Green Bluff, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Green Bluff, a community in Spokane County, Washington.
This Afternoon
50°F
Mostly Cloudy
Mostly cloudy. High near 50, with temperatures falling to around 46 in the afternoon. North wind around 1 mph.
7-day forecast for Green Bluff
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Mostly Cloudy | 1 mph N | 2% |
| Tonight | 32°F | Mostly Cloudy | 0 mph | 2% |
| Wednesday | 50°F | Patchy Fog then Sunny | 1 mph SW | 2% |
| Wednesday Night | 34°F | Mostly Cloudy then Rain Showers Likely | 1 mph SE | 74% |
| Thursday | 48°F | Rain Showers Likely | 1 to 5 mph S | 74% |
| Thursday Night | 33°F | Mostly Cloudy | 3 mph SE | 6% |
| Friday | 51°F | Mostly Cloudy | 1 to 6 mph SE | 12% |
| Friday Night | 35°F | Mostly Cloudy | 0 to 5 mph SE | 6% |
| Saturday | 56°F | Partly Sunny | 2 mph E | 6% |
| Saturday Night | 37°F | Mostly Cloudy then Chance Rain Showers | 5 mph E | 27% |
| Sunday | 55°F | Chance Rain Showers | 5 to 13 mph S | 27% |
| Sunday Night | 35°F | Mostly Cloudy | 1 to 7 mph S | 13% |
| Monday | 52°F | Partly Sunny then Slight Chance Rain Showers | 2 mph NE | 20% |
| Monday Night | 36°F | Chance Rain Showers | 1 mph SE | 27% |
Forecast source: National Weather Service (api.weather.gov) for Green Bluff (47.818, -117.275). Updated through the day.
Growing snapshot for Green Bluff
Last spring frost
Apr 26
First fall frost
Oct 15
Growing season
170 days
Hardiness zone
6b
More local growing data for Green Bluff: nearby ZIP 99217 weather · frost dates · planting calendar · Washington frost dates
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Town and Country
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Climate data from the nearest NOAA station, Spokane Felts Fld, Wa (4.9 mi from Green Bluff). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.