Rochester, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rochester, a community in Thurston County, Washington.
This Afternoon
76°F
Sunny
Sunny, with a high near 76. North northwest wind around 2 mph.
7-day forecast for Rochester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 2 mph NNW | 0% |
| Tonight | 47°F | Mostly Clear | 2 mph NW | 0% |
| Sunday | 77°F | Mostly Sunny | 0 to 3 mph NW | 0% |
| Sunday Night | 47°F | Partly Cloudy | 2 mph NW | 0% |
| Monday | 74°F | Partly Sunny | 0 to 5 mph NW | 0% |
| Monday Night | 49°F | Partly Cloudy | 0 to 5 mph WNW | 0% |
| Tuesday | 72°F | Partly Sunny | 0 to 7 mph NW | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 1 to 7 mph WSW | 9% |
| Wednesday | 69°F | Partly Sunny | 1 to 6 mph SW | 9% |
| Wednesday Night | 46°F | Mostly Cloudy | 0 to 6 mph W | 5% |
| Thursday | 66°F | Partly Sunny then Slight Chance Light Rain | 0 to 5 mph NNE | 16% |
| Thursday Night | 46°F | Slight Chance Light Rain | 3 mph N | 16% |
| Friday | 65°F | Slight Chance Light Rain then Partly Sunny | 1 to 6 mph N | 15% |
| Friday Night | 45°F | Partly Cloudy | 1 to 6 mph N | 10% |
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 Sep 20, 2026.