Skip to main content
Off!Cast Logo
Your Mosquito Forecast for

Hmm, something isn't quite right...

Your forecast couldn't be generated.


If you entered a zip code from Alaska or Hawaii – we’re not quite ready; but we’re working on it. Please check back later this summer for updates.

If you entered a zip code from a PO Box, try a different local zip code where you physically live to get your mosquito forecast.

If you entered a zip code from a US territory (like Puerto Rico or Guam), we’re currently working on expanding the Mosquito Forecast to other parts of the world. Check back periodically to see if your zip code returns a forecast. We expect to expand the Mosquito Forecast over time.

Try again
Get the Forecast emailed directly to you.

The Science Behind our OFF!Cast Mosquito Forecast™

Updated daily with over<br/> 15 billion weather data points
Updated daily with over
15 billion weather data points
Backed by 60 years of research at The SC Johnson Center for Insect Science
Backed by 60 years of research at The SC Johnson Center for Insect Science
Verified by over 33 million data points from mosquito traps
Verified by over 33 million data points from mosquito traps
click here to get the mosquito activity forecast in your area
Prevention is the Best Protection

Prevention is the Best Protection

PREtection is the everyday ritual that protects you from mosquitoes. When the OFF!Cast Mosquito Forecast™ shows a threat of pesky mosquitos out right now in your area, reach for your favorite OFF! product to stay protected – pre-walk, pre-park, pre-picnic, pre-everything! Learn more here.
click here to get the mosquito activity forecast in your area

How our Mosquito Forecast helps keep you and your family safe

"We’re excited to contribute our 60+ years of mosquito research to build a tool that can help consumers protect themselves and their families."
Dr. Maude Meier
PhD Entomology
"I'm proud we partnered together to demonstrate the power for good that we can bring to the world with Google Earth Engine and advanced analytics."
Maggy Hu
Sr Data Analytics Specialist
"By leveraging accurate weather data and climate data we can now help people better understand their local condition, and in this case the threat of mosquitoes."
Dr. Keiko Nomura
PhD Geosciences

About OFF!Cast Mosquito Forecast™

What do the different levels and colors mean in the forecast?

A zip code seems like large area, is the forecast the same no matter where I’m standing?

Do you have any mosquito jokes?

What about Alaska and Hawaii?

OK mosquito experts, what other fun mosquito facts can you share?

How do we know OFF!Cast Mosquito Forecast™ is accurate?

What weather inputs are used to calculate my local forecast?

We currently cannot accept email subscription for zipcode.