Monmouth, OR Weather & Growing Conditions
Today
96°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 96. North wind 7 to 12 mph, with gusts as high as 21 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 96°F | Areas Of Smoke | 7 to 12 mph N | 0% |
| Tonight | 62°F | Smoke | 1 to 10 mph NNW | 0% |
| Wednesday | 99°F | Smoke | 1 to 5 mph N | 0% |
| Wednesday Night | 60°F | Clear | 0 to 3 mph NW | 0% |
| Thursday | 98°F | Sunny | 0 to 6 mph NNW | 0% |
| Thursday Night | 57°F | Clear | 0 to 6 mph NW | 0% |
| Friday | 94°F | Sunny | 0 to 7 mph N | 0% |
| Friday Night | 58°F | Clear | 1 to 7 mph NNW | 0% |
| Saturday | 90°F | Sunny | 1 to 10 mph NNW | 0% |
| Saturday Night | 54°F | Mostly Clear | 2 to 10 mph NW | 0% |
| Sunday | 83°F | Sunny | 2 to 10 mph N | 0% |
| Sunday Night | 52°F | Mostly Clear | 1 to 10 mph NW | 0% |
| Monday | 83°F | Sunny | 1 to 9 mph N | 0% |
| Monday Night | 52°F | Mostly Clear | 0 to 9 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Monmouth, OR
Last spring frost
Apr 18
First fall frost
Nov 7
Growing season
202 days
Hardiness zone
8b
Explore more for Monmouth, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Falls City 2 Ssw, Or (7.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.