Rochester, WA Weather & Growing Conditions
Today
56°F
Mostly Cloudy then Light Rain
Rain after 3pm. Mostly cloudy. High near 56, with temperatures falling to around 51 in the afternoon. South wind around 3 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 56°F | Mostly Cloudy then Light Rain | 3 mph S | 86% |
| Tonight | 44°F | Light Rain | 3 to 9 mph SSW | 96% |
| Thursday | 56°F | Partly Sunny | 1 to 5 mph SSW | 6% |
| Thursday Night | 43°F | Cloudy then Light Rain | 0 to 6 mph SSE | 81% |
| Friday | 52°F | Light Rain | 6 to 13 mph SSE | 93% |
| Friday Night | 46°F | Light Rain | 6 mph SSE | 75% |
| Saturday | 62°F | Mostly Cloudy then Chance Light Rain | 5 mph SSE | 47% |
| Saturday Night | 48°F | Light Rain | 3 to 17 mph S | 91% |
| Sunday | 55°F | Chance Light Rain | 0 to 13 mph SW | 53% |
| Sunday Night | 40°F | Mostly Cloudy | 2 mph E | 5% |
| Monday | 54°F | Partly Sunny then Chance Light Rain | 3 mph ESE | 27% |
| Monday Night | 44°F | Light Rain Likely | 2 to 15 mph SSE | 62% |
| Tuesday | 55°F | Light Rain Likely | 6 to 14 mph S | 67% |
| Tuesday Night | 47°F | Light Rain Likely | 6 to 9 mph SSE | 66% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rochester, WA
Last spring frost
Apr 29
First fall frost
Oct 14
Growing season
169 days
Hardiness zone
8a
Explore more for Rochester, WA: full frost dates · planting calendar · Washington frost dates
Climate data from the nearest NOAA station, Olympia Ap, Wa (12.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.