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™
Anaheim, CAclear sky8710
Los Angeles, CAclear sky8610
San Diego, CAclear sky859
Minneapolis, MNclear sky698
Sacramento, CAclear sky838
San Francisco, CAclear sky648
Miami, FLovercast clouds817
Kansas City, MOclear sky675
Las Vegas, NVclear sky745
Phoenix, AZbroken clouds825
Chicago (NL), ILclear sky644
Cleveland, OHclear sky644
Denver, COclear sky764
Tampa Bay, FLscattered clouds804
Tampa, FLscattered clouds794
Toronto, ONclear sky644
Arlington, TXclear sky713
Houston, TXbroken clouds753
Seattle, WAovercast clouds583
Williamsport, PAclear sky602
Milwaukee, WIclear sky642
St. Louis, MOclear sky672
Atlanta, GAclear sky651
Baltimore, MDclear sky611
Boston, MAclear sky541
Bronx, NYclear sky581
Chicago (AL), ILclear sky641
Cincinnati, OHclear sky671
Detroit, MIclear sky631
Philadelphia, PAclear sky601
Pittsburgh, PAclear sky621
Queens, NYclear sky581
Washington, DCclear sky611
Data last updated: 1792356967
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