Creating a rain texture in Photoshop involves several steps, including manipulating layers, adding filters, and adjusting settings to achieve the desired effect. Here’s a general guide on how to create a rain texture:

Step 1: Prepare Your Document
- Open Photoshop and create a new document with the desired dimensions and resolution.
Step 2: Background Layer
- Create a new layer (Shift + Ctrl + N or Shift + Command + N on Mac) and name it “Background.”
- Fill the layer with a dark gray or black color to represent the stormy sky.
Step 3: Adding Noise
- Select the “Background” layer.
- Go to Filter > Noise > Add Noise.
- Adjust the settings to add a significant amount of monochromatic noise. This will create the texture for the raindrops. Play around with the settings until you achieve the desired look.
Step 4: Motion Blur (Optional)
- Still on the “Background” layer, apply a motion blur to simulate the movement of raindrops.
- Go to Filter > Blur > Motion Blur.
- Set the angle to match the direction of rain (usually vertical) and adjust the distance to control the blur intensity. Preview and adjust until you’re satisfied.
Step 5: Create Raindrop Highlights
- Create a new layer above the “Background” layer and name it “Rain Highlights.”
- Select the “Rain Highlights” layer and set the blending mode to Screen. This will allow the dark areas of the layer to become transparent, leaving only the highlights visible.
Step 6: Paint Raindrop Highlights
- Choose a soft round brush with a white color.
- Adjust the brush size and opacity to create variations in raindrop sizes and intensities.
- Begin painting white spots on the “Rain Highlights” layer to represent the highlights of raindrops.
Step 7: Adding Motion Blur to Highlights
- Select the “Rain Highlights” layer.
- Apply a slight motion blur to the highlights to mimic the direction of the rain.
- Go to Filter > Blur > Motion Blur and adjust the settings similarly to Step 4.
Step 8: Adjusting Opacity and Color (Optional)
- Lower the opacity of the “Rain Highlights” layer to make the raindrops blend more naturally with the background.
- If you want to add a color tint to the raindrops, you can do so by adding a Color Overlay layer style to the “Rain Highlights” layer. Experiment with different colors to achieve the desired effect.
Step 9: Final Touches
- Adjust the overall contrast, brightness, and saturation of the composition to match your desired mood.
- Add any additional elements or effects to enhance the rainy atmosphere.
Step 10: Save Your Work
- Once you’re satisfied with the rain texture, save your image in your preferred format.
Remember that creating a realistic rain texture might require some experimentation with the settings and layers. You can adjust the intensity, density, and direction of raindrops to achieve the desired look.