Rochester, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rochester, a community in Thurston County, Washington.
Today
91°F
Sunny then Areas Of Smoke
Areas of smoke after 1pm. Sunny, with a high near 91. North northeast wind 5 to 8 mph.
7-day forecast for Rochester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Sunny then Areas Of Smoke | 5 to 8 mph NNE | 0% |
| Tonight | 59°F | Smoke | 2 to 6 mph NNE | 0% |
| Wednesday | 95°F | Areas Of Smoke | 2 to 6 mph NNE | 0% |
| Wednesday Night | 58°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Thursday | 93°F | Sunny | 0 to 7 mph NW | 0% |
| Thursday Night | 56°F | Mostly Clear | 3 to 7 mph WSW | 0% |
| Friday | 88°F | Sunny | 2 to 9 mph WSW | 0% |
| Friday Night | 55°F | Mostly Clear | 1 to 9 mph W | 0% |
| Saturday | 81°F | Sunny | 1 to 12 mph W | 0% |
| Saturday Night | 53°F | Mostly Clear | 2 to 12 mph WSW | 0% |
| Sunday | 78°F | Mostly Sunny | 2 to 9 mph W | 0% |
| Sunday Night | 52°F | Mostly Clear | 2 to 9 mph W | 0% |
| Monday | 78°F | Mostly Sunny | 1 to 8 mph WNW | 0% |
| Monday Night | 52°F | Partly Cloudy | 1 to 8 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Rochester (46.820, -123.064). Updated through the day.
Growing snapshot for Rochester
Last spring frost
Apr 22
First fall frost
Oct 27
Growing season
188 days
Hardiness zone
8b
More local growing data for Rochester: nearby ZIP 98579 weather · frost dates · planting calendar · Washington frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Centralia, Wa (9.4 mi from Rochester). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.