Lexington, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lexington, a community in Cowlitz County, Washington.
Overnight
50°F
Patchy Fog
Patchy fog before 4am. Partly cloudy, with a low around 50. North wind around 2 mph.
7-day forecast for Lexington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Patchy Fog | 2 mph N | 0% |
| Sunday | 79°F | Mostly Sunny | 2 to 6 mph N | 0% |
| Sunday Night | 50°F | Mostly Clear | 5 mph NNW | 0% |
| Monday | 76°F | Mostly Cloudy | 2 to 7 mph NNW | 0% |
| Monday Night | 52°F | Partly Cloudy then Patchy Fog | 1 to 7 mph NNW | 0% |
| Tuesday | 73°F | Patchy Fog then Partly Sunny | 1 to 7 mph NW | 0% |
| Tuesday Night | 48°F | Partly Cloudy then Patchy Fog | 0 to 7 mph WNW | 2% |
| Wednesday | 70°F | Patchy Fog then Partly Sunny | 0 to 5 mph WSW | 2% |
| Wednesday Night | 48°F | Mostly Cloudy | 5 mph NNW | 2% |
| Thursday | 69°F | Mostly Cloudy then Slight Chance Light Rain | 5 mph N | 20% |
| Thursday Night | 50°F | Chance Light Rain | 1 to 5 mph NW | 44% |
| Friday | 64°F | Chance Light Rain | 2 to 6 mph SW | 44% |
| Friday Night | 47°F | Slight Chance Light Rain then Mostly Cloudy | 1 to 6 mph SSW | 22% |
| Saturday | 67°F | Partly Sunny | 6 mph NE | 11% |
Forecast source: National Weather Service (api.weather.gov) for Lexington (46.189, -122.913). Updated through the day.
Growing snapshot for Lexington
Last spring frost
Apr 8
First fall frost
Nov 5
Growing season
210 days
Hardiness zone
8b
More local growing data for Lexington: nearby ZIP 98609 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Longview, Wa (6 mi from Lexington). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.