St. Paul, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Paul, a city in Marion County, Oregon.
Today
79°F
Patchy Fog then Mostly Sunny
Patchy fog before 8am. Mostly sunny, with a high near 79. North wind 0 to 3 mph.
7-day forecast for St. Paul
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Patchy Fog then Mostly Sunny | 0 to 3 mph N | 0% |
| Tonight | 52°F | Mostly Clear | 2 mph N | 0% |
| Sunday | 83°F | Patchy Fog then Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 53°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Monday | 77°F | Mostly Sunny | 0 to 7 mph N | 0% |
| Monday Night | 51°F | Partly Cloudy | 1 to 7 mph N | 0% |
| Tuesday | 74°F | Mostly Sunny | 1 to 5 mph N | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Wednesday | 72°F | Mostly Sunny | 2 mph N | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 2 mph N | 2% |
| Thursday | 70°F | Partly Sunny | 1 to 7 mph N | 11% |
| Thursday Night | 50°F | Mostly Cloudy | 1 to 7 mph N | 11% |
| Friday | 68°F | Mostly Sunny | 1 to 9 mph N | 9% |
| Friday Night | 48°F | Partly Cloudy | 2 to 9 mph N | 5% |
Forecast source: National Weather Service (api.weather.gov) for St. Paul (45.212, -122.977). Updated through the day.
Growing snapshot for St. Paul
Last spring frost
Mar 21
First fall frost
Nov 22
Growing season
241 days
Hardiness zone
8b
More local growing data for St. Paul: nearby ZIP 97137 weather · frost dates · planting calendar · Oregon frost dates
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Climate data from the nearest NOAA station, Rex 1 S, Or (6 mi from St. Paul). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.