Keizer, OR Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Keizer, a city in Marion County, Oregon.
This Afternoon
73°F
Sunny
Sunny, with a high near 73. Northwest wind around 2 mph.
7-day forecast for Keizer
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Sunny | 2 mph NW | 0% |
| Tonight | 53°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Saturday | 79°F | Patchy Fog then Mostly Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 54°F | Partly Cloudy | 1 to 5 mph N | 0% |
| Sunday | 82°F | Mostly Sunny | 1 to 6 mph N | 0% |
| Sunday Night | 55°F | Mostly Clear | 1 to 6 mph NW | 0% |
| Monday | 77°F | Mostly Sunny | 1 to 7 mph NNW | 0% |
| Monday Night | 53°F | Partly Cloudy | 2 to 7 mph N | 0% |
| Tuesday | 74°F | Mostly Sunny | 2 to 6 mph N | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 1 to 5 mph NNW | 0% |
| Wednesday | 73°F | Mostly Sunny | 2 to 6 mph N | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 5 mph N | 1% |
| Thursday | 76°F | Mostly Sunny | 1 to 6 mph NNW | 7% |
| Thursday Night | 54°F | Slight Chance Light Rain | 2 to 6 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov) for Keizer (45.003, -123.024). Updated through the day.
Growing snapshot for Keizer
Last spring frost
Apr 3
First fall frost
Nov 1
Growing season
212 days
Hardiness zone
8b
More local growing data for Keizer: nearby ZIP 97303 weather · frost dates · planting calendar · Oregon frost dates
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Climate data from the nearest NOAA station, Salem Mcnary Fld, Or (8.7 mi from Keizer). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.