Keizer, OR Weather & Growing Conditions
Tonight
38°F
Mostly Clear then Patchy Fog
Patchy fog after 2am. Mostly clear, with a low around 38. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 38°F | Mostly Clear then Patchy Fog | 0 mph | 2% |
| Wednesday | 57°F | Patchy Fog then Light Rain | 0 to 7 mph S | 78% |
| Wednesday Night | 47°F | Light Rain | 3 to 14 mph S | 83% |
| Thursday | 59°F | Mostly Sunny | 1 to 5 mph S | 6% |
| Thursday Night | 44°F | Mostly Cloudy | 2 mph ESE | 9% |
| Friday | 59°F | Slight Chance Light Rain | 2 to 8 mph S | 16% |
| Friday Night | 45°F | Slight Chance Light Rain then Patchy Fog | 0 to 5 mph S | 16% |
| Saturday | 62°F | Patchy Fog then Partly Sunny | 0 to 5 mph S | 13% |
| Saturday Night | 49°F | Light Rain Likely | 5 to 20 mph S | 64% |
| Sunday | 59°F | Light Rain Likely | 2 to 12 mph SSW | 64% |
| Sunday Night | 44°F | Patchy Fog | 2 mph NNE | 16% |
| Monday | 58°F | Chance Light Rain | 1 to 5 mph S | 44% |
| Monday Night | 46°F | Chance Light Rain | 5 to 14 mph S | 44% |
| Tuesday | 60°F | Chance Light Rain | 5 to 8 mph S | 50% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Keizer, OR
Last spring frost
Apr 3
First fall frost
Nov 1
Growing season
212 days
Hardiness zone
8b
Explore more for Keizer, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Salem Mcnary Fld, Or (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.