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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™ | |
|---|---|---|---|---|
| Baltimore, MD |
 scattered clouds |
81 | 8 | |
| Bronx, NY |
 clear sky |
74 | 8 | |
| Chicago (NL), IL |
 overcast clouds |
62 | 8 | |
| Cleveland, OH |
clear sky |
74 | 8 | |
| Dyersville, IA |
overcast clouds |
58 | 8 | |
| Philadelphia, PA |
scattered clouds |
75 | 8 | |
| Pittsburgh, PA |
clear sky |
75 | 8 | |
| Washington, DC |
clear sky |
77 | 8 | |
| West Palm Beach, FL |
broken clouds |
78 | 8 | |
| Cincinnati, OH |
 few clouds |
73 | 6 | |
| Williamsport, PA |
overcast clouds |
67 | 6 | |
| Houston, TX |
overcast clouds |
71 | 5 | |
| Queens, NY |
scattered clouds |
75 | 5 | |
| St. Louis, MO |
overcast clouds |
60 | 5 | |
| Tampa Bay, FL |
clear sky |
75 | 5 | |
| Jupiter, FL |
broken clouds |
78 | 4 | |
| Anaheim, CA |
scattered clouds |
58 | 4 | |
| Arlington, TX |
broken clouds |
67 | 4 | |
| Boston, MA |
overcast clouds |
69 | 4 | |
| Chicago (AL), IL |
overcast clouds |
62 | 4 | |
| Detroit, MI |
scattered clouds |
72 | 4 | |
| Miami, FL |
few clouds |
79 | 4 | |
| Milwaukee, WI |
overcast clouds |
60 | 4 | |
| Phoenix, AZ |
clear sky |
70 | 4 | |
| San Diego, CA |
broken clouds |
57 | 4 | |
| Atlanta, GA |
broken clouds |
65 | 3 | |
| Kansas City, MO |
clear sky |
57 | 3 | |
| Los Angeles, CA |
clear sky |
56 | 3 | |
| Oakland, CA |
few clouds |
52 | 3 | |
| Mexico City, México |
clear sky |
61 | 1 | |
| Denver, CO |
scattered clouds |
50 | 1 | |
| Minneapolis, MN |
overcast clouds |
44 | 1 | |
| San Francisco, CA |
few clouds |
50 | 1 | |
| Seattle, WA |
 heavy intensity rain |
41 | 1 | |
| Toronto, ON |
overcast clouds |
49 | 1 |
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