Seeing snow on Rohtang Pass in mid-October can be uncertain. The weather in October begins to transition from monsoon to winter, and while there may be chances of early snowfall, it is not guaranteed. Snowfall on Rohtang Pass typically occurs from late November to March. However, there may still be remnants of snow from previous snowfall on the higher reaches of the pass in mid-October. It’s advisable to check the current weather conditions and consult with local authorities before planning a visit to Rohtang Pass during this time of the year.