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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.