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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 |
 scattered clouds |
76 | 8 | |
| Houston, TX |
 overcast clouds |
78 | 8 | |
| Phoenix, AZ |
scattered clouds |
84 | 7 | |
| Anaheim, CA |
 clear sky |
64 | 6 | |
| San Francisco, CA |
 few clouds |
60 | 6 | |
| West Palm Beach, FL |
scattered clouds |
75 | 6 | |
| Baltimore, MD |
few clouds |
68 | 5 | |
| Cincinnati, OH |
broken clouds |
69 | 5 | |
| Detroit, MI |
clear sky |
65 | 5 | |
| Los Angeles, CA |
clear sky |
62 | 5 | |
| Oakland, CA |
few clouds |
62 | 5 | |
| Philadelphia, PA |
few clouds |
64 | 5 | |
| Queens, NY |
broken clouds |
55 | 5 | |
| Tampa Bay, FL |
broken clouds |
77 | 5 | |
| Jupiter, FL |
overcast clouds |
74 | 4 | |
| Atlanta, GA |
clear sky |
66 | 4 | |
| Cleveland, OH |
clear sky |
66 | 4 | |
| Miami, FL |
broken clouds |
77 | 4 | |
| Milwaukee, WI |
clear sky |
59 | 4 | |
| Pittsburgh, PA |
scattered clouds |
66 | 4 | |
| San Diego, CA |
broken clouds |
62 | 4 | |
| St. Louis, MO |
broken clouds |
65 | 4 | |
| Washington, DC |
clear sky |
66 | 4 | |
| Williamsport, PA |
clear sky |
63 | 4 | |
| Mexico City, México |
broken clouds |
75 | 3 | |
| Bronx, NY |
overcast clouds |
54 | 3 | |
| Chicago (AL), IL |
few clouds |
61 | 3 | |
| Chicago (NL), IL |
scattered clouds |
61 | 3 | |
| Denver, CO |
overcast clouds |
53 | 3 | |
| Dyersville, IA |
 light rain |
60 | 3 | |
| Kansas City, MO |
clear sky |
68 | 3 | |
| Minneapolis, MN |
few clouds |
57 | 3 | |
| Seattle, WA |
 broken clouds |
55 | 3 | |
| Toronto, ON |
few clouds |
53 | 3 | |
| Boston, MA |
few clouds |
47 | 1 |
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