Lamont, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lamont, a town in Whitman County, Washington.
Overnight
50°F
Areas Of Smoke
Areas of smoke. Clear, with a low around 50. Northeast wind around 6 mph.
7-day forecast for Lamont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Areas Of Smoke | 6 mph NE | 0% |
| Tuesday | 89°F | Smoke then Haze | 6 mph N | 0% |
| Tuesday Night | 54°F | Haze | 3 mph NE | 0% |
| Wednesday | 95°F | Areas Of Smoke | 3 mph SE | 0% |
| Wednesday Night | 58°F | Areas Of Smoke then Clear | 3 mph SE | 0% |
| Thursday | 99°F | Sunny | 3 to 8 mph S | 0% |
| Thursday Night | 62°F | Mostly Clear | 2 to 7 mph S | 0% |
| Friday | 98°F | Sunny | 7 to 13 mph SW | 0% |
| Friday Night | 62°F | Mostly Clear | 5 to 12 mph SW | 0% |
| Saturday | 94°F | Sunny | 6 to 12 mph SW | 0% |
| Saturday Night | 60°F | Mostly Clear | 6 to 12 mph SW | 0% |
| Sunday | 89°F | Sunny | 10 mph SW | 0% |
| Sunday Night | 57°F | Mostly Clear | 5 to 9 mph SW | 0% |
| Monday | 88°F | Sunny | 9 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Lamont (47.201, -117.905). Updated through the day.
Growing snapshot for Lamont
Last spring frost
Apr 29
First fall frost
Oct 4
Growing season
161 days
Hardiness zone
6b
More local growing data for Lamont: nearby ZIP 99017 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Albion
Clarkston
Clarkston Heights-Vineland
Colfax
Colton
Endicott
Farmington
Garfield
LaCrosse
Malden
Oakesdale
Palouse
Pullman
Rosalia
St. John
Steptoe
Tekoa
Uniontown
West Clarkston-Highland
Climate data from the nearest NOAA station, St John, Wa (15.4 mi from Lamont). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.