Garrett, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Garrett, a community in Walla Walla County, Washington.
Today
50°F
Slight Chance Rain Showers
A slight chance of rain showers before 1pm. Mostly cloudy. High near 50, with temperatures falling to around 45 in the afternoon. West wind around 3 mph. Chance of precipitation is 20%.
7-day forecast for Garrett
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 50°F | Slight Chance Rain Showers | 3 mph W | 15% |
| Tonight | 31°F | Patchy Fog | 5 mph SE | 2% |
| Wednesday | 53°F | Patchy Fog then Sunny | 2 mph SE | 1% |
| Wednesday Night | 38°F | Patchy Fog then Chance Rain Showers | 1 to 6 mph SE | 40% |
| Thursday | 57°F | Chance Rain Showers then Mostly Sunny | 2 to 9 mph SW | 40% |
| Thursday Night | 36°F | Partly Cloudy | 2 to 6 mph SE | 6% |
| Friday | 58°F | Mostly Cloudy | 3 mph S | 8% |
| Friday Night | 40°F | Mostly Cloudy | 1 to 5 mph SE | 3% |
| Saturday | 62°F | Partly Sunny | 3 mph S | 1% |
| Saturday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph S | 20% |
| Sunday | 61°F | Slight Chance Rain Showers | 2 to 7 mph SW | 24% |
| Sunday Night | 39°F | Mostly Cloudy | 5 mph S | 11% |
| Monday | 55°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph SW | 16% |
| Monday Night | 39°F | Slight Chance Rain Showers | 2 mph S | 20% |
Forecast source: National Weather Service (api.weather.gov) for Garrett (46.059, -118.400). Updated through the day.
Growing snapshot for Garrett
Last spring frost
May 2
First fall frost
Oct 1
Growing season
151 days
Hardiness zone
7a
More local growing data for Garrett: nearby ZIP 99324 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Whitman Mission, Wa (3.7 mi from Garrett). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.