Do certain weather conditions lead to more home runs?

Yes! Weather conditions can change the distance a batted ball travels by more than 20%. Home Run Forecast provides a simple way to see the if weather will help or hinder baseball flight during a game. The Home Run Forecast Index demonstrates a strong correlation with the number of HRs hit and runs scored in big league games. Check out our Premium Subscription for on-demand HRFI forecast data by team and for each game.

The Home Run Forecast Index has been featured on

HRF PREMIUM IS NOW AVAILABLE

HRF Premium provides on-demand HRF forecast data using up to date weather information along with our trained model. Check out a preview below or view the pricing page for more information.

Premium Preview

HRF forecast value available for each contest, with detailed data throughout the game.

Premium Hourly Preview

Detailed weather data and hourly index data for each park.

Current Weather Conditions and HRF Index

The table below shows the Home Run Forecast Index (HRFI) value for each big league ballpark. The HRFI ranges from 1 to 10, with 10 indicating the most favorable weather conditions for ball fight and 1 indicating least favorable. Learn more about how we calculate this index here.

This data is updated hourly at the top of the hour. For ballparks with a retractable roof, the index is calculated for open roof conditions. Check local sources for roof status. For ballparks with a permanent roof, the index is calculated for indoor conditions.

Ballpark LocationSky CoverTemperature (°F)Home Run Forecast Index™
Phoenix, AZbroken clouds8610
Arlington, TXclear sky708
Houston, TXbroken clouds698
Los Angeles, CAovercast clouds607
Miami, FLlight rain747
Anaheim, CAovercast clouds626
Sacramento, CAclear sky646
St. Louis, MOclear sky696
Chicago (NL), ILclear sky615
San Francisco, CAbroken clouds575
Cleveland, OHclear sky534
San Diego, CAbroken clouds634
Seattle, WAclear sky714
Tampa Bay, FLovercast clouds744
Atlanta, GAclear sky563
Bronx, NYclear sky543
Chicago (AL), ILclear sky603
Cincinnati, OHovercast clouds553
Denver, COovercast clouds643
Detroit, MIfew clouds533
Kansas City, MObroken clouds643
Mexico City, Mexicolight rain593
Milwaukee, WIclear sky553
Minneapolis, MNclear sky593
Queens, NYclear sky553
Tampa, FLovercast clouds723
Baltimore, MDclear sky481
Boston, MAbroken clouds431
Philadelphia, PAclear sky501
Pittsburgh, PAscattered clouds481
Toronto, ONovercast clouds511
Washington, DCclear sky481
Data last updated: 1777863369
API Access

Add Home Run Forecast to Your Site or App

Give your audience a quick way to understand how weather will affect hitting distance. Enhance your game previews, picks and analysis with hourly forecasts up to two days out. When it comes to fantasy baseball or the sportsbook every edge counts.

swing-batter-home-run-forecast@2x