Lyman, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lyman, a town in Skagit County, Washington.
This Afternoon
58°F
Partly Sunny
Partly sunny. High near 58, with temperatures falling to around 53 in the afternoon. Wind around 0 mph.
7-day forecast for Lyman
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Partly Sunny | 0 mph | 5% |
| Tonight | 39°F | Partly Cloudy | 0 to 5 mph NE | 5% |
| Wednesday | 60°F | Mostly Sunny | 5 mph ESE | 12% |
| Wednesday Night | 46°F | Light Rain | 1 to 13 mph SE | 100% |
| Thursday | 55°F | Light Rain Likely | 3 mph SSE | 63% |
| Thursday Night | 44°F | Light Rain | 3 to 13 mph SE | 93% |
| Friday | 54°F | Light Rain | 5 to 13 mph ESE | 93% |
| Friday Night | 45°F | Chance Light Rain | 5 to 9 mph ESE | 46% |
| Saturday | 60°F | Chance Light Rain | 7 to 12 mph ESE | 39% |
| Saturday Night | 47°F | Light Rain | 10 to 16 mph SSE | 87% |
| Sunday | 55°F | Light Rain | 1 to 12 mph S | 87% |
| Sunday Night | 40°F | Chance Light Rain | 1 to 9 mph ESE | 41% |
| Monday | 55°F | Chance Light Rain | 7 to 10 mph E | 54% |
| Monday Night | 44°F | Light Rain | 7 to 15 mph ESE | 76% |
Forecast source: National Weather Service (api.weather.gov) for Lyman (48.524, -122.066). Updated through the day.
Growing snapshot for Lyman
Last spring frost
Mar 27
First fall frost
Nov 6
Growing season
224 days
Hardiness zone
8b
More local growing data for Lyman: nearby ZIP 98263 weather · frost dates · planting calendar · Washington frost dates
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Sedro-Woolley
Climate data from the nearest NOAA station, Sedro-Woolley, Wa (8 mi from Lyman). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.