Lewisville, WA Weather & Growing Conditions
Overnight
51°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 51. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Patchy Fog | 0 mph | 0% |
| Saturday | 76°F | Patchy Fog then Mostly Sunny | 0 to 3 mph WNW | 0% |
| Saturday Night | 52°F | Mostly Clear | 2 mph NNW | 0% |
| Sunday | 79°F | Sunny | 1 to 5 mph NW | 0% |
| Sunday Night | 52°F | Mostly Clear | 1 to 5 mph NNW | 0% |
| Monday | 74°F | Patchy Fog then Mostly Sunny | 1 to 6 mph NW | 0% |
| Monday Night | 51°F | Partly Cloudy then Patchy Fog | 0 to 6 mph NNW | 0% |
| Tuesday | 70°F | Patchy Fog then Partly Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 49°F | Partly Cloudy then Patchy Fog | 0 to 5 mph NNW | 0% |
| Wednesday | 69°F | Areas Of Fog then Partly Sunny | 0 to 3 mph NW | 0% |
| Wednesday Night | 50°F | Mostly Cloudy | 0 to 3 mph NNW | 1% |
| Thursday | 68°F | Partly Sunny | 0 to 5 mph NNW | 14% |
| Thursday Night | 49°F | Mostly Cloudy | 1 to 5 mph NNW | 14% |
| Friday | 67°F | Partly Sunny | 1 to 5 mph NW | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lewisville, WA
Last spring frost
Apr 26
First fall frost
Oct 16
Growing season
174 days
Hardiness zone
8b
Explore more for Lewisville, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Battle Ground, Wa (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.