Rochester, WA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rochester, a community in Thurston County, Washington.
Overnight
47°F
Areas Of Fog
Areas of fog. Partly cloudy, with a low around 47. Wind around 0 mph.
7-day forecast for Rochester
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Areas Of Fog | 0 mph | 0% |
| Sunday | 69°F | Areas Of Fog then Mostly Sunny | 0 to 3 mph N | 0% |
| Sunday Night | 46°F | Mostly Clear then Areas Of Fog | 2 mph WNW | 0% |
| Monday | 71°F | Areas Of Fog then Mostly Cloudy | 0 to 6 mph NW | 0% |
| Monday Night | 50°F | Partly Cloudy | 0 to 6 mph WSW | 0% |
| Tuesday | 71°F | Partly Sunny | 0 to 8 mph WSW | 0% |
| Tuesday Night | 46°F | Partly Cloudy | 1 to 8 mph SW | 4% |
| Wednesday | 69°F | Partly Sunny | 1 to 5 mph SW | 4% |
| Wednesday Night | 45°F | Mostly Cloudy | 0 to 5 mph NW | 2% |
| Thursday | 67°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 5 mph NNE | 23% |
| Thursday Night | 47°F | Chance Light Rain | 0 to 3 mph NNE | 45% |
| Friday | 64°F | Chance Light Rain | 0 to 6 mph SW | 45% |
| Friday Night | 45°F | Slight Chance Light Rain then Mostly Cloudy | 2 to 6 mph SW | 15% |
| Saturday | 66°F | Mostly Sunny | 5 mph SSW | 8% |
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.