Summit, OR Weather & Growing Conditions
Overnight
39°F
Patchy Fog
Patchy fog before 5am. Mostly clear, with a low around 39. South southeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 39°F | Patchy Fog | 2 mph SSE | 1% |
| Wednesday | 58°F | Mostly Cloudy then Light Rain | 5 mph SSE | 89% |
| Wednesday Night | 45°F | Light Rain Likely then Patchy Fog | 1 to 6 mph SW | 56% |
| Thursday | 59°F | Patchy Fog then Mostly Sunny | 0 to 3 mph SSE | 8% |
| Thursday Night | 41°F | Areas Of Fog | 2 mph ENE | 10% |
| Friday | 59°F | Chance Light Rain | 1 to 5 mph SSE | 27% |
| Friday Night | 45°F | Chance Light Rain then Mostly Cloudy | 2 mph SE | 27% |
| Saturday | 63°F | Partly Sunny then Chance Light Rain | 2 to 6 mph SE | 34% |
| Saturday Night | 48°F | Light Rain | 5 to 14 mph SSW | 80% |
| Sunday | 56°F | Chance Light Rain | 0 to 7 mph WSW | 45% |
| Sunday Night | 42°F | Mostly Cloudy then Slight Chance Light Rain | 2 mph E | 15% |
| Monday | 57°F | Chance Light Rain | 5 mph SE | 35% |
| Monday Night | 45°F | Chance Light Rain | 1 to 6 mph S | 37% |
| Tuesday | 58°F | Chance Light Rain | 3 to 10 mph S | 39% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Summit, OR
Last spring frost
May 15
First fall frost
Oct 8
Growing season
145 days
Hardiness zone
8b
Explore more for Summit, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Corvallis Water Bureau, Or (13.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.