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™
Miami, FLovercast clouds727
Anaheim, CAlight rain596
Houston, TXovercast clouds646
San Francisco, CAscattered clouds595
Los Angeles, CAbroken clouds614
Phoenix, AZbroken clouds694
San Diego, CAbroken clouds624
Sacramento, CAclear sky573
Arlington, TXovercast clouds523
Tampa, FLclear sky653
Atlanta, GAovercast clouds461
Baltimore, MDbroken clouds441
Boston, MAovercast clouds341
Bronx, NYclear sky421
Chicago (AL), ILfew clouds181
Chicago (NL), ILfew clouds181
Cincinnati, OHclear sky291
Cleveland, OHbroken clouds231
Denver, COscattered clouds331
Detroit, MIlight snow201
Kansas City, MOclear sky341
Milwaukee, WIclear sky121
Minneapolis, MNfew clouds-111
Philadelphia, PAovercast clouds391
Pittsburgh, PAclear sky291
Queens, NYclear sky421
Seattle, WAclear sky401
St. Louis, MOovercast clouds321
Toronto, ONclear sky191
Washington, DCclear sky431
Data last updated: 1769129770
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