Pomeroy, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pomeroy, a city in Garfield County, Washington.
Today
50°F
Mostly Cloudy
Mostly cloudy. High near 50, with temperatures falling to around 46 in the afternoon. East wind around 3 mph.
7-day forecast for Pomeroy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 50°F | Mostly Cloudy | 3 mph E | 2% |
| Tonight | 35°F | Mostly Cloudy | 3 mph SW | 1% |
| Wednesday | 50°F | Sunny | 2 mph N | 0% |
| Wednesday Night | 39°F | Partly Cloudy then Rain Showers Likely | 1 to 5 mph SE | 58% |
| Thursday | 50°F | Rain Showers Likely then Partly Sunny | 3 to 12 mph SW | 58% |
| Thursday Night | 37°F | Partly Cloudy | 3 to 7 mph S | 11% |
| Friday | 54°F | Mostly Cloudy | 2 to 8 mph S | 11% |
| Friday Night | 38°F | Mostly Cloudy | 2 to 8 mph S | 7% |
| Saturday | 57°F | Mostly Sunny | 3 to 9 mph SE | 1% |
| Saturday Night | 43°F | Mostly Cloudy then Slight Chance Rain Showers | 3 to 10 mph SE | 21% |
| Sunday | 58°F | Slight Chance Rain Showers | 2 to 8 mph SW | 24% |
| Sunday Night | 40°F | Mostly Cloudy | 2 to 6 mph S | 12% |
| Monday | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 1 to 6 mph SE | 15% |
| Monday Night | 41°F | Chance Rain Showers | 1 to 8 mph S | 26% |
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 Nov 3, 2026.