Lexington, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lexington, a community in Cowlitz County, Washington.
This Afternoon
58°F
Light Rain
Rain after 3pm. Cloudy. High near 58, with temperatures falling to around 53 in the afternoon. South wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Lexington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Light Rain | 7 mph S | 83% |
| Tonight | 46°F | Light Rain | 2 to 8 mph SSE | 96% |
| Thursday | 57°F | Partly Sunny | 1 to 6 mph SSE | 8% |
| Thursday Night | 44°F | Areas Of Fog then Chance Light Rain | 0 to 6 mph SSE | 38% |
| Friday | 55°F | Light Rain | 6 to 15 mph SSE | 78% |
| Friday Night | 48°F | Light Rain | 3 to 7 mph SSE | 75% |
| Saturday | 64°F | Partly Sunny then Chance Light Rain | 3 to 8 mph SSE | 28% |
| Saturday Night | 50°F | Light Rain | 7 to 16 mph S | 86% |
| Sunday | 57°F | Light Rain Likely | 0 to 10 mph SW | 65% |
| Sunday Night | 42°F | Mostly Cloudy | 1 mph NNE | 6% |
| Monday | 57°F | Partly Sunny then Slight Chance Light Rain | 1 to 7 mph ESE | 18% |
| Monday Night | 46°F | Chance Light Rain | 5 to 14 mph SSE | 53% |
| Tuesday | 58°F | Light Rain Likely | 7 to 16 mph SSE | 59% |
| Tuesday Night | 48°F | Light Rain Likely | 7 to 12 mph SSE | 57% |
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 Nov 5, 2026.