Gresham, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gresham, a city in Multnomah County, Oregon.
Tonight
40°F
Mostly Clear
Mostly clear, with a low around 40. East southeast wind around 3 mph.
7-day forecast for Gresham
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 40°F | Mostly Clear | 3 mph ESE | 4% |
| Wednesday | 58°F | Patchy Fog then Chance Light Rain | 3 mph S | 45% |
| Wednesday Night | 48°F | Light Rain | 2 to 8 mph S | 92% |
| Thursday | 58°F | Chance Light Rain then Partly Sunny | 1 to 6 mph SW | 43% |
| Thursday Night | 46°F | Mostly Cloudy then Chance Light Rain | 1 to 5 mph SSE | 46% |
| Friday | 58°F | Chance Light Rain | 1 to 5 mph SE | 48% |
| Friday Night | 48°F | Slight Chance Light Rain | 1 to 5 mph ESE | 19% |
| Saturday | 64°F | Partly Sunny then Slight Chance Light Rain | 1 to 5 mph SE | 15% |
| Saturday Night | 50°F | Light Rain Likely | 1 to 10 mph SSE | 74% |
| Sunday | 59°F | Light Rain Likely | 1 to 9 mph SSW | 74% |
| Sunday Night | 46°F | Slight Chance Light Rain | 1 to 5 mph ESE | 16% |
| Monday | 58°F | Chance Light Rain | 3 mph ESE | 43% |
| Monday Night | 48°F | Chance Light Rain | 2 to 6 mph SSE | 50% |
| Tuesday | 61°F | Chance Light Rain | 2 to 6 mph SSE | 52% |
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 Nov 4, 2026.