Wasco, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wasco, a city in Sherman County, Oregon.
Today
52°F
Slight Chance Rain Showers
A slight chance of rain showers before 1pm. Mostly cloudy. High near 52, with temperatures falling to around 45 in the afternoon. East wind 3 to 7 mph. Chance of precipitation is 20%.
7-day forecast for Wasco
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Slight Chance Rain Showers | 3 to 7 mph E | 15% |
| Tonight | 34°F | Partly Cloudy | 5 mph SW | 2% |
| Wednesday | 54°F | Sunny | 5 mph W | 7% |
| Wednesday Night | 41°F | Rain Showers Likely | 5 to 9 mph SW | 58% |
| Thursday | 56°F | Mostly Sunny | 5 to 9 mph W | 1% |
| Thursday Night | 40°F | Mostly Cloudy | 6 mph W | 5% |
| Friday | 55°F | Mostly Cloudy | 6 mph W | 5% |
| Friday Night | 40°F | Mostly Cloudy | 7 mph W | 4% |
| Saturday | 58°F | Partly Sunny | 5 mph SE | 1% |
| Saturday Night | 43°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 9 mph SW | 22% |
| Sunday | 57°F | Slight Chance Rain Showers | 6 to 10 mph W | 22% |
| Sunday Night | 40°F | Mostly Cloudy | 6 mph W | 10% |
| Monday | 54°F | Mostly Cloudy | 3 mph S | 10% |
| Monday Night | 41°F | Slight Chance Rain Showers | 5 mph W | 22% |
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 Nov 3, 2026.