Wasco, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wasco, a city in Sherman County, Oregon.
Tonight
52°F
Mostly Clear
Mostly clear. Low around 52, with temperatures rising to around 54 overnight. West wind around 10 mph.
7-day forecast for Wasco
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 10 mph W | 0% |
| Saturday | 80°F | Sunny | 2 to 7 mph W | 0% |
| Saturday Night | 54°F | Mostly Clear | 5 mph W | 0% |
| Sunday | 81°F | Sunny | 6 mph NW | 0% |
| Sunday Night | 57°F | Mostly Clear | 2 to 6 mph W | 0% |
| Monday | 81°F | Sunny | 5 to 9 mph W | 0% |
| Monday Night | 55°F | Partly Cloudy | 12 mph W | 0% |
| Tuesday | 76°F | Sunny | 10 to 15 mph W | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 10 to 15 mph W | 0% |
| Wednesday | 72°F | Mostly Sunny | 9 to 13 mph W | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 7 to 13 mph W | 0% |
| Thursday | 71°F | Mostly Sunny | 7 mph W | 4% |
| Thursday Night | 52°F | Mostly Cloudy | 8 mph W | 5% |
| Friday | 68°F | Mostly Sunny | 7 to 14 mph W | 5% |
Forecast source: National Weather Service (api.weather.gov) for Wasco (45.592, -120.697). Updated through the day.
Growing snapshot for Wasco
Last spring frost
May 12
First fall frost
Oct 4
Growing season
143 days
Hardiness zone
7b
More local growing data for Wasco: nearby ZIP 97065 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Moro, Or (9.5 mi from Wasco). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.