Markham, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Markham, a community in Grays Harbor County, Washington.
This Afternoon
58°F
Mostly Sunny
Mostly sunny. High near 58, with temperatures falling to around 54 in the afternoon. East southeast wind around 2 mph.
7-day forecast for Markham
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Mostly Sunny | 2 mph ESE | 3% |
| Tonight | 42°F | Partly Cloudy | 2 to 6 mph SE | 4% |
| Wednesday | 56°F | Mostly Cloudy then Light Rain | 6 to 12 mph SE | 82% |
| Wednesday Night | 49°F | Light Rain then Mostly Cloudy | 5 to 13 mph SSW | 100% |
| Thursday | 56°F | Partly Sunny then Slight Chance Light Rain | 5 to 10 mph SSW | 24% |
| Thursday Night | 50°F | Light Rain | 10 to 14 mph S | 91% |
| Friday | 57°F | Light Rain | 9 to 15 mph S | 91% |
| Friday Night | 49°F | Chance Light Rain | 7 to 10 mph SE | 48% |
| Saturday | 59°F | Light Rain Likely | 10 to 22 mph SSE | 67% |
| Saturday Night | 51°F | Showers And Thunderstorms | 20 to 26 mph SSW | 90% |
| Sunday | 57°F | Light Rain Likely | 6 to 20 mph SW | 61% |
| Sunday Night | 47°F | Chance Light Rain | 5 to 8 mph SE | 37% |
| Monday | 56°F | Light Rain Likely | 8 to 15 mph SE | 62% |
| Monday Night | 50°F | Light Rain | 15 to 23 mph SSE | 80% |
Forecast source: National Weather Service (api.weather.gov) for Markham (46.914, -123.988). Updated through the day.
Growing snapshot for Markham
Last spring frost
Mar 29
First fall frost
Nov 15
Growing season
234 days
Hardiness zone
8b
More local growing data for Markham: nearby ZIP 98520 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Aberdeen, Wa (1.6 mi from Markham). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.