Harman US

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

WhenTempForecastWindPrecip
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

Nearby towns & communities

All Oregon locations ›

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.