Harman US

Gresham, OR Weather & Growing Conditions

Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. West wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 51°F Mostly Clear 2 mph W 0%
Saturday 77°F Patchy Fog then Mostly Sunny 1 to 5 mph WSW 0%
Saturday Night 52°F Partly Cloudy 3 mph NNE 0%
Sunday 80°F Sunny 2 to 6 mph N 0%
Sunday Night 54°F Mostly Clear 2 to 6 mph WNW 0%
Monday 74°F Mostly Sunny 2 to 6 mph WNW 0%
Monday Night 52°F Partly Cloudy 2 to 6 mph NW 0%
Tuesday 71°F Partly Sunny 5 mph NW 1%
Tuesday Night 49°F Partly Cloudy 5 mph N 1%
Wednesday 71°F Mostly Sunny 5 mph NE 1%
Wednesday Night 51°F Partly Cloudy 3 mph NE 1%
Thursday 75°F Mostly Sunny 5 mph NNE 8%
Thursday Night 52°F Slight Chance Light Rain 5 mph S 20%
Friday 68°F Slight Chance Light Rain then Mostly Sunny 6 mph WSW 20%

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
8b

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

Climate data from the nearest NOAA station, Portland Troutdale Ap, Or (5.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.