Updated August 11, 2026

Vancouver, Washington lawn forecast

Live status from the same real-weather model behind our email alerts — soil temperature, rainfall and evapotranspiration for Vancouver, Washington, 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

17 mow alerts fired so far this year, most recently on August 2, 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 247mm.

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