Moses Lake, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Moses Lake, a city in Grant County, Washington.
Overnight
54°F
Areas Of Smoke
Areas of smoke. Clear, with a low around 54. North wind 2 to 6 mph.
7-day forecast for Moses Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Areas Of Smoke | 2 to 6 mph N | 0% |
| Tuesday | 89°F | Areas Of Smoke then Sunny | 6 mph N | 0% |
| Tuesday Night | 57°F | Haze | 3 mph N | 0% |
| Wednesday | 94°F | Sunny | 5 mph S | 0% |
| Wednesday Night | 59°F | Mostly Clear | 5 mph S | 0% |
| Thursday | 98°F | Sunny | 2 to 8 mph W | 0% |
| Thursday Night | 63°F | Mostly Clear | 3 to 7 mph W | 0% |
| Friday | 98°F | Sunny | 2 to 13 mph SW | 0% |
| Friday Night | 62°F | Mostly Clear | 5 to 13 mph W | 0% |
| Saturday | 94°F | Sunny | 3 to 12 mph W | 0% |
| Saturday Night | 60°F | Mostly Clear | 6 to 13 mph W | 0% |
| Sunday | 90°F | Sunny | 5 to 8 mph SW | 0% |
| Sunday Night | 58°F | Mostly Clear | 5 to 8 mph W | 0% |
| Monday | 89°F | Sunny | 3 to 7 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Moses Lake (47.128, -119.276). Updated through the day.
Growing snapshot for Moses Lake
Last spring frost
Apr 27
First fall frost
Oct 8
Growing season
165 days
Hardiness zone
7a
More local growing data for Moses Lake: nearby ZIP 98837 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Beverly
Cascade Valley
Crescent Bar
Electric City
Ephrata
George
Grand Coulee
Hartline
Krupp
Lakeview
Marine View
Moses Lake North
Quincy
Royal City
Schwana
Soap Lake
Sunland Estates
Vantage
Warden
Wheeler
Wilson Creek
Climate data from the nearest NOAA station, Moses Lake Grant Co Ap, Wa (4.2 mi from Moses Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.