On December 30, in Baku and the Absheron Peninsula, the weather is expected to be partly cloudy, occasionally overcast, and mostly dry.

Axar.az informs according to the National Hydrometeorology Service, there may be light drizzle in some areas at night and in the morning. A mild southwest wind will be replaced by a northwesterly wind that occasionally strengthens in the morning.

Temperatures in Baku are forecast to range from 0–3°C at night to 6–8°C during the day. Atmospheric pressure will rise from 751 mmHg to 761 mmHg, with relative humidity between 70–80%.

Across Azerbaijan, some regions may see occasional rain or snow, with isolated areas potentially experiencing heavier precipitation. Showers are expected to gradually stop in the morning, with mainly dry conditions during the day. Fog may form at night and in the morning, and westerly winds may occasionally strengthen in some areas.

Night temperatures across the country will range from -1 to -6°C, with some areas remaining around 2°C, while daytime temperatures will reach 6–10°C. In the mountains, night temperatures are expected at -7 to -10°C, and in higher altitudes -11 to -15°C, with daytime temperatures ranging from -3 to 2°C. Some mountainous roads may be icy at night and in the morning.