Lewisville, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lewisville, a community in Clark County, Washington.
Today
57°F
Patchy Fog then Light Rain Likely
Patchy fog before 9am, then rain likely. Mostly cloudy. High near 57, with temperatures falling to around 53 in the afternoon. South southeast wind around 2 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Lewisville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 57°F | Patchy Fog then Light Rain Likely | 2 mph SSE | 58% |
| Tonight | 45°F | Light Rain | 2 to 6 mph S | 95% |
| Thursday | 56°F | Slight Chance Light Rain then Patchy Fog | 2 mph SSE | 21% |
| Thursday Night | 41°F | Mostly Cloudy then Chance Light Rain | 2 mph E | 30% |
| Friday | 56°F | Chance Light Rain | 3 mph SE | 49% |
| Friday Night | 45°F | Chance Light Rain | 3 mph E | 49% |
| Saturday | 63°F | Partly Sunny then Slight Chance Light Rain | 3 mph SE | 23% |
| Saturday Night | 47°F | Light Rain | 2 to 13 mph SSE | 77% |
| Sunday | 55°F | Light Rain Likely | 0 to 8 mph SSW | 63% |
| Sunday Night | 42°F | Slight Chance Light Rain | 0 to 3 mph NE | 15% |
| Monday | 55°F | Chance Light Rain | 2 mph ESE | 37% |
| Monday Night | 44°F | Chance Light Rain | 2 to 8 mph SE | 43% |
| Tuesday | 56°F | Chance Light Rain | 2 to 9 mph SSE | 44% |
| Tuesday Night | 45°F | Chance Light Rain | 2 to 9 mph SE | 45% |
Forecast source: National Weather Service (api.weather.gov) for Lewisville (45.817, -122.508). Updated through the day.
Growing snapshot for Lewisville
Last spring frost
Apr 26
First fall frost
Oct 16
Growing season
174 days
Hardiness zone
8b
More local growing data for Lewisville: nearby ZIP 98604 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Battle Ground, Wa (2.5 mi from Lewisville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.