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Can Your Joints Really Predict The Weather? Here’s The Truth

March 03, 2026

If your joints start to ache every time the temperature drops, you’re not imagining it. Many people living with arthritis say their symptoms get worse in the winter — especially when it’s damp or cold outside.

“While there isn’t a single proven reason why arthritis flares up in cold weather, there are a few theories,” says Daniel Veltri, MD, an orthopedic surgeon with Hartford HealthCare’s Bone & Joint Institute. “Changes in barometric pressure, colder temperatures and less physical activity all seem to play a role.”

Here’s what might be happening — and how to keep your joints moving comfortably, no matter what the forecast says.

1. Barometric pressure

Does it seem like your joints can predict a storm better than the weather channel? It might be true.

When the barometric pressure drops before a storm, tissues in your joints can expand slightly, creating pressure and discomfort.

“Your joints have pressure sensors called baroreceptors that sense the drop in barometric pressure when a storm approaches,” says Dr. Veltri. “So the old wives’ tale is true: your joints really can predict the weather.”

You can’t control the weather, but you can control how you respond. Gentle stretching, staying warm and keeping your body moving can help reduce stiffness when the air gets heavy.

> Related: Can Exercise Prevent Arthritis?

2. Cold muscles

When temperatures drop, your muscles tighten to preserve heat. And if you have arthritis, that extra tension can make your joints feel more rigid and painful.

“Colder weather can make muscles less flexible, which increases strain on already sensitive joints,” says Dr. Veltri.

That’s why warming up before activity is especially important in the winter.

“Adequate warm up before exercise increases the blood flow and flexibility of your muscles and tendons,” Dr. Veltri notes. “Think of your muscles and tendons as a rubber band – they’re brittle when cold, but elastic when warm.”

And before heading outside or starting your day, try a few minutes of gentle movement — think light stretching, a short walk or even a warm shower — to loosen up your muscles and get blood flowing.

> Related: Do Rainy Days Really Cause Joint Pain?

3. Less sunlight

Winter doesn’t just bring colder weather, it brings darker days, too. Less sunlight means lower vitamin D levels, which can affect bone strength and inflammation.

“Vitamin D3 is important for both bone strength and muscle performance,” says Dr. Veltri. “When levels drop in the winter, you may notice more joint discomfort.”

You can boost your vitamin D through fortified foods, supplements or just a few minutes of sun exposure when the weather allows. Routine bloodwork at your next physical can help determine your vitamin D3 levels.

4. Reduced movement

It’s easy to hibernate when it’s cold outside, but less movement often leads to more pain. Joints need regular motion to stay lubricated and healthy.

“People tend to be less active in colder weather, which can actually make arthritis symptoms worse,” says Dr. Veltri. “It’s extremely important to maintain range of motion and muscle strength to reduce stress on arthritic joints.

Aim for low-impact activities like swimming, yoga or stationary cycling to help slow the progression of arthritis. And if you prefer the warmth of your living room, even gentle stretching or light resistance bands can make a difference.

> Related: The Arthritis Treatments Doctors Turn to Most — and How They Help

Keeping warm really does help

When in doubt, add another layer. Staying warm improves circulation and helps joints move more easily.

“Warmth relaxes muscles and promotes better blood flow,” says Dr. Veltri. “If you’re exercising or playing sports, compression garments like knee, elbow or shoulder sleeves can help keep your muscles warm and improve muscle function. It can make a noticeable difference in how your joints feel throughout the day.”

Try dressing in layers, using heated blankets or pads or soaking in a warm bath to soothe stiff joints. Just be cautious not to apply direct heat for too long or at too high a temperature.

“With a few simple habits, you can manage your arthritis symptoms – even in cold or damp weather,” Dr. Veltri notes.