St. Paul, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. Paul, a city in Marion County, Oregon.
Tonight
51°F
Partly Cloudy then Patchy Fog
Patchy fog after 3am. Partly cloudy, with a low around 51. Northwest wind around 2 mph.
7-day forecast for St. Paul
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Partly Cloudy then Patchy Fog | 2 mph NW | 0% |
| Saturday | 79°F | Areas Of Fog then Mostly Sunny | 0 to 3 mph N | 0% |
| Saturday Night | 52°F | Partly Cloudy then Patchy Fog | 3 mph N | 0% |
| Sunday | 83°F | Patchy Fog then Sunny | 1 to 5 mph N | 0% |
| Sunday Night | 53°F | Mostly Clear | 0 to 5 mph NNW | 0% |
| Monday | 78°F | Patchy Fog then Mostly Sunny | 0 to 7 mph N | 0% |
| Monday Night | 52°F | Partly Cloudy | 0 to 7 mph N | 0% |
| Tuesday | 74°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Wednesday | 73°F | Mostly Sunny | 0 to 3 mph N | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 3 mph N | 1% |
| Thursday | 76°F | Mostly Sunny | 0 to 3 mph N | 6% |
| Thursday Night | 52°F | Slight Chance Light Rain | 3 mph W | 21% |
| Friday | 69°F | Mostly Sunny | 1 to 8 mph WSW | 12% |
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.