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

When	Temp	Forecast	Wind	Precip
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

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

Nearby towns & communities

Aloha Banks Beaverton Bethany Cedar Hills Cedar Mill Cherry Grove Cornelius Dilley Durham Forest Grove Garden Home-Whitford Gaston Hillsboro King City Marlene Village Metzger North Plains Oak Hills Raleigh Hills Rockcreek Sherwood Tigard Tualatin West Haven-Sylvan West Slope

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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.