La Conner, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for La Conner, a town in Skagit County, Washington.
Overnight
52°F
Mostly Cloudy
Mostly cloudy, with a low around 52. South wind around 1 mph.
7-day forecast for La Conner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Cloudy | 1 mph S | 0% |
| Saturday | 68°F | Partly Sunny | 3 mph SW | 0% |
| Saturday Night | 52°F | Partly Cloudy | 2 mph WSW | 0% |
| Sunday | 68°F | Partly Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 52°F | Mostly Cloudy | 0 to 5 mph SW | 0% |
| Monday | 69°F | Mostly Sunny | 0 to 3 mph SSW | 0% |
| Monday Night | 53°F | Partly Cloudy | 0 to 3 mph WSW | 0% |
| Tuesday | 67°F | Partly Sunny | 0 to 5 mph WSW | 0% |
| Tuesday Night | 52°F | Mostly Cloudy | 1 to 5 mph SW | 12% |
| Wednesday | 66°F | Partly Sunny then Slight Chance Light Rain | 3 mph SW | 16% |
| Wednesday Night | 52°F | Slight Chance Light Rain then Mostly Cloudy | 0 to 3 mph W | 16% |
| Thursday | 65°F | Mostly Cloudy | 0 to 5 mph NW | 14% |
| Thursday Night | 51°F | Slight Chance Light Rain | 1 to 5 mph WNW | 22% |
| Friday | 64°F | Slight Chance Light Rain then Partly Sunny | 1 to 6 mph WNW | 22% |
Forecast source: National Weather Service (api.weather.gov) for La Conner (48.393, -122.494). Updated through the day.
Growing snapshot for La Conner
Last spring frost
Mar 24
First fall frost
Nov 3
Growing season
224 days
Hardiness zone
8b
More local growing data for La Conner: nearby ZIP 98257 weather · frost dates · planting calendar · Washington frost dates
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Lake Ketchum
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Marblemount
Mount Vernon
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Sedro-Woolley
Climate data from the nearest NOAA station, Mt Vernon 3 Wnw, Wa (6.2 mi from La Conner). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.