Sweet Home, OR Weather & Growing Conditions
Tonight
50°F
Mostly Clear
Mostly clear, with a low around 50. West southwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Mostly Clear | 2 mph WSW | 0% |
| Saturday | 77°F | Patchy Fog then Mostly Sunny | 1 to 5 mph W | 0% |
| Saturday Night | 52°F | Partly Cloudy | 0 to 3 mph NNW | 0% |
| Sunday | 79°F | Sunny | 0 to 5 mph NW | 0% |
| Sunday Night | 52°F | Mostly Clear then Patchy Fog | 0 to 5 mph NNW | 0% |
| Monday | 74°F | Areas Of Fog then Mostly Sunny | 0 to 6 mph NNW | 0% |
| Monday Night | 50°F | Partly Cloudy then Patchy Fog | 0 to 6 mph N | 0% |
| Tuesday | 71°F | Areas Of Fog then Mostly Sunny | 0 to 6 mph NNW | 1% |
| Tuesday Night | 47°F | Partly Cloudy then Patchy Fog | 1 to 6 mph NNE | 1% |
| Wednesday | 72°F | Patchy Fog then Mostly Sunny | 1 to 5 mph NNE | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 1 to 5 mph NE | 0% |
| Thursday | 76°F | Mostly Sunny | 1 to 5 mph NNW | 5% |
| Thursday Night | 50°F | Slight Chance Light Rain | 1 to 5 mph SSW | 21% |
| Friday | 68°F | Slight Chance Light Rain then Mostly Sunny | 2 to 6 mph W | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sweet Home, OR
Last spring frost
Apr 12
First fall frost
Oct 28
Growing season
197 days
Hardiness zone
8b
Explore more for Sweet Home, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Foster Dam, Or (4.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.