Lochsloy, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lochsloy, a community in Snohomish County, Washington.
Overnight
49°F
Mostly Cloudy
Mostly cloudy, with a low around 49. East southeast wind around 1 mph.
7-day forecast for Lochsloy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Cloudy | 1 mph ESE | 0% |
| Saturday | 74°F | Partly Sunny | 2 mph NW | 0% |
| Saturday Night | 48°F | Mostly Clear | 1 mph NNW | 0% |
| Sunday | 74°F | Partly Sunny | 2 mph NW | 0% |
| Sunday Night | 48°F | Partly Cloudy | 2 mph NNW | 0% |
| Monday | 72°F | Mostly Sunny | 2 mph NW | 0% |
| Monday Night | 49°F | Partly Cloudy | 2 mph N | 1% |
| Tuesday | 69°F | Partly Sunny | 2 mph NW | 1% |
| Tuesday Night | 47°F | Mostly Cloudy | 2 mph NNE | 11% |
| Wednesday | 68°F | Partly Sunny then Slight Chance Light Rain | 1 mph S | 17% |
| Wednesday Night | 48°F | Slight Chance Light Rain then Mostly Cloudy | 1 mph NNW | 17% |
| Thursday | 66°F | Mostly Cloudy then Slight Chance Light Rain | 2 mph NNW | 17% |
| Thursday Night | 46°F | Slight Chance Light Rain | 2 mph NNW | 21% |
| Friday | 65°F | Slight Chance Light Rain | 2 mph NW | 21% |
Forecast source: National Weather Service (api.weather.gov) for Lochsloy (48.060, -122.041). Updated through the day.
Growing snapshot for Lochsloy
Last spring frost
Mar 24
First fall frost
Nov 2
Growing season
223 days
Hardiness zone
8b
More local growing data for Lochsloy: nearby ZIP 98258 weather · frost dates · planting calendar · Washington frost dates
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Climate data from the nearest NOAA station, Everett, Wa (6.6 mi from Lochsloy). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.