Coos Bay, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coos Bay, a city in Coos County, Oregon.
Overnight
55°F
Areas Of Smoke
Areas of smoke. Mostly clear, with a low around 55. North wind around 7 mph.
7-day forecast for Coos Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Areas Of Smoke | 7 mph N | 0% |
| Tuesday | 78°F | Smoke | 3 to 13 mph N | 0% |
| Tuesday Night | 55°F | Areas Of Smoke | 5 to 13 mph N | 0% |
| Wednesday | 75°F | Sunny | 5 to 10 mph NNW | 0% |
| Wednesday Night | 54°F | Partly Cloudy | 0 to 9 mph NNW | 0% |
| Thursday | 71°F | Mostly Sunny | 0 to 7 mph N | 0% |
| Thursday Night | 54°F | Partly Cloudy | 1 to 7 mph N | 0% |
| Friday | 72°F | Mostly Sunny | 1 to 10 mph N | 0% |
| Friday Night | 54°F | Mostly Clear | 3 to 10 mph N | 0% |
| Saturday | 69°F | Sunny | 3 to 12 mph N | 0% |
| Saturday Night | 54°F | Partly Cloudy | 5 to 12 mph N | 0% |
| Sunday | 68°F | Sunny | 5 to 13 mph N | 0% |
| Sunday Night | 53°F | Partly Cloudy | 5 to 12 mph N | 0% |
| Monday | 67°F | Sunny | 5 to 12 mph N | 1% |
Forecast source: National Weather Service (api.weather.gov) for Coos Bay (43.381, -124.233). Updated through the day.
Growing snapshot for Coos Bay
Last spring frost
Feb 21
First fall frost
Dec 9
Growing season
294 days
Hardiness zone
9a
More local growing data for Coos Bay: nearby ZIP 97459 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, North Bend Rgnl Ap, Or (5.8 mi from Coos Bay). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.