Lewisville, WA Weather & Growing Conditions
This Afternoon
60°F
Mostly Cloudy
Mostly cloudy. High near 60, with temperatures falling to around 55 in the afternoon. East northeast wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 60°F | Mostly Cloudy | 1 mph ENE | 13% |
| Tonight | 38°F | Mostly Clear then Patchy Fog | 1 mph ENE | 5% |
| Wednesday | 57°F | Areas Of Fog then Chance Light Rain | 2 mph SE | 48% |
| Wednesday Night | 46°F | Light Rain | 2 to 6 mph SSE | 97% |
| Thursday | 56°F | Chance Light Rain then Mostly Cloudy | 0 to 3 mph S | 50% |
| Thursday Night | 44°F | Light Rain Likely | 0 to 3 mph E | 65% |
| Friday | 56°F | Light Rain Likely | 1 to 5 mph SE | 66% |
| Friday Night | 45°F | Chance Light Rain | 3 mph ESE | 26% |
| Saturday | 63°F | Partly Sunny then Slight Chance Light Rain | 3 mph SE | 20% |
| Saturday Night | 47°F | Light Rain | 3 to 13 mph SSE | 75% |
| Sunday | 57°F | Light Rain | 1 to 9 mph SSW | 75% |
| Sunday Night | 44°F | Chance Light Rain | 2 mph E | 25% |
| Monday | 57°F | Chance Light Rain | 3 mph SE | 49% |
| Monday Night | 45°F | Light Rain Likely | 2 to 9 mph SE | 57% |
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 Nov 3, 2026.