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HRF Premium provides on-demand HRF forecast data using up to date weather information along with our trained model. Check out a preview below or view the pricing page for more information.
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™ | |
|---|---|---|---|---|
| Phoenix, AZ |  scattered clouds | 91 | 9 | |
| Arlington, TX |  clear sky | 81 | 8 | |
| Houston, TX |  overcast clouds | 80 | 8 | |
| Mexico City, Mexico | overcast clouds | 68 | 8 | |
| Miami, FL |  light rain | 80 | 8 | |
| Sacramento, CA |  clear sky | 73 | 8 | |
| Atlanta, GA | clear sky | 68 | 7 | |
| Queens, NY | broken clouds | 58 | 7 | |
| Tampa, FL | scattered clouds | 76 | 7 | |
| Anaheim, CA |  few clouds | 65 | 6 | |
| Seattle, WA |  broken clouds | 56 | 6 | |
| Bronx, NY | broken clouds | 60 | 5 | |
| Los Angeles, CA | clear sky | 63 | 5 | |
| San Francisco, CA |  few clouds | 59 | 5 | |
| Tampa Bay, FL | clear sky | 77 | 5 | |
| Baltimore, MD | moderate rain | 57 | 4 | |
| Boston, MA | overcast clouds | 56 | 4 | |
| Kansas City, MO | clear sky | 59 | 4 | |
| Philadelphia, PA | overcast clouds | 62 | 4 | |
| Cincinnati, OH | clear sky | 54 | 3 | |
| Denver, CO | clear sky | 76 | 3 | |
| Minneapolis, MN | clear sky | 58 | 3 | |
| Pittsburgh, PA | overcast clouds | 51 | 3 | |
| San Diego, CA | few clouds | 64 | 3 | |
| St. Louis, MO | clear sky | 61 | 3 | |
| Washington, DC | moderate rain | 57 | 3 | |
| Chicago (AL), IL | few clouds | 47 | 1 | |
| Chicago (NL), IL | few clouds | 47 | 1 | |
| Cleveland, OH | overcast clouds | 47 | 1 | |
| Detroit, MI | overcast clouds | 46 | 1 | |
| Milwaukee, WI | few clouds | 45 | 1 | |
| Toronto, ON | overcast clouds | 47 | 1 |
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