What Do I Do With a Cast If It Rains?

Woman standing outdoors in the rain holding a black umbrella while wearing a white arm cast and dark rain jacket. The image represents weather-related orthopedic recovery challenges and the importance of protecting casts from moisture and rain exposure.

Getting caught in the rain while wearing a cast can instantly create panic for many orthopedic patients.

You may start wondering:

Will my cast get ruined?
What happens if my cast gets wet?
Can rain damage my cast?
How do I protect my cast outside?
What should I do if my walking boot gets soaked?

The truth is that moisture and orthopedic devices usually do not mix well. Rainwater can lead to discomfort, odor, skin irritation, and in some cases, damage to cast materials.

The good news is that with a little preparation, many people can safely navigate rainy weather during orthopedic recovery.

At CastCoverz!, we’ve spent more than 17 years helping orthopedic patients recover more comfortably with practical everyday solutions. Proudly MADE IN THE USA, CastCoverz! was invented by a mom navigating real-life orthopedic recovery challenges with her own family.

Why Rain Can Be a Problem for Casts

Traditional casts are not designed to handle prolonged moisture exposure.

Rainwater can soak into:

cast padding
fabric liners
soft materials inside the cast

Once moisture gets trapped, it may lead to:

itching
odor
skin irritation
bacteria buildup
damp discomfort
cast weakening
expensive cast replacement

Even a small amount of trapped moisture can feel miserable during recovery.

What About Waterproof Casts?

Some patients receive waterproof cast liners, but even these often still require caution.

“Waterproof” does not always mean:

stormproof
weatherproof
mud-proof
comfortable when soaked

Always follow your doctor’s instructions about water exposure.

What To Do If Rain Is Expected

Plan Ahead

Before leaving home:

check the weather
pack a waterproof cover
bring a towel
avoid unnecessary exposure during storms

Even short walks through parking lots can expose casts to significant moisture.

Waterproof Protection Options

Mittz! Dry Water-Repellent Cover for Hand Cast, Brace, or Splint

Mittz! Dry is the perfect solution to keeping your hand cast, splint or brace dry from rain, snow, and sand/water when you're at the beach with proprietary fabric that repels water. PLEASE NOTE: Mittz! Dry is not for submersion in water. For superior weather protection and warmth, layer with our Mittz! Cozy. Stretchy cuff keeps the elements out while allowing for easy on/off.

DRYPRO® Waterproof Cast Protectors

Person wearing an orange DRYPRO® waterproof arm cast protector designed to help keep casts and bandages dry during rain, showers, and outdoor recovery activities.

DRYPRO® waterproof protectors help keep casts and bandages dry during:

rain
showers
wet outdoor conditions
beach trips
accidental splashes

DRYPRO® uses a vacuum-sealed waterproof system designed to create a snug watertight fit around the limb.

Available for:

arm casts
leg casts
bandages
PICC lines
wound protection

Why Patients Like DRYPRO®

Reusable waterproof protection
Durable medical-grade materials
Helps protect casts from rain exposure
Secure vacuum seal technology
Available in arm and leg sizes

Proper sizing is extremely important for waterproof protection products.

AquaShield® USA Latex-Free Waterproof Protection

For patients seeking a latex-free option, AquaShield® USA provides reusable waterproof protection designed for:

casts
splints
braces
PICC lines
prostheses

AquaShield® products are easy to:

slide on
remove
store
travel with

Many patients appreciate keeping one nearby during:

rainy weather
vacations
outdoor activities
showering

Weatherproofing a Walking Boot

Walking boots create a different challenge than casts.

Rain can soak:

padding
liners
Velcro straps
soft foam interiors

Once wet, boots may:

smell
trap moisture
attract dirt
become uncomfortable
dry very slowly

Tips for Walking Boots in Rain

Avoid Deep Puddles

Even small puddles can soak the bottom and sides of a boot.

Bring a Backup Sock

Dry socks can make a huge difference if moisture gets inside.

Use Weatherproof Boot Covers

Person using crutches while wearing a purple weatherproof leg cast cover designed to help protect casts and orthopedic recovery devices from rain, snow, and extreme weather conditions.

CastCoverz! BootGuardzXtreme!® products help protect orthopedic walking boots from:

rain
snow
mud
dirt
slush
outdoor debris

They are designed to help shield the boot while keeping the sole exposed for walking safety.

What If Your Cast Gets Wet?

If your cast becomes damp or soaked:

DO:

contact your doctor
monitor for odor or irritation
dry the outside gently with a towel
follow medical advice

DO NOT:

stick objects into the cast
use high heat
ignore persistent dampness
continue wearing a soaked cast for long periods

Moisture trapped inside a cast can sometimes cause skin complications.

Helpful Rainy-Day Recovery Tips

Keep Towels in the Car

A simple towel can save a lot of discomfort during unexpected weather.

Carry a Small Recovery Bag

Helpful items may include:

waterproof protection
extra socks
wipes
medications
phone charger

Move Carefully on Wet Surfaces

Wet sidewalks and parking lots can become slippery, especially while:

using crutches
wearing a boot
recovering from lower extremity injuries

Take your time.

Recovery Doesn’t Stop Because of the Weather

Rainy days are frustrating enough without worrying about your cast or orthopedic boot.

Small preparation steps can help make recovery feel far more manageable — and a little less stressful.

At CastCoverz!, we believe comfort and practical protection can make a meaningful difference during healing.

Related Recovery Resources

You may also find these helpful:

Healing takes time, but comfort can help every step (and every night) feel a little easier. If you have any questions, give us a call at 1-800-CASTCOVER (9am-2 pm PST, M-F) or email cs@castcoverz.com.