Weather logic estimates plant water demand; soil sensors measure what is happening at a specific point in the ground. Neither is automatically superior everywhere.
What matters most
Soil sensors can be useful when irrigation zones differ greatly in shade, soil texture, or drainage. Weather-based scheduling is simpler when conditions are relatively uniform.
Where buyers get tripped up
One poorly placed sensor can misrepresent an entire zone, while cloud weather can miss microclimates at the property.
What to verify before buying
Decide which zones would actually benefit from local sensing and check whether the controller supports the sensor type without losing core automation features.
How we research smart irrigation
We compare zone capacity, local fallback controls, weather logic, connectivity, sensor and pump compatibility, subscription requirements, outdoor installation, integrations, and what happens when internet service is unavailable.
Prices, specifications, firmware, and configuration-driven features can change. Check the current manufacturer page and local requirements before buying or installing equipment.