Sweet Home, OR Weather & Growing Conditions
This Afternoon
57°F
Partly Sunny
Partly sunny. High near 57, with temperatures falling to around 51 in the afternoon. West southwest wind 0 to 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Partly Sunny | 0 to 3 mph WSW | 3% |
| Tonight | 39°F | Patchy Fog then Mostly Clear | 3 mph SE | 3% |
| Wednesday | 59°F | Patchy Fog then Chance Light Rain | 3 mph S | 32% |
| Wednesday Night | 46°F | Light Rain | 2 to 6 mph S | 89% |
| Thursday | 58°F | Slight Chance Light Rain then Mostly Sunny | 2 mph S | 15% |
| Thursday Night | 43°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 5 mph E | 18% |
| Friday | 59°F | Slight Chance Light Rain | 3 mph SSE | 23% |
| Friday Night | 44°F | Mostly Cloudy | 1 to 5 mph SSE | 12% |
| Saturday | 65°F | Mostly Sunny then Slight Chance Light Rain | 0 to 3 mph SSW | 15% |
| Saturday Night | 47°F | Light Rain Likely | 1 to 10 mph S | 69% |
| Sunday | 57°F | Light Rain Likely | 1 to 9 mph SSW | 69% |
| Sunday Night | 44°F | Areas Of Fog then Mostly Cloudy | 2 mph ESE | 15% |
| Monday | 58°F | Chance Light Rain | 2 mph SSE | 35% |
| Monday Night | 45°F | Chance Light Rain | 2 to 7 mph S | 35% |
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 Nov 4, 2026.