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™
Baltimore, MD	few clouds	87	10
Philadelphia, PA	few clouds	87	10
Washington, DC	scattered clouds	90	10
Anaheim, CA	few clouds	69	8
Arlington, TX	clear sky	78	8
Bronx, NY	few clouds	83	8
Chicago (NL), IL	overcast clouds	66	8
Cincinnati, OH	broken clouds	80	8
Cleveland, OH	scattered clouds	82	8
Dyersville, IA	broken clouds	60	8
Kansas City, MO	clear sky	69	8
Los Angeles, CA	clear sky	69	8
Pittsburgh, PA	few clouds	81	8
Queens, NY	scattered clouds	82	8
St. Louis, MO	broken clouds	68	8
West Palm Beach, FL	broken clouds	79	8
Williamsport, PA	clear sky	84	8
Phoenix, AZ	clear sky	82	7
Houston, TX	broken clouds	79	6
San Diego, CA	broken clouds	65	6
Jupiter, FL	overcast clouds	79	5
Chicago (AL), IL	overcast clouds	67	5
Denver, CO	overcast clouds	63	5
Detroit, MI	few clouds	78	5
San Francisco, CA	clear sky	62	5
Atlanta, GA	broken clouds	75	4
Boston, MA	scattered clouds	65	4
Miami, FL	broken clouds	81	4
Milwaukee, WI	overcast clouds	65	4
Oakland, CA	clear sky	62	4
Tampa Bay, FL	clear sky	84	4
Mexico City, México	clear sky	80	2
Minneapolis, MN	overcast clouds	49	2
Seattle, WA	overcast clouds	44	1
Toronto, ON	overcast clouds	49	1

Data last updated: 1714413367

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