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™
Anaheim, CA	scattered clouds	62	8
Arlington, TX	overcast clouds	75	8
Atlanta, GA	broken clouds	82	8
Cincinnati, OH	broken clouds	77	8
Cleveland, OH	overcast clouds	69	8
Detroit, MI	overcast clouds	66	8
Houston, TX	scattered clouds	78	8
Los Angeles, CA	broken clouds	59	8
Phoenix, AZ	broken clouds	78	8
Pittsburgh, PA	broken clouds	73	8
West Palm Beach, FL	broken clouds	84	8
Washington, DC	overcast clouds	64	7
Mexico City, México	scattered clouds	82	6
Jupiter, FL	clear sky	85	5
Denver, CO	broken clouds	64	5
Minneapolis, MN	clear sky	67	5
Philadelphia, PA	light rain	55	5
San Francisco, CA	scattered clouds	56	5
Tampa Bay, FL	clear sky	86	5
Toronto, ON	overcast clouds	58	5
Baltimore, MD	overcast clouds	62	4
Chicago (AL), IL	broken clouds	59	4
Miami, FL	broken clouds	83	4
Oakland, CA	scattered clouds	55	4
St. Louis, MO	scattered clouds	69	4
Chicago (NL), IL	broken clouds	57	3
Dyersville, IA	overcast clouds	63	3
Kansas City, MO	light rain	59	3
Milwaukee, WI	clear sky	61	3
San Diego, CA	few clouds	62	3
Williamsport, PA	overcast clouds	53	3
Boston, MA	overcast clouds	52	2
Bronx, NY	moderate rain	51	2
Queens, NY	light rain	51	2
Seattle, WA	light rain	49	2

Data last updated: 1714931766

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