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™
Los Angeles, CAfew clouds778
Anaheim, CAfew clouds777
Miami, FLclear sky627
Phoenix, AZbroken clouds826
Sacramento, CAclear sky674
Denver, CObroken clouds634
San Diego, CAfew clouds744
Tampa, FLfew clouds533
Boston, MAsnow262
San Francisco, CAovercast clouds632
Arlington, TXclear sky591
Atlanta, GAfew clouds361
Baltimore, MDovercast clouds401
Bronx, NYovercast clouds331
Chicago (AL), ILfew clouds281
Chicago (NL), ILfew clouds271
Cincinnati, OHovercast clouds301
Cleveland, OHlight snow241
Detroit, MIovercast clouds261
Houston, TXfew clouds651
Kansas City, MOclear sky311
Milwaukee, WIscattered clouds271
Minneapolis, MNbroken clouds221
Philadelphia, PAbroken clouds381
Pittsburgh, PAovercast clouds291
Queens, NYovercast clouds321
Seattle, WAbroken clouds481
St. Louis, MOclear sky311
Toronto, ONclear sky241
Washington, DCbroken clouds401
Data last updated: 1771880168
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