The table below gives the MEAN heat index forecast for days 3 through 7 at PORTLAND_ME.
| MON | TUE | WED | THU | FRI | |
|---|---|---|---|---|---|
| JUL 29 | JUL 30 | JUL 31 | AUG 01 | AUG 02 | |
| MEAN HEAT INDEX | 70 F | 74 F | 76 F | 78 F | 79 F |
| PROBABILITY OF MEAN HEAT INDEX EXCEEDING: | |||||
| 100 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 95 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 90 F | 0 % | 0 % | 0 % | 1 % | 3 % |
| 85 F | 0 % | 1 % | 4 % | 9 % | 16 % |
| 80 F | 0 % | 7 % | 21 % | 36 % | 44 % |
| 75 F | 7 % | 38 % | 57 % | 71 % | 75 % |
| 70 F | 51 % | 80 % | 90 % | 96 % | 95 % |