Summit, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Summit, a community in Pierce County, Washington.
Overnight
55°F
Clear
Clear, with a low around 55. Northeast wind around 3 mph.
7-day forecast for Summit
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Clear | 3 mph NE | 0% |
| Tuesday | 86°F | Sunny then Areas Of Smoke | 3 to 8 mph NNE | 0% |
| Tuesday Night | 59°F | Areas Of Smoke | 2 to 7 mph NNE | 0% |
| Wednesday | 92°F | Areas Of Smoke | 2 to 6 mph N | 0% |
| Wednesday Night | 60°F | Mostly Clear | 1 to 6 mph NNE | 0% |
| Thursday | 91°F | Sunny | 1 to 6 mph W | 0% |
| Thursday Night | 60°F | Mostly Clear | 6 mph W | 0% |
| Friday | 87°F | Sunny | 2 to 6 mph WSW | 0% |
| Friday Night | 59°F | Mostly Clear | 1 to 6 mph WSW | 0% |
| Saturday | 84°F | Sunny | 1 to 6 mph WSW | 0% |
| Saturday Night | 56°F | Mostly Clear | 2 to 7 mph WSW | 0% |
| Sunday | 79°F | Mostly Sunny | 5 mph W | 0% |
| Sunday Night | 55°F | Mostly Clear | 5 mph WSW | 0% |
| Monday | 78°F | Mostly Sunny | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Summit (47.169, -122.364). Updated through the day.
Growing snapshot for Summit
Last spring frost
Mar 8
First fall frost
Nov 14
Growing season
250 days
Hardiness zone
8b
More local growing data for Summit: nearby ZIP 98443 weather · frost dates · planting calendar · Washington frost dates
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Home
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Climate data from the nearest NOAA station, Tacoma #1, Wa (3.5 mi from Summit). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.