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Summit, OR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Summit, a community in Lincoln County, Oregon.

Tonight
48°F
Patchy Fog
Patchy fog after 11pm. Mostly cloudy. Low around 48, with temperatures rising to around 50 overnight. Northwest wind 1 to 5 mph.

7-day forecast for Summit

WhenTempForecastWindPrecip
Tonight 48°F Patchy Fog 1 to 5 mph NW 0%
Saturday 76°F Areas Of Fog then Partly Sunny 0 to 5 mph N 0%
Saturday Night 49°F Patchy Fog 1 to 5 mph WNW 0%
Sunday 75°F Patchy Fog then Mostly Sunny 1 to 6 mph NW 0%
Sunday Night 49°F Partly Cloudy 2 to 6 mph WNW 0%
Monday 73°F Patchy Fog then Mostly Sunny 1 to 6 mph NW 0%
Monday Night 49°F Areas Of Fog 1 to 6 mph NW 0%
Tuesday 70°F Areas Of Fog then Mostly Sunny 1 to 6 mph NW 0%
Tuesday Night 46°F Patchy Fog 0 to 6 mph NW 0%
Wednesday 71°F Mostly Sunny 0 to 5 mph N 0%
Wednesday Night 49°F Partly Cloudy 0 to 3 mph NNW 1%
Thursday 73°F Mostly Sunny 0 to 5 mph N 6%
Thursday Night 49°F Slight Chance Light Rain 1 to 5 mph WNW 18%
Friday 66°F Partly Sunny 1 to 6 mph WNW 12%

Forecast source: National Weather Service (api.weather.gov) for Summit (44.636, -123.577). Updated through the day.

Growing snapshot for Summit

Last spring frost
May 15
First fall frost
Oct 8
Growing season
145 days
Hardiness zone
8b

More local growing data for Summit: nearby ZIP 97326 weather · frost dates · planting calendar · Oregon frost dates

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Climate data from the nearest NOAA station, Corvallis Water Bureau, Or (13.6 mi from Summit). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.