Rochester, WA Weather & Growing Conditions
Today
57°F
Patchy Fog then Light Rain
Patchy fog before 9am, then rain. Mostly cloudy. High near 57, with temperatures falling to around 53 in the afternoon. South southeast wind 1 to 7 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 57°F | Patchy Fog then Light Rain | 1 to 7 mph SSE | 81% |
| Tonight | 44°F | Light Rain | 7 to 14 mph SSW | 96% |
| Thursday | 57°F | Partly Sunny | 7 mph S | 11% |
| Thursday Night | 43°F | Light Rain | 3 to 10 mph SSE | 79% |
| Friday | 55°F | Light Rain | 5 to 14 mph SSE | 83% |
| Friday Night | 46°F | Light Rain Likely | 5 mph SSE | 70% |
| Saturday | 62°F | Mostly Cloudy then Chance Light Rain | 5 mph SSE | 45% |
| Saturday Night | 49°F | Light Rain | 5 to 17 mph S | 83% |
| Sunday | 56°F | Light Rain Likely | 0 to 10 mph SSW | 58% |
| Sunday Night | 40°F | Slight Chance Light Rain | 1 mph ENE | 15% |
| Monday | 56°F | Chance Light Rain | 3 mph ESE | 39% |
| Monday Night | 45°F | Light Rain Likely | 3 to 13 mph SSE | 58% |
| Tuesday | 58°F | Light Rain Likely | 5 to 12 mph SSE | 58% |
| Tuesday Night | 46°F | Chance Light Rain | 5 to 8 mph SSE | 52% |
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 Nov 4, 2026.