Harman US

Gresham, OR Weather & Growing Conditions

Tonight
41°F
Mostly Clear
Mostly clear, with a low around 41. East southeast wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 41°F Mostly Clear 5 mph ESE 2%
Wednesday 59°F Partly Sunny then Light Rain Likely 3 mph SE 62%
Wednesday Night 48°F Light Rain 3 to 8 mph SSW 92%
Thursday 58°F Slight Chance Light Rain then Mostly Sunny 1 to 5 mph SSW 18%
Thursday Night 44°F Mostly Cloudy 1 to 5 mph E 11%
Friday 59°F Chance Light Rain 3 mph SE 34%
Friday Night 47°F Chance Light Rain then Mostly Cloudy 1 to 5 mph ESE 34%
Saturday 64°F Partly Sunny then Slight Chance Light Rain 1 to 5 mph SE 16%
Saturday Night 49°F Light Rain 1 to 9 mph SSE 75%
Sunday 57°F Light Rain Likely 1 to 8 mph SSW 58%
Sunday Night 45°F Slight Chance Light Rain then Mostly Cloudy 1 to 5 mph E 15%
Monday 57°F Chance Light Rain 3 mph ESE 29%
Monday Night 47°F Chance Light Rain 1 to 7 mph SE 38%
Tuesday 59°F Chance Light Rain 2 to 6 mph SSE 38%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Gresham, OR

Last spring frost
Mar 16
First fall frost
Nov 20
Growing season
250 days
Hardiness zone
9a

Explore more for Gresham, OR: full frost dates · planting calendar · Oregon frost dates

Climate data from the nearest NOAA station, Portland Troutdale Ap, Or (3.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.