Wasco, OR Weather & Growing Conditions
This Afternoon
51°F
Slight Chance Rain Showers
A slight chance of rain showers before 4pm. Mostly cloudy. High near 51, with temperatures falling to around 45 in the afternoon. East wind around 6 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 51°F | Slight Chance Rain Showers | 6 mph E | 15% |
| Tonight | 33°F | Partly Cloudy | 5 mph SW | 2% |
| Wednesday | 53°F | Sunny | 5 mph W | 7% |
| Wednesday Night | 40°F | Rain Showers Likely | 3 to 9 mph W | 56% |
| Thursday | 55°F | Mostly Sunny | 5 to 10 mph W | 1% |
| Thursday Night | 39°F | Mostly Cloudy | 6 mph W | 5% |
| Friday | 54°F | Mostly Cloudy | 6 mph W | 5% |
| Friday Night | 39°F | Mostly Cloudy | 3 to 7 mph W | 4% |
| Saturday | 57°F | Partly Sunny | 5 mph SE | 1% |
| Saturday Night | 41°F | Mostly Cloudy then Slight Chance Rain Showers | 3 to 9 mph SW | 20% |
| Sunday | 57°F | Slight Chance Rain Showers | 6 to 12 mph W | 20% |
| Sunday Night | 39°F | Mostly Cloudy | 2 to 6 mph SW | 10% |
| Monday | 53°F | Mostly Cloudy | 2 mph W | 10% |
| Monday Night | 40°F | Slight Chance Rain Showers | 5 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Wasco, OR
Last spring frost
May 12
First fall frost
Oct 4
Growing season
143 days
Hardiness zone
7b
Explore more for Wasco, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Moro, Or (9.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.