South Lebanon, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Lebanon, a community in Linn County, Oregon.
Overnight
55°F
Smoke
Smoke. Clear. Low around 55, with temperatures rising to around 57 overnight. West northwest wind around 2 mph.
7-day forecast for South Lebanon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Smoke | 2 mph WNW | 0% |
| Tuesday | 96°F | Areas Of Smoke | 1 to 10 mph NNW | 0% |
| Tuesday Night | 61°F | Areas Of Smoke | 1 to 10 mph NW | 0% |
| Wednesday | 98°F | Smoke | 1 to 6 mph NW | 0% |
| Wednesday Night | 61°F | Clear | 1 to 6 mph W | 0% |
| Thursday | 98°F | Sunny | 0 to 7 mph NW | 0% |
| Thursday Night | 58°F | Clear | 0 to 7 mph W | 0% |
| Friday | 93°F | Sunny | 0 to 10 mph NNW | 0% |
| Friday Night | 59°F | Clear | 1 to 10 mph N | 0% |
| Saturday | 89°F | Sunny | 1 to 10 mph N | 0% |
| Saturday Night | 56°F | Mostly Clear | 3 to 10 mph NNW | 0% |
| Sunday | 83°F | Sunny | 3 to 10 mph N | 0% |
| Sunday Night | 53°F | Mostly Clear | 2 to 12 mph N | 0% |
| Monday | 83°F | Sunny | 2 to 10 mph N | 0% |
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
8b
More local growing data for South Lebanon: nearby ZIP 97355 weather · frost dates · planting calendar · Oregon frost dates
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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 Aug 4, 2026.