---
title: precipitationChance
framework: weatherkit
role: symbol
role_heading: Instance Property
path: weatherkit/daypartforecast/precipitationchance
---

# precipitationChance

The probability of precipitation for the day part.

## Declaration

```swift
var precipitationChance: Double
```

## Discussion

Discussion The value is from 0 (no chance of precipitation) to 1 (100% chance of precipitation).