Summit, OR Weather & Growing Conditions
Tonight
49°F
Areas Of Fog
Areas of fog. Mostly cloudy, with a low around 49. North northwest wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Areas Of Fog | 1 mph NNW | 0% |
| Saturday | 74°F | Areas Of Fog then Partly Sunny | 0 to 5 mph NNW | 0% |
| Saturday Night | 50°F | Patchy Fog | 3 mph NW | 0% |
| Sunday | 73°F | Areas Of Fog then Mostly Sunny | 0 to 6 mph NW | 0% |
| Sunday Night | 49°F | Partly Cloudy then Patchy Fog | 1 to 6 mph WNW | 0% |
| Monday | 72°F | Patchy Fog then Mostly Sunny | 1 to 6 mph NW | 0% |
| Monday Night | 49°F | Areas Of Fog | 0 to 6 mph NW | 0% |
| Tuesday | 69°F | Areas Of Fog then Mostly Sunny | 0 to 7 mph NNW | 0% |
| Tuesday Night | 47°F | Patchy Fog | 0 to 7 mph NW | 0% |
| Wednesday | 71°F | Mostly Sunny | 0 to 3 mph NNE | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 3 mph NNW | 1% |
| Thursday | 72°F | Mostly Sunny | 0 to 5 mph NNW | 6% |
| Thursday Night | 49°F | Slight Chance Light Rain | 0 to 5 mph WNW | 20% |
| Friday | 65°F | Partly Sunny | 0 to 6 mph W | 13% |
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 Sep 19, 2026.