Sweet Home, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sweet Home, a city in Linn County, Oregon.

Today

77°F

Mostly Sunny

Mostly sunny, with a high near 77. North northwest wind around 5 mph.

7-day forecast for Sweet Home

When	Temp	Forecast	Wind	Precip
Today	77°F	Mostly Sunny	5 mph NNW	0%
Tonight	51°F	Mostly Clear	0 to 3 mph NW	0%
Sunday	79°F	Patchy Fog then Sunny	0 to 5 mph NW	0%
Sunday Night	53°F	Partly Cloudy then Patchy Fog	2 mph NNW	0%
Monday	76°F	Areas Of Fog then Mostly Sunny	0 to 6 mph NNW	0%
Monday Night	50°F	Partly Cloudy then Areas Of Fog	0 to 6 mph NNW	0%
Tuesday	73°F	Areas Of Fog then Mostly Sunny	0 to 6 mph NNW	0%
Tuesday Night	47°F	Partly Cloudy then Patchy Fog	0 to 6 mph NNW	0%
Wednesday	72°F	Areas Of Fog then Mostly Sunny	0 to 6 mph WNW	0%
Wednesday Night	48°F	Partly Cloudy	1 to 5 mph N	1%
Thursday	71°F	Mostly Sunny	1 to 6 mph NNE	5%
Thursday Night	47°F	Mostly Cloudy then Slight Chance Light Rain	1 to 6 mph NNE	18%
Friday	67°F	Slight Chance Light Rain	1 to 6 mph N	18%
Friday Night	45°F	Partly Cloudy	2 to 6 mph NE	12%

Forecast source: National Weather Service (api.weather.gov) for Sweet Home (44.404, -122.702). Updated through the day.

Growing snapshot for Sweet Home

Last spring frost

Apr 12

First fall frost

Oct 28

Growing season

197 days

Hardiness zone

More local growing data for Sweet Home: nearby ZIP 97386 weather · frost dates · planting calendar · Oregon frost dates

Nearby towns & communities

Albany Black Butte Ranch Brownsville Cascadia Crabtree Crawfordsville Detroit Halsey Harrisburg Holley Idanha Lacomb Lebanon Mill City Millersburg Scio Shedd Sodaville South Lebanon Tangent Waterloo West Scio

All Oregon locations ›

Climate data from the nearest NOAA station, Foster Dam, Or (4.6 mi from Sweet Home). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.