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™
Cincinnati, OH	few clouds	85	10
Philadelphia, PA	scattered clouds	86	10
Washington, DC	scattered clouds	88	10
Anaheim, CA	clear sky	71	8
Arlington, TX	scattered clouds	78	8
Baltimore, MD	few clouds	84	8
Chicago (NL), IL	overcast clouds	75	8
Dyersville, IA	overcast clouds	65	8
Houston, TX	broken clouds	82	8
Los Angeles, CA	few clouds	72	8
Oakland, CA	few clouds	70	8
Phoenix, AZ	few clouds	90	8
Pittsburgh, PA	few clouds	81	8
San Francisco, CA	few clouds	67	8
St. Louis, MO	few clouds	80	8
Bronx, NY	few clouds	76	7
San Diego, CA	broken clouds	68	7
West Palm Beach, FL	scattered clouds	80	7
Williamsport, PA	clear sky	86	7
Chicago (AL), IL	overcast clouds	74	6
Jupiter, FL	scattered clouds	80	5
Atlanta, GA	scattered clouds	83	5
Detroit, MI	clear sky	69	5
Miami, FL	scattered clouds	81	5
Mexico City, México	light rain	80	4
Cleveland, OH	clear sky	68	4
Kansas City, MO	overcast clouds	61	4
Tampa Bay, FL	clear sky	82	4
Toronto, ON	clear sky	65	4
Boston, MA	overcast clouds	55	3
Denver, CO	broken clouds	61	3
Milwaukee, WI	clear sky	58	3
Minneapolis, MN	overcast clouds	52	3
Queens, NY	few clouds	72	3
Seattle, WA	scattered clouds	64	3

Data last updated: 1714690566

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