| Sensitive to | Past 24h | ||
|---|---|---|---|
| 1,024 hPa | |||
| 80% | |||
| -4°C | |||
The Migraine & Headache Weather Index for Toronto, Ontario, Canada on Monday, December 15, 2025 at 4 PM is 3/10 with medium risk of migraines for people sensitive to temperature at 6/10.
For many people, weather changes in pressure, humidity and temperature may cause imbalances in brain chemicals and increase the prompt of a migraine attack. Weather-related triggers can also be responsible for worsening on-going migraine attacks caused by other triggers.
This Migraine & Headache Weather Index is a risk indicator based on historic, location based correlations of the current weather conditions with the more than 30 million migraine attacks recorded by our Migraine Buddy community.
Learn if pressure, humidity and temperature sensitivities affect your migraines. Use Migraine Buddy and benefit from the worlds #1 free migraine & headache tracking app for yourself and help others with your observations.
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