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.

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HRF forecast value available for each contest, with detailed data throughout the game.

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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™
Arlington, TX clear sky 59 7
Miami, FL clear sky 66 7
Mexico City, México clear sky 59 4
Houston, TX clear sky 58 4
Tampa Bay, FL clear sky 62 4
Jupiter, FL clear sky 62 3
Los Angeles, CA broken clouds 51 3
Phoenix, AZ broken clouds 63 3
San Diego, CA few clouds 54 3
West Palm Beach, FL clear sky 63 3
Anaheim, CA clear sky 51 1
Atlanta, GA clear sky 40 1
Baltimore, MD clear sky 39 1
Boston, MA moderate rain 39 1
Bronx, NY clear sky 41 1
Chicago (AL), IL few clouds 36 1
Chicago (NL), IL few clouds 34 1
Cincinnati, OH few clouds 44 1
Cleveland, OH few clouds 32 1
Denver, CO clear sky 43 1
Detroit, MI clear sky 29 1
Dyersville, IA broken clouds 31 1
Kansas City, MO few clouds 51 1
Milwaukee, WI clear sky 26 1
Minneapolis, MN clear sky 23 1
Oakland, CA scattered clouds 48 1
Philadelphia, PA scattered clouds 41 1
Pittsburgh, PA broken clouds 37 1
Queens, NY overcast clouds 42 1
San Francisco, CA broken clouds 49 1
Seattle, WA overcast clouds 44 1
St. Louis, MO clear sky 48 1
Toronto, ON scattered clouds 33 1
Washington, DC clear sky 37 1
Williamsport, PA clear sky 33 1
Data last updated: 1711709767
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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.

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