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
59°F
Patchy Fog then Light Rain
Patchy fog before 10am, then rain. Mostly cloudy. High near 59, with temperatures falling to around 55 in the afternoon. South wind 1 to 5 mph. Chance of precipitation is 80%.
7-day forecast for South Lebanon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 59°F | Patchy Fog then Light Rain | 1 to 5 mph S | 83% |
| Tonight | 45°F | Light Rain | 3 to 9 mph S | 87% |
| Thursday | 59°F | Mostly Sunny | 0 to 3 mph S | 11% |
| Thursday Night | 39°F | Patchy Fog then Partly Cloudy | 2 mph ESE | 4% |
| Friday | 61°F | Mostly Cloudy | 1 to 5 mph S | 11% |
| Friday Night | 42°F | Mostly Cloudy | 3 mph S | 10% |
| Saturday | 64°F | Mostly Sunny then Slight Chance Light Rain | 2 mph S | 15% |
| Saturday Night | 46°F | Light Rain Likely | 2 to 14 mph S | 69% |
| Sunday | 56°F | Chance Light Rain | 1 to 9 mph SSW | 54% |
| Sunday Night | 41°F | Slight Chance Light Rain then Mostly Cloudy | 1 mph ENE | 15% |
| Monday | 57°F | Slight Chance Light Rain | 3 mph SSE | 22% |
| Monday Night | 43°F | Chance Light Rain | 1 to 9 mph S | 29% |
| Tuesday | 59°F | Chance Light Rain | 2 to 7 mph S | 34% |
| Tuesday Night | 45°F | Chance Light Rain | 2 to 10 mph S | 38% |
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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Idanha
Lacomb
Lebanon
Mill City
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Sodaville
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West Scio
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 Nov 4, 2026.