Medical Lake, WA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Medical Lake, a city in Spokane County, Washington.

Today

50°F

Sunny

Sunny. High near 50, with temperatures falling to around 45 in the afternoon. South wind around 2 mph.

7-day forecast for Medical Lake

When	Temp	Forecast	Wind	Precip
Today	50°F	Sunny	2 mph S	2%
Tonight	36°F	Rain Showers Likely	3 mph S	67%
Thursday	48°F	Rain Showers Likely then Mostly Cloudy	3 to 8 mph SW	67%
Thursday Night	37°F	Partly Cloudy	5 mph S	1%
Friday	51°F	Mostly Cloudy	3 to 9 mph SE	3%
Friday Night	38°F	Mostly Cloudy	2 to 7 mph SE	11%
Saturday	58°F	Partly Sunny	5 mph E	5%
Saturday Night	40°F	Mostly Cloudy then Slight Chance Rain Showers	3 to 10 mph SE	15%
Sunday	53°F	Slight Chance Rain Showers then Mostly Cloudy	8 to 14 mph SW	15%
Sunday Night	37°F	Mostly Cloudy	3 to 8 mph S	3%
Monday	53°F	Partly Sunny	2 to 6 mph E	6%
Monday Night	37°F	Chance Rain Showers	3 mph SE	29%
Tuesday	55°F	Chance Rain Showers	6 mph S	29%
Tuesday Night	39°F	Chance Rain Showers	6 mph SE	25%

Forecast source: National Weather Service (api.weather.gov) for Medical Lake (47.571, -117.689). Updated through the day.

Growing snapshot for Medical Lake

Last spring frost

May 10

First fall frost

Sep 26

Growing season

137 days

Hardiness zone

More local growing data for Medical Lake: nearby ZIP 99022 weather · frost dates · planting calendar · Washington frost dates

Nearby towns & communities

Airway Heights Cheney Country Homes Deer Park Fairchild AFB Fairfield Fairwood Four Lakes Green Bluff Latah Liberty Lake Mead Millwood Otis Orchards-East Farms Rockford Spangle Spokane Spokane Valley Suncrest Town and Country Waverly

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Climate data from the nearest NOAA station, Spokane Wfo, Wa (6.8 mi from Medical Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.