Beacon Hill, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Beacon Hill, a community in Cowlitz County, Washington.
Today
58°F
Mostly Cloudy then Light Rain Likely
Rain likely after 4pm. Mostly cloudy. High near 58, with temperatures falling to around 54 in the afternoon. South southeast wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Beacon Hill
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Mostly Cloudy then Light Rain Likely | 5 to 8 mph SSE | 69% |
| Tonight | 46°F | Light Rain | 2 to 8 mph SSE | 95% |
| Thursday | 58°F | Slight Chance Light Rain then Partly Sunny | 2 to 7 mph SSE | 19% |
| Thursday Night | 45°F | Patchy Fog then Chance Light Rain | 0 to 6 mph SSE | 49% |
| Friday | 57°F | Light Rain Likely | 6 to 15 mph SSE | 63% |
| Friday Night | 48°F | Chance Light Rain | 6 mph SSE | 51% |
| Saturday | 64°F | Partly Sunny then Chance Light Rain | 3 to 8 mph SSE | 28% |
| Saturday Night | 49°F | Light Rain | 8 to 17 mph S | 80% |
| Sunday | 57°F | Chance Light Rain | 1 to 10 mph SSW | 46% |
| Sunday Night | 44°F | Slight Chance Light Rain | 1 mph NNE | 15% |
| Monday | 57°F | Chance Light Rain | 1 to 8 mph ESE | 37% |
| Monday Night | 47°F | Chance Light Rain | 6 to 14 mph SSE | 47% |
| Tuesday | 58°F | Chance Light Rain | 7 to 16 mph SSE | 48% |
| Tuesday Night | 48°F | Chance Light Rain | 7 to 12 mph SSE | 46% |
Forecast source: National Weather Service (api.weather.gov) for Beacon Hill (46.171, -122.921). Updated through the day.
Growing snapshot for Beacon Hill
Last spring frost
Apr 8
First fall frost
Nov 5
Growing season
210 days
Hardiness zone
8b
More local growing data for Beacon Hill: 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 Beacon Hill). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.