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Weather · Wyoming

Yellowstone National Park Weekend Weather

  1. TodayOctober 1812° 1°
  2. TomorrowOctober 1913° 0°
  3. TueOctober 2012° 2°
  4. WedOctober 2113° 2°
  5. ThuOctober 2213° 2°
  6. FriOctober 235° -3°
  7. SatOctober 242° -8°
  8. SunOctober 258° -8°
  9. MonOctober 2611° -5°
  10. TueOctober 277° -4°
  11. WedOctober 281° -3°
  12. ThuOctober 291° -5°
  13. FriOctober 304° -4°
  14. SatOctober 31-2° -8°

Sunday in Yellowstone National Park: 12°/1°, overcast.

Sunday, October 18

Yellowstone National Park · Sunday, October 18 2026

12°1°

Overcast

High 12°, low 1°

Chance of rain
0%
No rain
Wind
17 km/h
southwest
UV index
5
Moderate
Sunrise
07:41
Sunset 18:32
Day length
10 h 51 min
Moon
First quarter
51% illuminated

Updated: · Source: Open-Meteo

Forecast for Yellowstone National Park on Sunday, October 18, 2026: overcast, with a high of 12°C and a low of 1°C. No significant rain is expected (0% chance). Wind from the southwest at up to 17 km/h. Sunrise is at 07:41 and sunset at 18:32; day length 10 h 51 min. This day is 2° warmer than the 7-day average. The best time to be outdoors looks like 12:00–18:00.

What to wear and what to watch out for

  • Cool in the morning and evening: dress in layers and bring a sweater or jacket.

Sunday, October 18: hour by hour

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Weather nearby on October 18

Frequently asked questions

Will it rain in Yellowstone National Park on Sunday, October 18, 2026?
Most likely not: the chance of rain is 0%.

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