Coos Bay, OR Weather & Growing Conditions
Today
71°F
Mostly Sunny
Mostly sunny. High near 71, with temperatures falling to around 66 in the afternoon. North northwest wind 2 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Mostly Sunny | 2 to 8 mph NNW | 0% |
| Tonight | 50°F | Mostly Cloudy | 7 mph NNW | 0% |
| Sunday | 69°F | Partly Sunny | 2 to 8 mph NNW | 0% |
| Sunday Night | 51°F | Mostly Cloudy | 0 to 8 mph NW | 0% |
| Monday | 69°F | Partly Sunny | 0 to 7 mph N | 0% |
| Monday Night | 52°F | Mostly Cloudy | 1 to 7 mph N | 0% |
| Tuesday | 68°F | Mostly Sunny | 1 to 7 mph N | 0% |
| Tuesday Night | 46°F | Partly Cloudy | 0 to 7 mph N | 0% |
| Wednesday | 69°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Wednesday Night | 48°F | Partly Cloudy | 0 to 5 mph NNE | 1% |
| Thursday | 69°F | Mostly Sunny | 1 to 6 mph NNE | 9% |
| Thursday Night | 48°F | Mostly Cloudy | 1 to 6 mph N | 9% |
| Friday | 66°F | Mostly Sunny | 1 to 7 mph N | 9% |
| Friday Night | 46°F | Partly Cloudy | 1 to 7 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Coos Bay, OR
Last spring frost
Feb 21
First fall frost
Dec 9
Growing season
294 days
Hardiness zone
9a
Explore more for Coos Bay, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, North Bend Rgnl Ap, Or (8.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.