Lamont, WA Weather & Growing Conditions
Tonight
50°F
Mostly Clear
Mostly clear, with a low around 50. Southwest wind 0 to 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Mostly Clear | 0 to 3 mph SW | 0% |
| Saturday | 79°F | Sunny | 1 to 5 mph S | 0% |
| Saturday Night | 50°F | Mostly Clear | 3 mph S | 0% |
| Sunday | 83°F | Sunny | 5 mph SE | 0% |
| Sunday Night | 52°F | Mostly Clear | 3 mph E | 0% |
| Monday | 84°F | Sunny | 6 mph SE | 0% |
| Monday Night | 53°F | Partly Cloudy | 2 to 6 mph S | 0% |
| Tuesday | 79°F | Mostly Sunny | 2 to 7 mph S | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 2 to 6 mph S | 0% |
| Wednesday | 75°F | Mostly Sunny | 6 mph S | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 5 mph SE | 0% |
| Thursday | 80°F | Mostly Sunny | 5 mph SE | 2% |
| Thursday Night | 52°F | Partly Cloudy | 5 mph NE | 7% |
| Friday | 75°F | Mostly Sunny | 7 mph SW | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lamont, WA
Last spring frost
Apr 29
First fall frost
Oct 4
Growing season
161 days
Hardiness zone
6b
Explore more for Lamont, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, St John, Wa (15.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.