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™
Seattle, WAscattered clouds547
Miami, FLovercast clouds705
Anaheim, CAclear sky614
Los Angeles, CAclear sky644
Phoenix, AZfew clouds724
Denver, COclear sky523
San Diego, CAfew clouds613
San Francisco, CAbroken clouds522
Tampa, FLfew clouds592
Sacramento, CAovercast clouds451
Arlington, TXclear sky481
Atlanta, GAclear sky331
Baltimore, MDovercast clouds251
Boston, MAbroken clouds211
Bronx, NYfew clouds261
Chicago (AL), ILovercast clouds221
Chicago (NL), ILovercast clouds221
Cincinnati, OHclear sky261
Cleveland, OHovercast clouds191
Detroit, MIclear sky171
Houston, TXfew clouds471
Kansas City, MOclear sky371
Milwaukee, WIclear sky171
Minneapolis, MNclear sky161
Philadelphia, PAovercast clouds241
Pittsburgh, PAlight snow181
Queens, NYfew clouds261
St. Louis, MOclear sky351
Toronto, ONovercast clouds231
Washington, DCovercast clouds261
Data last updated: 1765846570
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