Ephrata, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ephrata, a city in Grant County, Washington.
Tonight
52°F
Mostly Clear
Mostly clear. Low around 52, with temperatures rising to around 54 overnight. Northwest wind around 3 mph.
7-day forecast for Ephrata
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 3 mph NW | 0% |
| Saturday | 79°F | Mostly Sunny | 2 to 7 mph E | 0% |
| Saturday Night | 53°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 81°F | Sunny | 5 mph SE | 0% |
| Sunday Night | 54°F | Mostly Clear | 1 to 5 mph W | 0% |
| Monday | 81°F | Sunny | 2 to 7 mph NW | 0% |
| Monday Night | 54°F | Partly Cloudy | 3 to 7 mph W | 0% |
| Tuesday | 77°F | Mostly Sunny | 1 to 7 mph NW | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 7 mph W | 0% |
| Wednesday | 73°F | Mostly Sunny | 3 to 7 mph NW | 1% |
| Wednesday Night | 50°F | Mostly Cloudy | 7 mph W | 1% |
| Thursday | 70°F | Partly Sunny | 6 mph NW | 4% |
| Thursday Night | 50°F | Mostly Cloudy | 7 mph NW | 7% |
| Friday | 68°F | Partly Sunny | 7 to 10 mph NW | 7% |
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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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 Sep 19, 2026.