If it is the kind of rain that would wet the clothes and make the ground muddy, the answer is yes. One can also join in the masjid Asr to Thuhur or Isha to Maghrib.
If it is the kind of rain that would wet the clothes and make the ground muddy, the answer is yes. One can also join in the masjid Asr to Thuhur or Isha to Maghrib.