Arlington Heights, WA Weather & Growing Conditions
Today
86°F
Smoke
Smoke. Sunny, with a high near 86. Northwest wind 1 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Smoke | 1 to 6 mph NW | 0% |
| Tonight | 59°F | Patchy Smoke | 5 mph ESE | 0% |
| Wednesday | 89°F | Areas Of Smoke | 2 to 6 mph NW | 0% |
| Wednesday Night | 61°F | Clear | 6 mph N | 0% |
| Thursday | 89°F | Sunny | 5 mph WSW | 0% |
| Thursday Night | 61°F | Mostly Clear | 1 to 5 mph E | 0% |
| Friday | 84°F | Sunny | 1 to 6 mph SW | 0% |
| Friday Night | 58°F | Mostly Clear | 2 to 6 mph NNW | 0% |
| Saturday | 79°F | Sunny | 1 to 7 mph NW | 0% |
| Saturday Night | 55°F | Mostly Clear | 2 to 7 mph N | 0% |
| Sunday | 75°F | Mostly Sunny | 1 to 6 mph WSW | 0% |
| Sunday Night | 54°F | Mostly Clear | 1 to 6 mph NNE | 3% |
| Monday | 75°F | Mostly Sunny | 1 to 6 mph SW | 3% |
| Monday Night | 54°F | Partly Cloudy | 2 to 6 mph N | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Arlington Heights, WA
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
8b
Explore more for Arlington Heights, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Arlington, Wa (8.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.