Pune experienced unseasonal light showers and cloudy skies on Sunday evening due to a western disturbance affecting northern India. This weather pattern, characterized by significant diurnal temperature variations with cold mornings and warm afternoons, is expected to continue for approximately 48 hours. The India Meteorological Department forecasts a potential increase in minimum temperatures after the first week of January, signaling a possible early end to the typical winter season. Health advisories suggest a rise in unseasonal ailments like coughs and viral fevers.