Omani media reported that classes were halted in Muscat due to rain on Wednesday.
Oman's official news agency ONA reported that public and private schools in Muscat were closed due to severe weather.
Muscat experienced rainfall on Tuesday.
The ONA reports that civil defence and ambulance authorities in Muscat received 30 rain-related reports and rescued 51 people trapped by rainfall without sustaining any injuries.
According to the Sultanate's meteorological authorities, an air depression will continue to affect the country until Thursday morning with rain hitting several areas, including Muscat.