Harrisburg, OR Weather & Growing Conditions
Today
96°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 96. North wind 3 to 12 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Areas Of Smoke | 3 to 12 mph N | 0% |
| Tonight | 61°F | Areas Of Smoke | 1 to 12 mph N | 0% |
| Wednesday | 99°F | Areas Of Smoke | 1 to 6 mph N | 0% |
| Wednesday Night | 59°F | Clear | 1 to 6 mph W | 0% |
| Thursday | 99°F | Sunny | 0 to 7 mph WNW | 0% |
| Thursday Night | 57°F | Clear | 1 to 7 mph W | 0% |
| Friday | 94°F | Sunny | 1 to 10 mph NNW | 0% |
| Friday Night | 59°F | Clear | 3 to 10 mph N | 0% |
| Saturday | 90°F | Sunny | 3 to 12 mph N | 0% |
| Saturday Night | 54°F | Mostly Clear | 6 to 12 mph NNW | 0% |
| Sunday | 84°F | Sunny | 6 to 13 mph N | 0% |
| Sunday Night | 52°F | Mostly Clear | 6 to 13 mph N | 0% |
| Monday | 83°F | Sunny | 6 to 12 mph N | 0% |
| Monday Night | 51°F | Mostly Clear | 2 to 12 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrisburg, OR
Last spring frost
Apr 11
First fall frost
Oct 23
Growing season
196 days
Hardiness zone
8b
Explore more for Harrisburg, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Eugene Mahlon Sweet Ap, Or (12.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.