Do certain weather conditions lead to more home runs?

Yes! Weather conditions change the distance a batted ball travels by more than 20%. Home Run Forecast provides a simple indication of how weather will help or hinder baseball flight during a game. The HRFI demonstrates a strong correlation with HRs hit and runs scored in big league games. Check out our Premium Subscription for on-demand forecast data by team and 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™
Anaheim, CA clear sky 72 8
Boston, MA broken clouds 71 8
Bronx, NY clear sky 74 8
Cleveland, OH broken clouds 73 8
Houston, TX clear sky 81 8
Los Angeles, CA clear sky 69 8
Oakland, CA scattered clouds 64 8
Philadelphia, PA overcast clouds 75 8
Queens, NY broken clouds 71 8
San Francisco, CA scattered clouds 62 8
Toronto, ON broken clouds 71 8
Washington, DC clear sky 77 8
Williamsport, PA overcast clouds 71 6
Miami, FL broken clouds 79 6
Pittsburgh, PA broken clouds 76 6
San Diego, CA few clouds 69 6
Cincinnati, OH light rain 64 5
Detroit, MI overcast clouds 69 5
Phoenix, AZ few clouds 79 5
Arlington, TX clear sky 71 4
Atlanta, GA clear sky 73 4
Baltimore, MD broken clouds 76 4
St. Louis, MO clear sky 59 4
Tampa Bay, FL few clouds 81 4
Denver, CO scattered clouds 57 3
Kansas City, MO clear sky 55 3
Chicago (AL), IL broken clouds 51 2
Chicago (NL), IL broken clouds 51 2
Milwaukee, WI broken clouds 47 1
Minneapolis, MN overcast clouds 35 1
Seattle, WA overcast clouds 50 1
Data last updated: 1730415369
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