Today's barometric pressure in Toledo, a 48-hour pressure chart, and a risk score for weather-triggered migraine and headache, based on pressure drops, humidity, and temperature changes.
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Toledo sits at the western end of Lake Erie where the Maumee River enters shallow Maumee Bay. Pressure averages 994 hPa with swings to 14 hPa, and the shallow western basin warms and cools faster than the rest of the lake.
Worst season for migraines: February, January and March. Late winter and early spring bring the sharpest changes as Great Lakes systems and plains fronts converge over northwestern Ohio. The bay's shallowness means it loses its moderating influence early once ice forms.
Common triggers in Toledo: variable shallow-basin lake influence, plains fronts converging over northwest Ohio, spring ice-out temperature instability. Western Lake Erie is the shallowest part of any Great Lake, only a few metres deep in places, which makes its temperature swing widely and its ice cover unreliable. That variability shows up in the local weather as an inconsistent lake influence, present some winters and absent others, so trigger patterns here vary noticeably year to year.
Typical pressure: Toledo averages 994 hPa at rest, measured at the city's own elevation rather than corrected to sea level, and storm systems can push readings down to 976 hPa. Swings of 6-14 hPa over 24 hours are common during active weather and fall within the range most associated with pressure-triggered migraines.
2026 index: Toledo is not one of the 100 metros ranked in our 2026 U.S. Migraine Risk Index, which shows how they compare.
Can Toledo weather trigger migraines?
Yes. Toledo experiences 6-14 hPa barometric pressure swings, and research shows pressure drops are one of the most common migraine triggers. The city's specific patterns include variable shallow-basin lake influence, plains fronts converging over northwest Ohio, spring ice-out temperature instability.
What time of year are migraines worst in Toledo?
In Toledo the most barometrically volatile stretch of the year falls in February, January and March. That is when weather is most likely to play a part, if weather is a trigger for you at all. See when migraine weather season starts across the U.S.
Is there a barometric pressure headache forecast for Toledo?
This page works as one. Many people call a headache that arrives with a weather change a barometric pressure headache, and this forecast tracks the pressure drops, humidity and temperature swings behind that idea. The score covers the next 24 hours in Toledo and the chart shows the next 48. It is built on migraine research, so treat it as a rough guide for other headaches. A sudden, severe headache needs urgent medical care, whatever the weather.
Your own forecast
This page shows the weather risk for everyone in Toledo. The MigrAid app learns yours. It saves the barometric pressure, humidity and temperature with every migraine you log, shows whether Toledo's swings really line up with your attacks, and alerts you when conditions match your own trigger history.