Do certain weather conditions lead to more home runs?

Yes! Weather conditions change the distance a batted ball travels by more than 20%. Home Run Forecast provides a simple indication of how weather will help or hinder baseball flight during a game. The HRFI demonstrates a strong correlation with HRs hit and runs scored in big league games. Check out our Premium Subscription for on-demand forecast data by team and 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™
Arlington, TXclear sky8610
Houston, TXclear sky8710
Miami, FLfew clouds8810
Sacramento, CAclear sky698
Anaheim, CAbroken clouds718
Atlanta, GAbroken clouds758
Chicago (AL), ILscattered clouds798
Cincinnati, OHclear sky828
Kansas City, MOclear sky808
Phoenix, AZclear sky858
St. Louis, MOclear sky858
Tampa, FLbroken clouds838
Detroit, MIclear sky757
Los Angeles, CAovercast clouds677
Minneapolis, MNovercast clouds757
Pittsburgh, PAovercast clouds767
San Diego, CAbroken clouds727
San Francisco, CAbroken clouds677
Toronto, ONclear sky706
Denver, COclear sky715
Baltimore, MDovercast clouds764
Bronx, NYfew clouds754
Cleveland, OHfew clouds774
Milwaukee, WIbroken clouds774
Philadelphia, PAovercast clouds784
Queens, NYbroken clouds774
Seattle, WAbroken clouds584
Washington, DCovercast clouds744
Boston, MAbroken clouds743
Chicago (NL), ILscattered clouds783
Data last updated: 1759251367
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