The table below gives the MEAN heat index forecast for days 3 through 7 at PORTLAND_ME.
| WED | THU | FRI | SAT | SUN | |
|---|---|---|---|---|---|
| MAY 20 | MAY 21 | MAY 22 | MAY 23 | MAY 24 | |
| MEAN HEAT INDEX | 72 F | 53 F | 50 F | 50 F | 51 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 % | 0 % | 0 % |
| 85 F | 0 % | 0 % | 0 % | 0 % | 0 % |
| 80 F | 4 % | 0 % | 0 % | 0 % | 0 % |
| 75 F | 26 % | 0 % | 0 % | 0 % | 0 % |
| 70 F | 70 % | 0 % | 0 % | 0 % | 0 % |