South Lebanon, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for South Lebanon, a community in Linn County, Oregon.

Today

78°F

Areas Of Fog then Mostly Sunny

Areas of fog before 10am. Mostly sunny, with a high near 78. North wind 0 to 5 mph.

7-day forecast for South Lebanon

When	Temp	Forecast	Wind	Precip
Today	78°F	Areas Of Fog then Mostly Sunny	0 to 5 mph N	0%
Tonight	51°F	Partly Cloudy	0 to 3 mph N	0%
Sunday	80°F	Areas Of Fog then Sunny	0 to 6 mph NNW	0%
Sunday Night	52°F	Mostly Clear then Patchy Fog	0 to 5 mph NNW	0%
Monday	76°F	Areas Of Fog then Mostly Sunny	0 to 7 mph NNW	0%
Monday Night	50°F	Mostly Clear then Patchy Fog	0 to 7 mph N	0%
Tuesday	73°F	Areas Of Fog then Mostly Sunny	0 to 6 mph N	0%
Tuesday Night	48°F	Partly Cloudy then Patchy Fog	0 to 6 mph N	0%
Wednesday	72°F	Areas Of Fog then Mostly Sunny	0 to 5 mph NNW	0%
Wednesday Night	49°F	Partly Cloudy	1 to 5 mph N	1%
Thursday	71°F	Mostly Sunny	1 to 7 mph N	7%
Thursday Night	49°F	Mostly Cloudy	2 to 7 mph NNW	10%
Friday	68°F	Mostly Sunny	2 to 8 mph NNW	9%
Friday Night	46°F	Partly Cloudy	2 to 8 mph N	9%

Forecast source: National Weather Service (api.weather.gov) for South Lebanon (44.506, -122.901). Updated through the day.

Growing snapshot for South Lebanon

Last spring frost

Mar 14

First fall frost

Nov 18

Growing season

248 days

Hardiness zone

More local growing data for South Lebanon: nearby ZIP 97355 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 Sweet Home Tangent Waterloo West Scio

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Climate data from the nearest NOAA station, Lebanon, Or (4 mi from South Lebanon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.