The right indoor relative humidity sits between 30 and 50 percent, per EPA and ASHRAE consensus. That single window covers...
Read MoreWeather
The most trusted source for all things weather-related for 200 years, Farmers’ Almanac offers long range weather forecasts plus much more! If you are looking for seasonal forecasts, we recommend searching for specific terms, for example “summer forecast” or “winter forecast.” You can also search for holidays, such as “Easter weather forecast.” However if you are looking for regional weather forecasts, use our main navigation drop-down menu above.
An atmospheric river is a long, narrow corridor of concentrated water vapor that moves through the atmosphere like a river...
Read More
The Saffir-Simpson Hurricane Scale is the 1-to-5 ranking that puts a number on a hurricane's wind damage potential. It is...
Read More
Soil temperature is the number that decides whether a seed will germinate or rot. Air temperature gets the headline forecast,...
Read More
Humidity is water vapor in the air. You cannot see it; humidity is the gaseous form of water, distinct from...
Read More
A blood moon is a total lunar eclipse seen from the night side of Earth, when the Moon passes through...
Read More
The polar vortex is not a winter storm. It is a permanent feature of the polar atmosphere, a circulation of...
Read More
An aurora forecast tells you whether the northern lights will reach your latitude tonight. The system is built on solar...
Read More
Hail damage is the silent budget item of severe-storm season. A 15-minute storm can leave a roof, a car, a...
Read More
Hypothermia sets in when body core temperature falls below 95 degrees Fahrenheit. It is the medical emergency that gets confused...
Read More