Rochester, WA Weather & Growing Conditions
Overnight
49°F
Mostly Cloudy
Mostly cloudy, with a low around 49. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Mostly Cloudy | 0 mph | 0% |
| Saturday | 75°F | Partly Sunny | 2 mph NNW | 0% |
| Saturday Night | 48°F | Mostly Clear | 2 mph NW | 0% |
| Sunday | 75°F | Mostly Sunny | 2 mph N | 0% |
| Sunday Night | 48°F | Mostly Clear | 2 mph NW | 0% |
| Monday | 73°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Monday Night | 49°F | Partly Cloudy | 0 to 5 mph WNW | 0% |
| Tuesday | 70°F | Partly Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 0 to 5 mph WSW | 1% |
| Wednesday | 69°F | Partly Sunny | 0 to 5 mph W | 2% |
| Wednesday Night | 48°F | Mostly Cloudy | 0 to 5 mph NW | 2% |
| Thursday | 67°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 3 mph N | 16% |
| Thursday Night | 47°F | Slight Chance Light Rain | 3 mph NW | 16% |
| Friday | 66°F | Mostly Sunny | 1 to 5 mph NW | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rochester, WA
Last spring frost
Apr 22
First fall frost
Oct 27
Growing season
188 days
Hardiness zone
8b
Explore more for Rochester, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Centralia, Wa (9.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.