Updated September 25, 2026
Portland, Oregon lawn forecast
Live status from the same weather model behind our email alerts — soil temperature, rainfall and evapotranspiration for Portland, Oregon, not a generic rule of thumb.
🌿 Spring feed window
Opened on March 22, 2026 — soil held ≥10.0°C (50°F) for 5 straight days.
🌱 Pre-emergent / crabgrass window
Opened on March 20, 2026 — a good window for crabgrass pre-emergent, before germination.
✂️ Mow rhythm
23 mow alerts fired so far this year, most recently on September 19, 2026 (under drought stress at the time — a raised cut height was worth considering).
💧 Watering assessment
Currently in a drought-stress episode — soil moisture deficit around 294mm.