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™
Anaheim, CA	clear sky	72	8
Arlington, TX	broken clouds	77	8
Baltimore, MD	scattered clouds	82	8
Boston, MA	broken clouds	69	8
Bronx, NY	clear sky	73	8
Chicago (NL), IL	broken clouds	74	8
Cincinnati, OH	scattered clouds	81	8
Cleveland, OH	scattered clouds	79	8
Detroit, MI	broken clouds	79	8
Houston, TX	overcast clouds	79	8
Kansas City, MO	scattered clouds	69	8
Los Angeles, CA	clear sky	71	8
Oakland, CA	few clouds	68	8
Philadelphia, PA	broken clouds	80	8
Pittsburgh, PA	scattered clouds	83	8
Queens, NY	broken clouds	70	8
San Francisco, CA	few clouds	64	8
St. Louis, MO	clear sky	74	8
Washington, DC	few clouds	84	8
Williamsport, PA	clear sky	76	8
San Diego, CA	few clouds	68	7
West Palm Beach, FL	broken clouds	78	7
Chicago (AL), IL	broken clouds	74	6
Seattle, WA	overcast clouds	53	6
Phoenix, AZ	few clouds	85	5
Tampa Bay, FL	clear sky	83	5
Jupiter, FL	broken clouds	78	4
Mexico City, México	broken clouds	82	4
Atlanta, GA	few clouds	76	4
Denver, CO	scattered clouds	62	4
Dyersville, IA	overcast clouds	66	4
Miami, FL	broken clouds	79	3
Toronto, ON	overcast clouds	60	3
Milwaukee, WI	overcast clouds	45	1
Minneapolis, MN	light rain	45	1

Data last updated: 1714341366

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