During October, Yellowstone National Park experiences low daytime temperatures of 9°C (48°F) and cooler nights around -4°C (25°F). Expect quite a bit of snow/rainfall. Around 66 mm (2.6 in) is typical.
If you're looking for dry conditions and comfortable temperatures, October may not be the ideal month to visit Yellowstone National Park. Our weather planner can help you explore destinations with more pleasant weather conditions.
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Pick a month to see the average temperature, rainfall and sunshine in Yellowstone National Park - and find the best time to visit.
45-year average (1976-2025)
Based on our historical records, temperatures in Yellowstone National Park typically drop from around 11°C (52°F) at the start of October to approximately 5°C (41°F) by the end. Nights are very cold, with lows typically ranging from -8°C (18°F) to -2°C (28°F).
45-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Yellowstone National Park spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
According to our 23 years of weather records for Yellowstone National Park, the following extremes were recorded between 2002 and 2025.
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in October →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Cold weather calls for smart layering in October. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Rain gear is recommended, you can expect wet weather on multiple days.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
See the full Yellowstone National Park climate overview or explore weather in the United States of America.
Where to go in October - average daytime high across popular destinations.
Miami Beach
29°C (84°F) Orlando
29°C (84°F) Kissimmee
29°C (84°F) Destin26°C (79°F) Los Angeles24°C (75°F) New York City19°C (66°F) Big Bear Lake19°C (66°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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