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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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™
Jupiter, FL	overcast clouds	86	10
Miami, FL	broken clouds	88	10
West Palm Beach, FL	broken clouds	87	10
Anaheim, CA	overcast clouds	60	8
Arlington, TX	few clouds	72	8
Atlanta, GA	few clouds	71	8
Baltimore, MD	few clouds	70	8
Dyersville, IA	overcast clouds	65	8
Houston, TX	few clouds	79	8
Phoenix, AZ	broken clouds	77	8
St. Louis, MO	overcast clouds	67	8
Kansas City, MO	overcast clouds	64	7
Mexico City, México	clear sky	76	6
Cincinnati, OH	clear sky	71	6
Pittsburgh, PA	scattered clouds	70	6
Chicago (NL), IL	broken clouds	65	5
Denver, CO	few clouds	59	5
Detroit, MI	clear sky	66	5
Minneapolis, MN	overcast clouds	57	5
Toronto, ON	scattered clouds	65	5
Washington, DC	few clouds	72	5
Williamsport, PA	clear sky	69	5
Chicago (AL), IL	broken clouds	68	4
Los Angeles, CA	overcast clouds	59	4
San Diego, CA	overcast clouds	61	4
San Francisco, CA	broken clouds	55	4
Seattle, WA	overcast clouds	52	4
Tampa Bay, FL	overcast clouds	84	4
Boston, MA	light rain	57	3
Bronx, NY	overcast clouds	60	3
Cleveland, OH	broken clouds	64	3
Milwaukee, WI	scattered clouds	64	3
Oakland, CA	broken clouds	56	3
Philadelphia, PA	overcast clouds	65	3
Queens, NY	overcast clouds	61	3

Data last updated: 1715871365

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