Exterior paint is an essential component of maintaining the appearance and longevity of a house or building. However, it is crucial to understand how long it takes for exterior paint to dry to achieve the best results. In this article, we will discuss the factors that affect the drying time of exterior paint, the consequences of painting before rain, and how to plan the right day to paint the exterior of your house.

To be safe, you should allow exterior paint to dry for at least 48 hours to ensure that the paint job will not be ruined by rain or other natural occurrences. The paint may be dry to the touch after just a few hours, but to be safe you should plan your exterior painting at a time that there will be no inclement weather for at least 2 days.

How Long Does Outdoor Paint Need To Dry Before Rain?

The drying time of exterior paint varies depending on several factors, including temperature, humidity, and the type of paint. Typically, exterior paint requires several hours of drying time before exposure to light rain or drizzle. However, if the humidity level is high or the temperature is lower than 50°F, it may take longer for the paint to dry.

It is essential to keep in mind that the drying time of exterior paint is not the same as curing time. Drying time refers to the time required for the paint to dry to the touch, whereas curing time refers to the time required for the paint to harden and reach its full durability. The curing time for exterior paint can take several days or even weeks, depending on the type of paint and the conditions of the environment.

What Happens If It Rains After You Paint Your House?

If rain occurs before the exterior paint has had adequate time to dry, it can have severe negative consequences. Rainwater can cause the paint to run or streak, leaving an uneven finish. It can also cause the paint to bubble, crack, or peel, leading to significant damage to the surface of the house or building. In some cases, it may be necessary to completely remove the damaged paint and start the painting process over again, resulting in added expenses and time.

To avoid painting before rain, it is recommended to check the weather forecast regularly and plan accordingly. It is also important to note that even if the forecast indicates a clear day, sudden weather changes can occur, and it is better to err on the side of caution and wait for optimal conditions before starting the painting process.

How To Plan The Right Day To Paint The Exterior of Your House?

Exterior House Painting in Raleigh

Planning the right day to paint the exterior of your house is crucial for a successful outcome. Checking the weather forecast for the week ahead is an important step in determining the optimal day for painting. Ideally, it is best to paint on a day when the temperature is between 50°F and 85°F, and the humidity level is below 70%. Painting in direct sunlight or high winds should be avoided, as it can cause the paint to dry too quickly or unevenly.

Before painting, it is essential to prepare the surface by cleaning and removing any dirt or debris. It is also recommended to prime the surface to ensure optimal adhesion of the paint. Additionally, it is important to choose the right type of paint for the surface to be painted, as different surfaces require different types of paint.


In conclusion, the drying time of exterior paint is a critical factor in achieving a successful outcome when painting the exterior of a house or building. It is important to allow for adequate drying time before exposure to rain to avoid damage to the surface. Checking the weather forecast and planning the right day to paint is crucial for optimal conditions. Proper preparation of the surface and selecting the appropriate type of paint is also essential for a successful outcome. By following these guidelines, you can ensure a beautiful and durable exterior for your home or building.

Contact Osborne Painting for A Professional Exterior Painting Job

Painting the exterior of your home can be a huge job to undertake. If the thought of this makes you a little nervous, let the pros here at Osborne Painting in Wake Forest, NC take care of this difficult project for you. We have all the manpower and equipment available to get the exterior of your home painted in no time at all. Call us today or fill out the contact form below for exterior painting around Raleigh and Wake Forest, NC!

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