Gresham, OR Weather & Growing Conditions
Tonight
52°F
Partly Cloudy
Partly cloudy, with a low around 52. Northwest wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Partly Cloudy | 2 mph NW | 0% |
| Saturday | 79°F | Patchy Fog then Mostly Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 53°F | Partly Cloudy | 3 mph NW | 0% |
| Sunday | 82°F | Mostly Sunny | 2 to 7 mph NNW | 0% |
| Sunday Night | 55°F | Mostly Clear | 2 to 7 mph NW | 0% |
| Monday | 76°F | Mostly Sunny | 2 to 7 mph NW | 0% |
| Monday Night | 54°F | Partly Cloudy | 2 to 7 mph NW | 0% |
| Tuesday | 73°F | Partly Sunny | 2 to 6 mph NW | 1% |
| Tuesday Night | 50°F | Partly Cloudy | 1 to 6 mph N | 1% |
| Wednesday | 73°F | Mostly Sunny | 1 to 5 mph N | 0% |
| Wednesday Night | 53°F | Partly Cloudy | 5 mph NNE | 1% |
| Thursday | 77°F | Mostly Sunny | 5 mph NNE | 8% |
| Thursday Night | 55°F | Slight Chance Light Rain | 5 mph NW | 20% |
| Friday | 70°F | Slight Chance Light Rain then Partly Sunny | 3 to 7 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
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 Sep 19, 2026.