YES!Your dog can get sick from being outside in the cold weather for too long. It is too easy to think that just because your dog has a "fur coat", he is protected from the ravages of winter weather.
Can dogs get sick from being cold and wet?
Now you know standing water can make your dog sick, but did you know cold, rainy weather can also cause pneumonia? Long term exposure to cold, wet weather can lead to inflammation of your dog's respiratory tract, and eventually pneumonia.
Can dogs get sick from the cold?
YES! Cold weather causes problems for dogs just as it does for their owners. Pooches rely on their respiratory system to stay warm. When the air is icy, their bronchial tube can constrict, which can turn a normal infection into pneumonia!
How can I tell if my dog has a cold?
Dog Cold SymptomsSneezing.Coughing (A dry “honking” cough could mean kennel cough specifically)Runny nose.Discharge from the eyes.Lethargy; less active than usual.Loss of appetite or thirst.Trouble breathing.Fever (though a fever more commonly indicates the flu)Do Dogs Get Colds? - Daily Paws
Will my dog get sick if I walk him in the rain?
Can a dog get sick from being in the rain? Overall, walking a strong, healthy dog in the rain does not inherently cause it to become sick. If your dog has a thick coat it will keep it warm and protect them from getting soaked.