Prospect, OR Weather & Growing Conditions
Today
80°F
Sunny
Sunny, with a high near 80. Southeast wind 1 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 1 to 5 mph SE | 0% |
| Tonight | 45°F | Partly Cloudy | 2 to 6 mph NNW | 0% |
| Sunday | 84°F | Sunny | 1 to 6 mph WNW | 0% |
| Sunday Night | 47°F | Mostly Clear | 2 to 6 mph NNE | 0% |
| Monday | 80°F | Sunny | 5 mph NNW | 0% |
| Monday Night | 45°F | Mostly Clear | 1 to 5 mph N | 0% |
| Tuesday | 76°F | Sunny | 1 to 5 mph NW | 0% |
| Tuesday Night | 43°F | Mostly Clear | 5 mph N | 1% |
| Wednesday | 75°F | Sunny | 3 mph NW | 1% |
| Wednesday Night | 44°F | Partly Cloudy | 5 mph NNE | 0% |
| Thursday | 75°F | Mostly Sunny | 3 mph N | 3% |
| Thursday Night | 43°F | Partly Cloudy | 3 mph N | 4% |
| Friday | 69°F | Mostly Sunny | 5 mph NW | 6% |
| Friday Night | 40°F | Partly Cloudy | 5 mph N | 6% |
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 Sep 19, 2026.