Harman US

Gresham, OR Weather & Growing Conditions

Today
58°F
Mostly Cloudy then Chance Light Rain
A chance of rain after 4pm. Mostly cloudy. High near 58, with temperatures falling to around 54 in the afternoon. South southeast wind around 2 mph. Chance of precipitation is 50%.

7-day forecast

WhenTempForecastWindPrecip
Today 58°F Mostly Cloudy then Chance Light Rain 2 mph SSE 50%
Tonight 48°F Light Rain 2 to 7 mph S 81%
Thursday 55°F Partly Sunny 1 to 5 mph SSW 13%
Thursday Night 44°F Mostly Cloudy 1 to 5 mph E 4%
Friday 55°F Chance Light Rain 3 mph ESE 48%
Friday Night 47°F Chance Light Rain then Mostly Cloudy 1 to 6 mph ESE 48%
Saturday 63°F Partly Sunny 1 to 6 mph ESE 13%
Saturday Night 50°F Light Rain 1 to 8 mph SSE 77%
Sunday 55°F Light Rain 1 to 8 mph SW 76%
Sunday Night 44°F Mostly Cloudy 1 to 5 mph ENE 9%
Monday 56°F Partly Sunny then Slight Chance Light Rain 3 mph SE 15%
Monday Night 46°F Chance Light Rain 1 to 6 mph SE 33%
Tuesday 58°F Chance Light Rain 2 to 6 mph SSE 44%
Tuesday Night 49°F Chance Light Rain 2 to 8 mph SE 44%

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 Nov 4, 2026.