Prospect, OR Weather & Growing Conditions
Tonight
32°F
Mostly Clear
Mostly clear, with a low around 32. North northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 32°F | Mostly Clear | 5 mph NNW | 2% |
| Wednesday | 55°F | Partly Sunny then Slight Chance Light Rain | 3 mph W | 18% |
| Wednesday Night | 35°F | Chance Light Rain | 0 to 3 mph SSW | 32% |
| Thursday | 56°F | Mostly Sunny | 0 to 5 mph SSW | 2% |
| Thursday Night | 33°F | Partly Cloudy | 2 to 6 mph E | 0% |
| Friday | 62°F | Partly Sunny | 1 to 5 mph ENE | 0% |
| Friday Night | 36°F | Mostly Clear | 1 to 8 mph ENE | 0% |
| Saturday | 67°F | Mostly Sunny | 0 to 7 mph SSE | 1% |
| Saturday Night | 39°F | Partly Cloudy then Chance Light Rain | 2 mph SE | 32% |
| Sunday | 56°F | Chance Light Rain | 2 mph SSE | 32% |
| Sunday Night | 36°F | Mostly Cloudy | 0 to 3 mph E | 3% |
| Monday | 57°F | Mostly Cloudy | 2 mph SSE | 8% |
| Monday Night | 36°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 5 mph ESE | 20% |
| Tuesday | 60°F | Slight Chance Light Rain | 0 to 5 mph SSE | 23% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Prospect, OR
Last spring frost
May 19
First fall frost
Oct 3
Growing season
136 days
Hardiness zone
8a
Explore more for Prospect, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Prospect 2 Sw, Or (3.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.