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
60°F
Partly Sunny then Light Rain Likely
Rain likely after 4pm. Partly sunny. High near 60, with temperatures falling to around 55 in the afternoon. South wind 1 to 5 mph. Chance of precipitation is 70%.
7-day forecast for Sweet Home
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Partly Sunny then Light Rain Likely | 1 to 5 mph S | 67% |
| Tonight | 43°F | Light Rain | 1 to 6 mph S | 95% |
| Thursday | 59°F | Patchy Fog then Mostly Sunny | 1 mph SE | 12% |
| Thursday Night | 39°F | Partly Cloudy | 0 to 5 mph E | 3% |
| Friday | 62°F | Mostly Cloudy | 0 to 3 mph SE | 10% |
| Friday Night | 41°F | Partly Cloudy | 0 to 5 mph SSE | 10% |
| Saturday | 66°F | Mostly Sunny then Slight Chance Light Rain | 2 mph S | 15% |
| Saturday Night | 44°F | Light Rain Likely | 1 to 10 mph S | 66% |
| Sunday | 56°F | Light Rain Likely | 1 to 6 mph SSW | 62% |
| Sunday Night | 41°F | Slight Chance Light Rain | 3 mph ENE | 15% |
| Monday | 57°F | Slight Chance Light Rain | 2 mph S | 22% |
| Monday Night | 42°F | Chance Light Rain | 1 to 9 mph SSE | 29% |
| Tuesday | 59°F | Chance Light Rain | 2 to 7 mph SSE | 32% |
| Tuesday Night | 44°F | Chance Light Rain | 2 to 10 mph SSE | 38% |
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
8b
More local growing data for Sweet Home: nearby ZIP 97386 weather · frost dates · planting calendar · Oregon frost dates
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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 Nov 4, 2026.