Ephrata, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ephrata, a city in Grant County, Washington.
Today
54°F
Mostly Cloudy
Mostly cloudy. High near 54, with temperatures falling to around 49 in the afternoon. North wind 3 to 8 mph.
7-day forecast for Ephrata
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 54°F | Mostly Cloudy | 3 to 8 mph N | 5% |
| Tonight | 34°F | Partly Cloudy | 5 mph NW | 5% |
| Wednesday | 52°F | Sunny | 5 mph E | 3% |
| Wednesday Night | 38°F | Chance Rain Showers | 3 mph NE | 33% |
| Thursday | 57°F | Mostly Sunny | 1 to 6 mph SW | 6% |
| Thursday Night | 37°F | Partly Cloudy | 1 to 5 mph NE | 7% |
| Friday | 54°F | Mostly Cloudy | 2 to 8 mph S | 7% |
| Friday Night | 37°F | Mostly Cloudy | 6 mph W | 2% |
| Saturday | 57°F | Partly Sunny | 3 to 8 mph N | 1% |
| Saturday Night | 39°F | Mostly Cloudy | 5 mph NW | 7% |
| Sunday | 59°F | Partly Sunny | 5 to 14 mph SW | 7% |
| Sunday Night | 37°F | Mostly Cloudy | 3 to 7 mph NW | 6% |
| Monday | 55°F | Partly Sunny | 3 to 7 mph NW | 10% |
| Monday Night | 37°F | Chance Rain Showers | 3 mph N | 29% |
Forecast source: National Weather Service (api.weather.gov) for Ephrata (47.312, -119.534). Updated through the day.
Growing snapshot for Ephrata
Last spring frost
Apr 22
First fall frost
Oct 17
Growing season
175 days
Hardiness zone
6b
More local growing data for Ephrata: nearby ZIP 98823 weather · frost dates · planting calendar · Washington frost dates
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Quincy
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Warden
Wheeler
Wilson Creek
Climate data from the nearest NOAA station, Ephrata Muni Ap, Wa (6 mi from Ephrata). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.