Pomeroy, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pomeroy, a city in Garfield County, Washington.
Overnight
52°F
Haze
Haze and areas of smoke. Clear, with a low around 52. Southeast wind around 5 mph.
7-day forecast for Pomeroy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Haze | 5 mph SE | 0% |
| Tuesday | 83°F | Areas Of Smoke then Haze | 6 mph NE | 0% |
| Tuesday Night | 56°F | Haze | 6 mph SW | 0% |
| Wednesday | 90°F | Patchy Smoke | 5 to 8 mph NE | 0% |
| Wednesday Night | 58°F | Areas Of Smoke then Clear | 6 mph E | 0% |
| Thursday | 95°F | Sunny | 6 mph SW | 0% |
| Thursday Night | 63°F | Clear | 5 to 8 mph SW | 0% |
| Friday | 93°F | Sunny | 8 to 16 mph SW | 0% |
| Friday Night | 63°F | Clear | 8 to 14 mph SW | 0% |
| Saturday | 90°F | Sunny | 7 to 14 mph SW | 0% |
| Saturday Night | 61°F | Mostly Clear | 8 to 13 mph SW | 0% |
| Sunday | 85°F | Sunny | 9 to 13 mph W | 0% |
| Sunday Night | 57°F | Mostly Clear | 7 to 10 mph SW | 0% |
| Monday | 84°F | Sunny | 8 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Pomeroy (46.474, -117.597). Updated through the day.
Growing snapshot for Pomeroy
Last spring frost
May 2
First fall frost
Oct 4
Growing season
155 days
Hardiness zone
7a
More local growing data for Pomeroy: nearby ZIP 99347 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Pomeroy, Wa (3.1 mi from Pomeroy). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.