Is the Nikon D3000 Weather Sealed?

No, the Nikon D3000 does not have weather sealing.

Can I Use the Nikon D3100 In the Rain?

No, do not use the Nikon D3000 in the rain. Using the Nikon D3000 in the rain can allow water to get into the camera body or lens being used. Water can damage the camera by causing corrosion or electrical shorts.

Nikon D3000 Frequently Asked Questions