Gresham, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gresham, a city in Multnomah County, Oregon.
Overnight
57°F
Areas Of Smoke
Areas of smoke. Clear, with a low around 57. North northwest wind around 6 mph.
7-day forecast for Gresham
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Areas Of Smoke | 6 mph NNW | 0% |
| Tuesday | 95°F | Areas Of Smoke | 6 to 10 mph NNE | 0% |
| Tuesday Night | 61°F | Smoke | 3 to 9 mph NNW | 0% |
| Wednesday | 98°F | Areas Of Smoke | 3 to 7 mph NNW | 0% |
| Wednesday Night | 64°F | Clear | 2 to 7 mph NNE | 0% |
| Thursday | 97°F | Sunny | 1 to 6 mph NNW | 0% |
| Thursday Night | 62°F | Clear | 2 to 7 mph NNW | 0% |
| Friday | 91°F | Sunny | 2 to 9 mph NNW | 0% |
| Friday Night | 60°F | Mostly Clear | 2 to 9 mph NNW | 0% |
| Saturday | 87°F | Sunny | 2 to 10 mph NNW | 0% |
| Saturday Night | 57°F | Mostly Clear | 3 to 10 mph NW | 0% |
| Sunday | 81°F | Mostly Sunny | 3 to 9 mph NW | 0% |
| Sunday Night | 55°F | Mostly Clear | 2 to 9 mph NW | 0% |
| Monday | 81°F | Sunny | 2 to 9 mph NW | 0% |
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 Aug 4, 2026.