"volatile weather" is correct and usable in written English.
You could use it to refer to weather that is unpredictable and changes quickly, for example: "The weather in England is very volatile, with temperatures changing rapidly throughout the day."
Volatile weather patterns often attributed to climate change are wreaking havoc with some harvests.
Global warming seems to be prompting more extreme and volatile weather, including fiercer and more frequent cyclones.
A family farm like ours may simply not be able to adjust quickly enough to such unendingly volatile weather.
Storing this extra energy in our skies, land and oceans leads to higher average temperatures and more volatile weather.
The role of such infrastructure should not be underemphasized, especially as the continent struggles to adapt to increasingly volatile weather patterns.
In Ms. Canuso's, as she runs and spins, the video becomes a hurricane of limbs, volatile weather that might be internal or external.
The changing forecast adds another upset in several years of increasingly volatile British weather.
And in some years, volatile local weather patterns have led to too little water being distributed to farmers who then face devastating crop losses.
Most of us are by now aware that the comparative former "clemency" of the natural world, which Ms. Hopkins intimately experiences even in the seemingly hostile climate of the far north, is increasingly giving way to more volatile global weather patterns.
Global food prices have jumped in recent months due to volatile and extreme weather conditions, particularly due to a drought in the US and a heat wave in some parts of Eastern Europe.
Month-to-month figures can be volatile because of weather, even though the Census Bureau applies seasonal adjustments.
