Lake McMurray, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lake McMurray, a community in Skagit County, Washington.
This Afternoon
72°F
Mostly Sunny
Mostly sunny, with a high near 72. West northwest wind around 3 mph.
7-day forecast for Lake McMurray
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Mostly Sunny | 3 mph WNW | 0% |
| Tonight | 51°F | Mostly Clear | 2 mph WNW | 0% |
| Sunday | 72°F | Mostly Sunny | 3 mph WSW | 0% |
| Sunday Night | 51°F | Mostly Cloudy | 2 mph ENE | 0% |
| Monday | 70°F | Partly Sunny | 3 mph SW | 0% |
| Monday Night | 51°F | Partly Cloudy | 3 mph N | 0% |
| Tuesday | 68°F | Partly Sunny | 3 mph SW | 1% |
| Tuesday Night | 51°F | Mostly Cloudy | 3 mph S | 11% |
| Wednesday | 66°F | Partly Sunny | 3 mph S | 13% |
| Wednesday Night | 49°F | Mostly Cloudy | 2 mph N | 10% |
| Thursday | 64°F | Mostly Cloudy then Slight Chance Light Rain | 1 to 5 mph NNW | 16% |
| Thursday Night | 49°F | Chance Light Rain | 5 mph NNW | 26% |
| Friday | 64°F | Chance Light Rain | 5 mph NW | 26% |
| Friday Night | 47°F | Slight Chance Light Rain | 5 mph NE | 23% |
Forecast source: National Weather Service (api.weather.gov) for Lake McMurray (48.319, -122.233). Updated through the day.
Growing snapshot for Lake McMurray
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
8b
More local growing data for Lake McMurray: nearby ZIP 98274 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Arlington, Wa (10.3 mi from Lake McMurray). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.