Do certain weather conditions lead to more home runs?

Yes! Weather conditions can change the distance a batted ball travels by more than 20%. Home Run Forecast provides a simple way to see the if weather will help or hinder baseball flight during a game. The Home Run Forecast Index demonstrates a strong correlation with the number of HRs hit and runs scored in big league games. Check out our Premium Subscription for on-demand HRFI forecast data by team and for each game.

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HRF forecast value available for each contest, with detailed data throughout the game.

Detailed weather data and hourly index data for each park.

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™
Arlington, TX	clear sky	97	10
Atlanta, GA	few clouds	85	10
Houston, TX	overcast clouds	89	10
Kansas City, MO	clear sky	93	10
Las Vegas, NV	overcast clouds	85	10
Phoenix, AZ	heavy intensity rain	97	10
St. Louis, MO	scattered clouds	91	10
Tampa, FL	few clouds	86	10
Anaheim, CA	overcast clouds	76	8
Bronx, NY	overcast clouds	82	8
Chicago (NL), IL	overcast clouds	69	8
Cincinnati, OH	light rain	79	8
Los Angeles, CA	overcast clouds	76	8
Miami, FL	overcast clouds	85	8
Philadelphia, PA	overcast clouds	81	8
Sacramento, CA	clear sky	78	8
San Diego, CA	overcast clouds	74	8
San Francisco, CA	broken clouds	64	8
Baltimore, MD	overcast clouds	80	7
Boston, MA	few clouds	75	7
Cleveland, OH	light rain	74	7
Pittsburgh, PA	overcast clouds	74	7
Washington, DC	overcast clouds	82	7
Detroit, MI	overcast clouds	78	6
Milwaukee, WI	scattered clouds	74	6
Minneapolis, MN	overcast clouds	75	6
Seattle, WA	clear sky	79	6
Tampa Bay, FL	clear sky	86	5
Dyersville, IA	overcast clouds	72	4
Chicago (AL), IL	overcast clouds	69	4
Queens, NY	overcast clouds	83	4
Toronto, ON	overcast clouds	77	4
Denver, CO	moderate rain	68	3

Data last updated: 1786668966

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Give your audience a quick way to understand how weather will affect hitting distance. Enhance your game previews, picks and analysis with hourly forecasts up to two days out. When it comes to fantasy baseball or the sportsbook every edge counts.