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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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™
West Palm Beach, FL	broken clouds	85	10
Arlington, TX	overcast clouds	80	8
Atlanta, GA	broken clouds	82	8
Boston, MA	scattered clouds	74	8
Houston, TX	broken clouds	84	8
Kansas City, MO	overcast clouds	69	8
St. Louis, MO	overcast clouds	71	8
Anaheim, CA	few clouds	66	7
Baltimore, MD	overcast clouds	71	7
Philadelphia, PA	overcast clouds	70	7
Pittsburgh, PA	broken clouds	71	7
Washington, DC	overcast clouds	73	7
Jupiter, FL	broken clouds	85	6
Bronx, NY	overcast clouds	65	6
Los Angeles, CA	clear sky	65	6
Queens, NY	overcast clouds	68	6
San Diego, CA	few clouds	66	6
Mexico City, México	overcast clouds	80	5
Cincinnati, OH	broken clouds	71	5
Phoenix, AZ	few clouds	75	5
Seattle, WA	scattered clouds	53	5
Williamsport, PA	overcast clouds	68	5
Chicago (AL), IL	broken clouds	66	4
Denver, CO	broken clouds	53	4
Detroit, MI	clear sky	65	4
Dyersville, IA	clear sky	69	4
Miami, FL	scattered clouds	84	4
Minneapolis, MN	broken clouds	70	4
Oakland, CA	scattered clouds	58	4
San Francisco, CA	scattered clouds	59	4
Tampa Bay, FL	clear sky	85	4
Toronto, ON	clear sky	65	4
Chicago (NL), IL	broken clouds	63	3
Cleveland, OH	broken clouds	65	3
Milwaukee, WI	scattered clouds	64	3

Data last updated: 1715018165

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