Prices, ratings and stock were checked on Amazon on October 22, 2026. A storm glass is decor; it is not a forecasting tool.
A storm glass looks great and tells a story. Here are five, how they work and the honest answer on whether they forecast anything.
Table of Contents
What Is a Storm Glass?
A storm glass is a sealed glass bottle filled with a liquid mix and crystals. The crystals change shape as the room changes, and old sailors read those shapes as signs of weather. It is a folk tool, nice to look at and fun to watch.
How Does It Work?
The liquid is a mix of water, alcohol and dissolved salts, often camphor-like compounds. The crystals grow and shrink with temperature, light and other changes. That is why the bottle looks different on different days.
Is a Storm Glass Accurate?
Not as a forecast. Studies and weather experts do not support the idea that it predicts storms. Temperature alone explains most of what the crystals do. For real forecasting, use an alert or a barometer. Compare with a weather radio, see our guide to weather radios.
Here is where storm glasses are heading: gift shops and holiday lists. Most of the new listings are cheap wooden-base bottles with five or ten ratings, and some are sold as Christmas snow-globe barometers. The old idea of a sailor’s weather bottle has turned into a desk decoration.
5 Storm Glasses
Rechecked on Amazon on October 22, 2026. Prices, ratings and buttons are below.
Price on Amazon: $39.95 | 4.2 stars from 701 ratings (checked October 22, 2026)
The Lily’s Home station combines a Galileo thermometer with a Fitzroy storm glass. It costs $39.95, rated 4.2 (701).
Price on Amazon: $47.85 | 4.3 stars from 128 ratings (checked October 22, 2026)
The analog weather station pairs a glass Galileo thermometer with a Fitzroy storm glass. It costs $47.85, rated 4.3 (128).
Price on Amazon: $33.98 | 4.0 stars from 318 ratings (checked October 22, 2026)
The storm glass weather predictor is a sealed bottle on a wood base. It costs $33.98, rated 4.0 (318).
Price on Amazon: $22.98 | 4.0 stars from 318 ratings (checked October 22, 2026)
The storm glass barometer bottle is a lower-priced wooden-base bottle. It costs $22.98, rated 4.0 (318).
Price on Amazon: $16.98 | 3.8 stars from 453 ratings (checked October 22, 2026)
The budget storm glass is the cheapest here. It costs $16.98, rated 3.8 (453).
The downside is expectations. Scientists have found no solid proof that the crystals in a storm glass forecast the weather, and the shapes also change with room temperature and light. Buyers who expect a forecast can end up disappointed, and some cheap bottles leak or cloud. Expect more gift buyers and more one-star reviews that say it does not work. Treat it as decor with a story, and use a barometer or an alert for real forecasts.
How to Read a Storm Glass
Clear liquid is said to mean clear weather. Cloudy liquid with small dots is said to mean damp or stormy weather. Stars, feathers or thread-like crystals are said to mean cold, wind or change. These are folk readings. Keep a log next to a real thermometer to see how it behaves in your home.
Is It Suitable for Interiors?
Yes. It is a decor item. Keep it out of direct sun, away from heaters and vents, and on a stable surface. Pair it with a thermometer and a gauge for humidity, see indoor outdoor thermometers and indoor hygrometers.
Can You Make One?
Homemade versions mix water, ethanol, potassium nitrate, ammonium chloride and camphor in a sealed tube. Some of these chemicals are hazardous, and sealing glass safely takes care. A store-bought bottle is the simpler choice.
How to Pick
Want a desk piece with a thermometer? The Lily’s Home or the analog station. Just a bottle? The wood-base predictors. Tightest budget? The $16.98 version, with 3.8 stars. For forecasts, read our home weather stations and monitoring temperature and humidity.
FAQ
Does a storm glass predict weather?
There is no solid proof it does. It reacts mostly to temperature.
Why is a storm glass cloudy?
Temperature and light changes cause the liquid to look different.
Where should you put a storm glass?
Out of direct sun, away from heaters and vents.
Is a storm glass safe?
Store-bought bottles are sealed. Keep them away from children and pets.
Final Word
Buy one for the look. Use alerts and instruments for real weather.
What comes next: more bottles combined with Galileo thermometers and brass bases, and more weather station look-alikes. Keep one for the look. Use a weather radio for warnings.
Related Guides
Keep going with weather radios, home weather stations, indoor outdoor thermometers, indoor hygrometers and monitoring temperature and humidity.
