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Bull Mountain, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Bull Mountain, a community in Washington County, Oregon.

Today
78°F
Patchy Fog then Mostly Sunny
Patchy fog before 9am. Mostly sunny. High near 78, with temperatures falling to around 76 in the afternoon. North wind around 2 mph.

7-day forecast for Bull Mountain

WhenTempForecastWindPrecip
Today 78°F Patchy Fog then Mostly Sunny 2 mph N 0%
Tonight 53°F Mostly Clear 3 mph NNW 0%
Sunday 82°F Sunny 5 mph N 0%
Sunday Night 54°F Mostly Clear 1 to 5 mph NNW 0%
Monday 76°F Mostly Sunny 1 to 6 mph NNW 0%
Monday Night 54°F Partly Cloudy 1 to 6 mph NNW 0%
Tuesday 73°F Mostly Sunny 1 to 5 mph N 0%
Tuesday Night 50°F Partly Cloudy 0 to 6 mph NNW 0%
Wednesday 71°F Partly Sunny 2 mph NNW 0%
Wednesday Night 52°F Mostly Cloudy 3 mph NNW 2%
Thursday 69°F Partly Sunny 1 to 5 mph N 12%
Thursday Night 51°F Mostly Cloudy 2 to 6 mph NNW 12%
Friday 67°F Mostly Sunny 2 to 6 mph NNW 9%
Friday Night 50°F Partly Cloudy 6 mph NNW 6%

Forecast source: National Weather Service (api.weather.gov) for Bull Mountain (45.413, -122.832). Updated through the day.

Growing snapshot for Bull Mountain

Last spring frost
Apr 1
First fall frost
Nov 6
Growing season
222 days
Hardiness zone
9a

More local growing data for Bull Mountain: nearby ZIP 97224 weather · frost dates · planting calendar · Oregon frost dates

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Climate data from the nearest NOAA station, Beaverton 2 Ssw, Or (3.6 mi from Bull Mountain). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.