Oak Harbor, WA Weather & Growing Conditions
Today
82°F
Sunny
Sunny, with a high near 82. Northwest wind 2 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Sunny | 2 to 8 mph NW | 0% |
| Tonight | 56°F | Mostly Clear | 0 to 6 mph NW | 0% |
| Wednesday | 84°F | Sunny | 1 to 7 mph NW | 0% |
| Wednesday Night | 57°F | Mostly Clear | 0 to 6 mph W | 0% |
| Thursday | 84°F | Sunny | 0 to 6 mph WSW | 0% |
| Thursday Night | 58°F | Mostly Clear | 2 to 6 mph WSW | 0% |
| Friday | 81°F | Sunny | 2 to 7 mph SW | 0% |
| Friday Night | 56°F | Mostly Clear | 3 to 7 mph W | 0% |
| Saturday | 74°F | Sunny | 3 to 13 mph WSW | 0% |
| Saturday Night | 55°F | Mostly Clear | 3 to 13 mph WSW | 0% |
| Sunday | 73°F | Mostly Sunny | 3 to 7 mph WSW | 0% |
| Sunday Night | 54°F | Partly Cloudy | 3 to 7 mph W | 1% |
| Monday | 73°F | Mostly Sunny | 3 to 7 mph WSW | 1% |
| Monday Night | 54°F | Partly Cloudy | 2 to 7 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Oak Harbor, WA
Last spring frost
Mar 13
First fall frost
Nov 14
Growing season
244 days
Hardiness zone
8b
Explore more for Oak Harbor, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Whidbey Island Nas, Wa (2.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.