Gresham, OR Weather & Growing Conditions
Overnight
40°F
Mostly Clear
Mostly clear, with a low around 40. East southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 40°F | Mostly Clear | 5 mph ESE | 0% |
| Wednesday | 58°F | Partly Sunny then Light Rain Likely | 1 to 5 mph SE | 60% |
| Wednesday Night | 47°F | Light Rain | 3 to 8 mph SSW | 90% |
| Thursday | 57°F | Slight Chance Light Rain then Mostly Sunny | 1 to 5 mph SW | 21% |
| Thursday Night | 43°F | Mostly Cloudy | 1 to 5 mph ENE | 9% |
| Friday | 58°F | Chance Light Rain | 1 to 5 mph SE | 34% |
| Friday Night | 47°F | Chance Light Rain then Mostly Cloudy | 1 to 6 mph ESE | 34% |
| Saturday | 63°F | Partly Sunny then Slight Chance Light Rain | 1 to 6 mph ESE | 15% |
| Saturday Night | 48°F | Light Rain Likely | 1 to 8 mph SSE | 74% |
| Sunday | 56°F | Light Rain Likely | 1 to 8 mph SSW | 64% |
| Sunday Night | 44°F | Slight Chance Light Rain | 1 to 5 mph ESE | 15% |
| Monday | 56°F | Chance Light Rain | 1 to 5 mph ESE | 28% |
| Monday Night | 46°F | Chance Light Rain | 1 to 7 mph SE | 36% |
| Tuesday | 58°F | Chance Light Rain | 2 to 7 mph SSE | 37% |
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 Nov 4, 2026.