Covington, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Covington, a city in King County, Washington.
This Afternoon
58°F
Partly Sunny
Partly sunny. High near 58, with temperatures falling to around 53 in the afternoon. Northwest wind around 1 mph.
7-day forecast for Covington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 58°F | Partly Sunny | 1 mph NW | 3% |
| Tonight | 39°F | Patchy Fog | 2 mph SE | 3% |
| Wednesday | 58°F | Patchy Fog then Slight Chance Light Rain | 2 mph S | 16% |
| Wednesday Night | 46°F | Light Rain | 1 to 8 mph S | 95% |
| Thursday | 57°F | Chance Light Rain then Partly Sunny | 1 to 6 mph SSW | 29% |
| Thursday Night | 45°F | Light Rain | 1 to 5 mph SSE | 77% |
| Friday | 56°F | Light Rain | 5 mph S | 77% |
| Friday Night | 46°F | Chance Light Rain | 2 mph SSE | 47% |
| Saturday | 63°F | Chance Light Rain | 3 mph S | 27% |
| Saturday Night | 48°F | Light Rain | 1 to 10 mph S | 77% |
| Sunday | 56°F | Light Rain | 2 to 10 mph SSW | 77% |
| Sunday Night | 42°F | Slight Chance Light Rain | 3 mph SE | 20% |
| Monday | 57°F | Chance Light Rain | 3 mph SE | 50% |
| Monday Night | 45°F | Light Rain Likely | 1 to 7 mph SSE | 69% |
Forecast source: National Weather Service (api.weather.gov) for Covington (47.365, -122.105). Updated through the day.
Growing snapshot for Covington
Last spring frost
Mar 20
First fall frost
Nov 10
Growing season
233 days
Hardiness zone
8b
More local growing data for Covington: nearby ZIP 98042 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
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Clyde Hill
Cottage Lake
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East Renton Highlands
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High Bridge
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Climate data from the nearest NOAA station, Kent, Wa (7 mi from Covington). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.