October weather forecast
Wyoming, USA

October in Wyoming fully embraces the autumn season with temperatures declining more noticeably. Average low temperatures can drop to between 30°F (-1.1°C) and 40°F (4.4°C), while average high temperatures generally hover from 60°F (15.6°C) to 70°F (21.1°C) in the plains. In the higher elevations, temperatures can range from 50°F (10°C) to 60°F (15.6°C). Precipitation remains relatively low but starts transitioning from rain to snow in many areas, especially the highlands.

October sees a further shortening of days and an increase in cloud cover compared to September. Winds continue to blow across the plains, though they start to take on a cooler, crisper edge as they interact with the lowering temperatures. The foliage reaches its peak color, offering stunning visual displays, particularly in the mountainous areas. Tourist activity generally slows, although the month remains popular for those seeking the autumn hues and early winter activities. Many trails in national parks like Yellowstone and Grand Teton begin to close, depending on weather conditions, signaling the end of the peak outdoor season.

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• Cheyenne - October »
  In Cheyenne in October, it is raining for 8 days, with typically 0.91" (23mm) of accumulated precipitation. In Cheyenne, during October, the rain falls for 8 days and regularly aggregates up to 0.91" (23mm) of precipitation.
• Casper - October »
  In Casper, during October, the rain falls for 7.2 days and regularly aggregates up to 0.98" (25mm) of precipitation. In Casper, during October, snow falls for 5.3 days and regularly aggregates up to 3.58" (91mm) of snow.
• Laramie - October »
  In Laramie during October, snow falls for 6.5 days and regularly aggregates up to 5.28" (134mm) of snow. The months with the lowest UV index in Laramie are January through April, October through December, with an average maximum UV index of 2.
• Gillette - October »
  In Gillette in October, snow falls for 4.8 days, with typically accumulated 1.81" (46mm) of snow. In Gillette, Wyoming, in October, during 4.8 snowfall days, 1.81" (46mm) of snow is typically accumulated.
• Rock Springs - October »
  In Rock Springs, Wyoming, in October, during 7.2 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Rock Springs in October, during 7.2 rainfall days, 0.94" (24mm) of precipitation is typically accumulated.
• Sheridan - October »
  In Sheridan in October, snow falls for 4.6 days, with typically accumulated 3.94" (100mm) of snow. The months with the lowest UV index in Sheridan are January through April, October through December, with an average maximum UV index of 2.
• Green River - October »
  In Green River during October, the rain falls for 7.2 days and regularly aggregates up to 0.94" (24mm) of precipitation. In Green River, during October, the rain falls for 7.2 days and regularly aggregates up to 0.94" (24mm) of precipitation.
• Evanston - October »
  In Evanston in October, during 5.5 snowfall days, 3.54" (90mm) of snow is typically accumulated. In Evanston in October, snow falls for 5.5 days, with typically accumulated 3.54" (90mm) of snow.
• Riverton - October »
  In Riverton in October, snow falls for 3.1 days, with typically accumulated 1.26" (32mm) of snow. In Riverton, Wyoming, in October, it is raining for 4.9 days, with typically 0.47" (12mm) of accumulated precipitation.
• Jackson - October »
  In Jackson, in October, snow falls for 13.3 days, with typically accumulated 12.2" (310mm) of snow. In Jackson, during October, snow falls for 13.3 days and regularly aggregates up to 12.2" (310mm) of snow.
• Cody - October »
  In Cody during October, the rain falls for 7.6 days and regularly aggregates up to 0.67" (17mm) of precipitation. In Cody, during October, snow falls for 3.6 days and regularly aggregates up to 2.13" (54mm) of snow.
• Rawlins - October »
  January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Rawlins, Wyoming. October is the first month it typically snows in Rawlins, Wyoming.