National Weather Observers Day is an American holiday dedicated to experts in the field of meteorology. Thanks to these professionals, we receive up-to-date information on weather changes and important warnings about approaching natural disasters. The holiday is celebrated annually on May 4.
History
The creation of National Weather Observers Day can be credited to a man named Alan Brew, who proposed the holiday in 1989 to honor meteorological observers, both professional and amateur. Observing the weather is an essential task for humanity and an exciting activity for those who engage in it!
The holiday encourages weather enthusiasts to join the CoCoRaHS Observers, an organization that allows anyone to become part of a team of specialists, learn new skills, and develop expertise in meteorological observation. Whether calculating precipitation, tracking wind patterns, or analyzing cyclones and anticyclones, there’s so much to explore in meteorology!
Interesting facts
- If the sun were to disappear, we wouldn’t notice it until eight minutes later—this is how long it takes light to reach Earth.
- In a heavy downpour, raindrops can reach speeds of up to 30 km/h.
- In 1684, the River Thames in England froze for two weeks during one of the most severe winters on record.
How to celebrate
Spend some time studying the weather on this day. Learn fascinating facts about different natural phenomena, and try your hand at being a meteorologist by analyzing data from weather stations.
Share the holiday on social media and let more people know about it! Congratulate those who work in meteorology on their contributions to keeping us informed and safe.
When is National Weather Observers Day in 2025?
National Weather Observers Day is observed on May 4 each year.
Observations
| Weekday | Month | Day | Year |
| Sunday | May | 4 | 2025 |
| Monday | May | 4 | 2026 |
| Tuesday | May | 4 | 2027 |
| Thursday | May | 4 | 2028 |
| Friday | May | 4 | 2029 |
