | 65% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Greenwater, WA
Last spring frost
Apr 18
First fall frost
Oct 31
Growing season
196 days
Hardiness zone
8a
Explore more for Greenwater, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Mud Mtn Dam, Wa (12 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.