Prospect, OR Weather & Growing Conditions
Today
68°F
Sunny
Sunny. High near 68, with temperatures falling to around 66 in the afternoon. West southwest wind 1 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Sunny | 1 to 6 mph WSW | 0% |
| Tonight | 43°F | Partly Cloudy | 5 to 9 mph E | 0% |
| Sunday | 71°F | Mostly Sunny | 2 to 9 mph SSW | 0% |
| Sunday Night | 45°F | Mostly Clear | 3 to 7 mph NE | 0% |
| Monday | 70°F | Sunny | 2 to 6 mph NNW | 0% |
| Monday Night | 44°F | Partly Cloudy | 2 to 6 mph NNE | 0% |
| Tuesday | 66°F | Sunny | 2 to 8 mph N | 0% |
| Tuesday Night | 41°F | Mostly Clear | 1 to 6 mph NNE | 0% |
| Wednesday | 63°F | Mostly Sunny | 2 to 7 mph N | 0% |
| Wednesday Night | 41°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
| Thursday | 64°F | Mostly Sunny | 7 mph SSW | 3% |
| Thursday Night | 41°F | Partly Cloudy | 1 to 5 mph N | 5% |
| Friday | 58°F | Mostly Sunny | 5 to 8 mph WSW | 9% |
| Friday Night | 37°F | Partly Cloudy | 2 to 8 mph NE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Prospect, OR
Growing season
55 days
Hardiness zone
6b
Explore more for Prospect, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Crater Lake Nps Hq, Or (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.