Gresham, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gresham, a city in Multnomah County, Oregon.
This Afternoon
71°F
Sunny
Sunny, with a high near 71. West wind around 3 mph.
7-day forecast for Gresham
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Sunny | 3 mph W | 0% |
| Tonight | 52°F | Partly Cloudy then Patchy Fog | 2 mph NW | 0% |
| Saturday | 79°F | Patchy Fog then Mostly Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 52°F | Partly Cloudy | 3 mph NNW | 0% |
| Sunday | 82°F | Mostly Sunny | 1 to 6 mph NNW | 0% |
| Sunday Night | 53°F | Mostly Clear | 2 to 6 mph NW | 0% |
| Monday | 76°F | Mostly Sunny | 2 to 6 mph NW | 0% |
| Monday Night | 53°F | Partly Cloudy | 2 to 6 mph NNW | 0% |
| Tuesday | 72°F | Partly Sunny | 2 to 6 mph NW | 1% |
| Tuesday Night | 50°F | Partly Cloudy | 1 to 6 mph N | 1% |
| Wednesday | 72°F | Mostly Sunny | 1 to 5 mph NNE | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 5 mph NNE | 1% |
| Thursday | 76°F | Mostly Sunny | 5 mph NNE | 8% |
| Thursday Night | 54°F | Slight Chance Light Rain | 5 mph SSW | 20% |
Forecast source: National Weather Service (api.weather.gov) for Gresham (45.502, -122.442). Updated through the day.
Growing snapshot for Gresham
Last spring frost
Mar 16
First fall frost
Nov 20
Growing season
250 days
Hardiness zone
9a
More local growing data for Gresham: nearby ZIP 97030 weather · frost dates · planting calendar · Oregon frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Portland Troutdale Ap, Or (3.1 mi from Gresham). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.