NBC4 Washington. Shimla's weather on Wednesday, October 28, 2026, will be marked by clear skies and comfortable temperatures, with a high of 19°C expected. Humidity will be around 76% with light winds. Meteorologist Chris Mastrobuono has the latest on a beautiful midweek, partly cloudy skies highs in the mid to upper 60s, some patchy fog early Thursday morning, milder highs Thursday.