Generally speaking, the exterior paint should be able to withstand a little light rain in 2 hours. Around 4 hours it should be okay to rain. It depends on humidity, temperature and color. The short answer is that latex paint usually dries to the touch in about an hour.
However, you should finish any exterior painting project four to six hours before the rain hits. If you use latex paint, you need a minimum of two hours of direct sunlight before rain arrives. The paint may feel dry to the touch after an hour, but it will still wear off. After two hours, a light rain won't completely ruin your work, but you may need to repaint part of it when it's dry.
If you use acrylic latex paint, you need at least two hours of sunshine for the exterior paint to dry before the rain arrives. If heavy rain is forecast or it's going to rain for several days in the next few days, you'll need about six hours of good sun to dry the paint well enough so it won't be affected. The paint will dry to the touch in about an hour, depending on the heat of the day. It takes about five days of normal weather for the paint to dry completely and the paint film to reach its maximum hardness and durability.
If you use acrylic latex paint, you need at least two hours of sunshine for the paint to dry before the rain comes. If it rains before the paint surfaces dry, the rain will remove some of the paint that was last painted. This is where a pressure washer comes in handy, especially if paint drips onto surrounding surfaces, such as concrete or ceiling. However, that's not realistic, so we've had to rely on the paint's drying agents to help us extend our season.
Latex paint usually dries in about 1 to 3 hours, but you should always make sure that the previous coat is completely dry before adding the next one. Interior surfaces can be painted when it's raining outside, as long as the rain doesn't reach the inside of the house. If you chose to paint with a spray gun, the wind poses a whole new threat: you could end up painting everything except your house. While some paints have the primer mixed directly with them, there are still many options that require one or two coats of primer before adding the paint.
Read on to learn what types of paint dry the fastest and how much time you need to let your newly painted house dry. If you've ever heard someone say that painting has to heal, you've wondered what they meant by that. When planning the best time to paint the exterior of your home, you should consider the coming rainy days. You can paint both the outside and inside of your house when it rains, but without the rain touching the painted surface.
Before applying the first coat, always check the paint can or the manufacturer's facilities to ensure that the temperatures are right for your specific paint. Be sure to consider the thickness of the paint and the thickness of its layers before assuming it will be dry before 8 p.