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Wasco, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Wasco, a city in Sherman County, Oregon.

Today
80°F
Sunny
Sunny, with a high near 80. West wind 2 to 7 mph.

7-day forecast for Wasco

WhenTempForecastWindPrecip
Today 80°F Sunny 2 to 7 mph W 0%
Tonight 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 51°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 5%
Thursday Night 52°F Partly Cloudy 8 mph W 5%
Friday 68°F Mostly Sunny 7 to 14 mph W 5%
Friday Night 49°F Partly Cloudy 7 to 14 mph W 3%

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

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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.