Lyman, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lyman, a town in Skagit County, Washington.
Today
85°F
Patchy Smoke
Patchy smoke. Sunny, with a high near 85. Northwest wind 0 to 7 mph.
7-day forecast for Lyman
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Patchy Smoke | 0 to 7 mph NW | 0% |
| Tonight | 58°F | Patchy Smoke | 5 mph NNW | 0% |
| Wednesday | 89°F | Areas Of Smoke | 1 to 6 mph ENE | 0% |
| Wednesday Night | 60°F | Clear | 0 to 6 mph NE | 0% |
| Thursday | 88°F | Sunny | 1 to 6 mph S | 0% |
| Thursday Night | 60°F | Mostly Clear | 0 to 6 mph SW | 0% |
| Friday | 83°F | Sunny | 0 to 7 mph SW | 0% |
| Friday Night | 57°F | Mostly Clear | 0 to 7 mph S | 0% |
| Saturday | 79°F | Sunny | 0 to 8 mph WSW | 0% |
| Saturday Night | 53°F | Mostly Clear | 0 to 8 mph SSW | 3% |
| Sunday | 76°F | Mostly Sunny | 0 to 7 mph WSW | 3% |
| Sunday Night | 52°F | Mostly Clear | 0 to 7 mph WNW | 5% |
| Monday | 76°F | Sunny | 0 to 7 mph W | 6% |
| Monday Night | 52°F | Mostly Clear | 0 to 7 mph WNW | 2% |
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 Aug 4, 2026.