Northport, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Northport, a town in Stevens County, Washington.
Tonight
33°F
Mostly Cloudy
Mostly cloudy, with a low around 33. Wind around 0 mph.
7-day forecast for Northport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 33°F | Mostly Cloudy | 0 mph | 2% |
| Wednesday | 52°F | Sunny | 1 mph S | 2% |
| Wednesday Night | 35°F | Mostly Cloudy then Rain And Snow Showers Likely | 1 mph SE | 74% |
| Thursday | 47°F | Rain And Snow Showers Likely | 1 mph S | 74% |
| Thursday Night | 35°F | Mostly Cloudy then Slight Chance Rain Showers | 0 mph | 23% |
| Friday | 49°F | Chance Rain Showers | 0 to 3 mph SE | 27% |
| Friday Night | 35°F | Mostly Cloudy | 0 to 3 mph E | 14% |
| Saturday | 52°F | Mostly Cloudy | 1 mph NE | 9% |
| Saturday Night | 37°F | Cloudy then Chance Rain Showers | 2 mph E | 35% |
| Sunday | 53°F | Chance Rain Showers | 2 to 6 mph S | 35% |
| Sunday Night | 34°F | Mostly Cloudy | 2 mph S | 10% |
| Monday | 51°F | Partly Sunny then Chance Rain Showers | 1 mph NE | 34% |
| Monday Night | 36°F | Chance Rain Showers | 1 mph NE | 35% |
| Tuesday | 52°F | Chance Rain Showers | 1 mph E | 44% |
Forecast source: National Weather Service (api.weather.gov) for Northport (48.916, -117.780). Updated through the day.
Growing snapshot for Northport
Last spring frost
May 8
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
6b
More local growing data for Northport: nearby ZIP 99157 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Addy
Barney's Junction
Chewelah
Clayton
Colville
Inchelium
Kettle Falls
Loon Lake
Marcus
Springdale
Valley
Climate data from the nearest NOAA station, Northport, Wa (2 mi from Northport). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.