Big Lake, WA Weather & Growing Conditions
Today
82°F
Areas Of Smoke
Areas of smoke. Sunny. High near 82, with temperatures falling to around 80 in the afternoon. West northwest wind 1 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Areas Of Smoke | 1 to 7 mph WNW | 0% |
| Tonight | 56°F | Patchy Smoke | 2 to 6 mph N | 0% |
| Wednesday | 85°F | Patchy Smoke | 1 to 6 mph WNW | 0% |
| Wednesday Night | 58°F | Clear | 2 to 6 mph N | 0% |
| Thursday | 86°F | Sunny | 1 to 6 mph SSE | 0% |
| Thursday Night | 58°F | Mostly Clear | 2 to 6 mph S | 0% |
| Friday | 81°F | Sunny | 2 to 6 mph SW | 0% |
| Friday Night | 55°F | Mostly Clear | 2 to 6 mph SSE | 0% |
| Saturday | 74°F | Sunny | 1 to 7 mph WSW | 0% |
| Saturday Night | 52°F | Partly Cloudy | 1 to 7 mph S | 1% |
| Sunday | 72°F | Mostly Sunny | 1 to 7 mph SW | 1% |
| Sunday Night | 52°F | Mostly Clear | 1 to 7 mph N | 4% |
| Monday | 72°F | Mostly Sunny | 1 to 6 mph WSW | 4% |
| Monday Night | 52°F | Partly Cloudy | 1 to 6 mph E | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Big Lake, WA
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
8b
Explore more for Big Lake, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Arlington, Wa (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.