Pomeroy, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pomeroy, a city in Garfield County, Washington.
Overnight
53°F
Partly Cloudy
Partly cloudy, with a low around 53. South wind around 3 mph.
7-day forecast for Pomeroy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Partly Cloudy | 3 mph S | 0% |
| Saturday | 74°F | Sunny | 3 mph W | 1% |
| Saturday Night | 53°F | Mostly Clear | 1 to 6 mph E | 1% |
| Sunday | 78°F | Sunny | 2 to 6 mph NE | 1% |
| Sunday Night | 55°F | Mostly Clear | 5 mph SE | 0% |
| Monday | 81°F | Sunny | 6 mph W | 0% |
| Monday Night | 56°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 77°F | Sunny | 5 mph SW | 1% |
| Tuesday Night | 54°F | Mostly Clear | 5 mph SW | 1% |
| Wednesday | 72°F | Mostly Sunny | 6 mph W | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph SW | 2% |
| Thursday | 72°F | Mostly Sunny | 5 mph NW | 3% |
| Thursday Night | 52°F | Partly Cloudy | 5 mph SW | 4% |
| Friday | 67°F | Partly Sunny | 6 mph SW | 14% |
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 Sep 19, 2026.