Mumbai has had very variable and extreme weather (as per Mumbai normals) since the last 1 month, 30 days.
From hot weather in the 2nd half of February to a a pleasant March so far.
From rising to 38c in latter half of February to the days around 30c and Nights a "pleasant" 20c in March 1st half.
Now, Summer will be showing up from Saturday 14th:
As the winds change direction, Saturday will see a rise to 34c, and Sunday 15th even more to 36c. Sea breeze onset time will play a crucial role in the movement of the day temperatures for Mumbai.
Even hotter at 38-40c from Sunday 15th will be interior North Konkan places like Badlapur, Panvel, Karjat and Thane to an extent.