Coos Bay, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coos Bay, a city in Coos County, Oregon.
Today
68°F
Partly Sunny
Partly sunny. High near 68, with temperatures falling to around 64 in the afternoon. North northwest wind 3 to 9 mph.
7-day forecast for Coos Bay
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Partly Sunny | 3 to 9 mph NNW | 0% |
| Tonight | 52°F | Mostly Cloudy | 9 mph N | 0% |
| Sunday | 67°F | Mostly Cloudy | 6 to 13 mph NNW | 0% |
| Sunday Night | 53°F | Mostly Cloudy | 2 to 12 mph N | 0% |
| Monday | 68°F | Partly Sunny | 2 to 12 mph N | 0% |
| Monday Night | 53°F | Mostly Cloudy | 3 to 12 mph N | 0% |
| Tuesday | 67°F | Mostly Sunny | 3 to 10 mph N | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 1 to 10 mph N | 0% |
| Wednesday | 68°F | Mostly Sunny | 1 to 8 mph NNE | 0% |
| Wednesday Night | 49°F | Partly Cloudy | 2 to 8 mph N | 2% |
| Thursday | 68°F | Mostly Sunny | 2 to 10 mph N | 11% |
| Thursday Night | 49°F | Mostly Cloudy | 5 to 10 mph N | 11% |
| Friday | 66°F | Mostly Sunny | 5 to 12 mph N | 10% |
| Friday Night | 48°F | Partly Cloudy | 2 to 12 mph N | 5% |
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 Sep 19, 2026.