Meet America's original weather nerd
- Ric Kearbey
- 10 hours ago
- 3 min read
Meet America’s original weather nerd
Who wouldn't want to meet America’s original weather nerd? Let me introduce to Thomas Jefferson America’s original weather nerd? While “weather nerd” is a playful nickname, Jefferson was one of America’s earliest and most dedicated weather observers.
His weather journal, spanning more than 50 years and nearly 19,000 observations, remains one of America’s most valuable early weather records and continues to help scientists better understand weather and climate today.
Happy 250th birthday, America
Tomorrow, America celebrates an incredible milestone.
For 250 years, we’ve celebrated our independence with family gatherings, neighborhood parades, backyard cookouts, baseball games, and fireworks lighting up the night sky.
As we celebrate our nation’s birthday, Weather Nerdy wanted to look back to the very first Independence Day.
Not just to the history books.
To the weather.
While America was making history…
Imagine standing outside Independence Hall on July 4, 1776.
Inside, delegates debated freedom, signed documents, and changed the course of history forever. The birth of a nation was unfolding one signature at a time.
And one of those Founding Fathers kept doing something completely unexpected.
He was checking the weather.
Seriously.
That Founding Father was Thomas Jefferson.
More than a President
Most people remember Thomas Jefferson as the principal author of the Declaration of Independence and America’s third President.
What many don’t know is that he was fascinated by the atmosphere.
Long before Doppler radar, satellites, weather balloons, or smartphone apps, Jefferson carried thermometers wherever he traveled and carefully recorded temperatures, clouds, rainfall, and other weather conditions.
Over more than fifty years, he documented nearly 19,000 observations from almost 100 different locations, creating one of America’s earliest and most remarkable weather journals.
That’s why we affectionately call him America’s original weather nerd.
A weather report 250 years in the making
Here’s one of our favorite Fourth of July facts.
Thanks to Thomas Jefferson’s handwritten journal, we know exactly what the weather was like on America’s very first Independence Day.
At 6:00 that morning, the thermometer read 68 degrees.
By 9:00 a.m., it had climbed to 72¼ degrees.
At 1:00 p.m., Philadelphia warmed to 76 degrees.
By 9:00 that evening, it was still a comfortable 73½ degrees.
Honestly…
That sounds like just about the perfect Fourth of July forecast.
Before radar, weather took patience
Today, meteorologists can watch hurricanes from space.
We can see thunderstorms forming on Doppler radar. Weather balloons climb into the atmosphere twice a day. Supercomputers process millions of observations every hour.
Jefferson had none of that.
He had a thermometer.
A notebook.
And endless curiosity.
Sometimes the biggest scientific discoveries begin with something remarkably simple.
Paying attention.
One observation at a time
Jefferson wasn’t trying to prove a theory.
He wasn’t studying climate change.
He simply believed that if something was worth understanding, it was worth observing carefully.
Think about keeping a journal every single day for fifty years.
Instead of writing about your family or your vacation, you write down the temperature, the clouds, the rain, and the wind.
Eventually, those daily entries become something much bigger than a diary.
They become history.
Looking toward tomorrow
As fireworks burst across the skies this Independence Day, millions of Americans will do exactly what Thomas Jefferson did 250 years ago.
They’ll look up.
Some will check the forecast before heading to the beach.
Others will wonder if the afternoon thunderstorms will hold off until after the fireworks.
Parents will ask if it’s too hot.
Boaters will watch the wind.
Photographers will hope for colorful sunset clouds.
The technology has changed dramatically.
Our fascination with the sky has not.
Happy 250th birthday, America
Tomorrow, we celebrate 250 years of freedom.
It’s also a chance to celebrate something else.
Our nation’s long tradition of curiosity.
A tradition that began with people willing to ask questions, observe carefully, and leave the world knowing just a little more than they found it.
Thomas Jefferson wasn’t just writing history.
He was writing down the weather while history was happening.
That might just make him America’s original weather nerd.
Keep getting Weather Nerdy
Thomas Jefferson spent a lifetime looking up.
Nearly 250 years later, we’re still doing the same thing.
Every day at Weather Nerdy, we take fascinating weather and climate stories, explain the science in plain English, and answer the questions you never knew you had. Whether it’s why the sky changes color, how hurricanes form, or incredible stories hidden in weather history, our goal is simple.
Help you see the atmosphere with fresh eyes.
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Because there’s always something amazing happening above our heads.
And it’s a lot more fun when you’re even a little bit… Weather Nerdy.
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