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, FLscattered clouds748
Houston, TXclear sky727
Anaheim, CAclear sky695
San Diego, CAfew clouds685
Los Angeles, CAclear sky684
Phoenix, AZclear sky694
Sacramento, CAclear sky634
San Francisco, CAfew clouds624
Tampa Bay, FLbroken clouds714
Arlington, TXclear sky713
Chicago (NL), ILscattered clouds603
Kansas City, MOclear sky673
Las Vegas, NVfew clouds623
Tampa, FLbroken clouds703
Atlanta, GAclear sky562
Cincinnati, OHscattered clouds562
Milwaukee, WIclear sky572
Minneapolis, MNovercast clouds532
Toronto, ONclear sky512
Williamsport, PAclear sky391
Baltimore, MDfew clouds471
Boston, MAclear sky451
Bronx, NYclear sky551
Chicago (AL), ILscattered clouds611
Cleveland, OHfew clouds491
Denver, COovercast clouds451
Detroit, MIclear sky501
Philadelphia, PAclear sky501
Pittsburgh, PAclear sky481
Queens, NYfew clouds551
Seattle, WAovercast clouds501
St. Louis, MOclear sky621
Washington, DCfew clouds491
Data last updated: 1792896966
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