Harman US

Summit, OR Weather & Growing Conditions

Tonight
39°F
Areas Of Fog
Areas of fog before 5am. Mostly clear, with a low around 39. Southeast wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 39°F Areas Of Fog 2 mph SE 2%
Wednesday 58°F Mostly Cloudy then Light Rain 5 mph SSE 89%
Wednesday Night 46°F Light Rain Likely then Patchy Fog 1 to 6 mph SW 56%
Thursday 58°F Patchy Fog then Mostly Sunny 0 to 3 mph SSE 8%
Thursday Night 44°F Areas Of Fog 2 mph ENE 10%
Friday 59°F Chance Light Rain 1 to 5 mph SSE 27%
Friday Night 46°F Chance Light Rain then Patchy Fog 0 to 3 mph SSE 27%
Saturday 63°F Mostly Cloudy then Chance Light Rain 6 mph S 31%
Saturday Night 48°F Light Rain Likely 6 to 14 mph SSW 69%
Sunday 58°F Light Rain Likely 1 to 9 mph SW 68%
Sunday Night 44°F Areas Of Fog then Slight Chance Light Rain 2 mph SE 20%
Monday 58°F Chance Light Rain 2 to 6 mph SSE 45%
Monday Night 46°F Light Rain Likely 2 to 6 mph S 55%
Tuesday 60°F Light Rain Likely 3 to 9 mph S 57%

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.