NWS forecast for Phoenix.. their all time March high on record was March 26, 1988, 100F. They have only hit 100 once in March ever
Wednesday
Sunny, with a high near 102.
Thursday
Sunny, with a high near 105.
Friday
Sunny, with a high near 107.
Saturday
Sunny, with a high near 106.
Sunday
Mostly sunny, with a high near 103.