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.

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

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	overcast clouds	88	10
Arlington, TX	clear sky	104	10
Atlanta, GA	scattered clouds	95	10
Baltimore, MD	overcast clouds	87	10
Houston, TX	clear sky	99	10
Las Vegas, NV	overcast clouds	101	10
Los Angeles, CA	few clouds	87	10
Phoenix, AZ	clear sky	100	10
Sacramento, CA	overcast clouds	86	10
Washington, DC	overcast clouds	90	10
Boston, MA	broken clouds	84	8
Bronx, NY	overcast clouds	79	8
Chicago (AL), IL	clear sky	78	8
Cincinnati, OH	clear sky	82	8
Denver, CO	clear sky	89	8
Detroit, MI	few clouds	81	8
Philadelphia, PA	broken clouds	82	8
Queens, NY	overcast clouds	80	8
San Diego, CA	overcast clouds	84	8
San Francisco, CA	overcast clouds	66	8
Tampa, FL	overcast clouds	85	8
Toronto, ON	scattered clouds	76	8
Kansas City, MO	clear sky	84	7
Miami, FL	overcast clouds	90	7
Seattle, WA	clear sky	78	7
St. Louis, MO	broken clouds	85	7
Williamsport, PA	moderate rain	67	6
Minneapolis, MN	overcast clouds	74	6
Pittsburgh, PA	overcast clouds	71	6
Cleveland, OH	scattered clouds	79	5
Milwaukee, WI	scattered clouds	78	5
Tampa Bay, FL	overcast clouds	86	5
Chicago (NL), IL	few clouds	78	4

Data last updated: 1787255766

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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.