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 Location Sky Cover Temperature (°F) Home Run Forecast Index™
Phoenix, AZ clear sky 102 10
Sacramento, CA clear sky 82 8
Anaheim, CA clear sky 73 8
Arlington, TX clear sky 84 8
Atlanta, GA few clouds 82 8
Baltimore, MD few clouds 81 8
Boston, MA broken clouds 78 8
Cincinnati, OH overcast clouds 75 8
Denver, CO broken clouds 81 8
Houston, TX scattered clouds 84 8
Kansas City, MO few clouds 81 8
Los Angeles, CA clear sky 71 8
Philadelphia, PA overcast clouds 79 8
Pittsburgh, PA few clouds 74 8
Queens, NY broken clouds 78 8
San Francisco, CA few clouds 60 8
Tampa, FL clear sky 82 8
Washington, DC clear sky 81 8
Bronx, NY broken clouds 78 7
Minneapolis, MN moderate rain 72 6
Chicago (AL), IL broken clouds 71 5
Cleveland, OH light rain 70 5
Detroit, MI overcast clouds 69 5
Seattle, WA clear sky 76 5
St. Louis, MO clear sky 80 5
Chicago (NL), IL broken clouds 70 4
Miami, FL scattered clouds 81 4
Milwaukee, WI clear sky 65 4
San Diego, CA few clouds 69 4
Toronto, ON overcast clouds 72 4
Data last updated: 1751943366
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