October weather forecast
Idaho, USA

As Idaho drifts deeper into the heart of autumn, October emerges as a month bathed in a tapestry of rich hues and marked by a perceptible drop in temperatures. It’s a time of transition, where the final vestiges of summer warmth intertwine with the undeniable crispness of approaching winter.

The mountainous backdrops, such as the Clearwater Mountains, are now awash with a full palette of autumn colors. Russet, amber, and burgundy leaves blanket the landscapes, offering some of the most picturesque views of the year. This natural spectacle tends to reach its zenith in the early half of the month before the trees slowly shed their foliage in preparation for winter.

In urban centers, including Boise, daily temperatures tend to settle between the high 50s°F to mid 60s°F. The contrast between day and night temperatures becomes more pronounced, with nights often dipping into the cooler ranges, signaling the need for warmer attire.

Precipitation in October sees a noticeable increase from September, especially in regions closer to the Pacific influence. Rain showers become more frequent, interspersed with moments of sunshine that cast a golden hue over the damp terrains. The eastern regions, less influenced by the Pacific, might see lighter rainfall but with colder mornings.

The tranquil rivers of September now show signs of the impending chill, their waters reflecting the muted skies and multi-colored landscapes. While lake waters cool considerably from the warmer months, they become a haven for reflections, capturing the essence of Idaho's fall in their depths.

As October progresses, there's an increasing anticipation of the first frost, especially in the higher altitudes and northern regions. By comparison to November, October retains a milder demeanor, but with each passing day, the approaching embrace of winter becomes unmistakable.

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• Boise - October »
  In Boise, Idaho, snow does not fall in May through October. In Boise, during October, the rain falls for 8.7 days and regularly aggregates up to 1.02" (26mm) of precipitation.
• Meridian - October »
  On the first day of October in Meridian, sunrise is at 7:44 am and sunset at 7:25 pm. As Meridian welcomes October, the average high-temperature witnesses a distinct drop, moving from a moderately hot 78.1°F (25.6°C) in September to a refreshing 61°F (16.1°C).
• Nampa - October »
  On the first day of October in Nampa, sunrise is at 7:44 am and sunset at 7:26 pm. With the onset of October, Nampa's average high-temperature witnesses a clear drop, receding from September's warm 79°F (26.1°C) to a comfortable 62.2°F (16.8°C).
• Idaho Falls - October »
  In Idaho Falls, in October, during 7.2 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Idaho Falls in October, it is raining for 7.2 days, with typically 0.63" (16mm) of accumulated precipitation.
• Pocatello - October »
  In Pocatello, in October, snow falls for 1.3 days, with typically accumulated 0.28" (7mm) of snow. In Pocatello, in October, it is raining for 8.9 days, with typically 0.75" (19mm) of accumulated precipitation.
• Caldwell - October »
  In Caldwell in October, it is raining for 8 days, with typically 0.71" (18mm) of accumulated precipitation. In Caldwell, in October, during 8 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.
• Coeur d'Alene - October »
  In Coeur d'Alene, Idaho, during October, the rain falls for 13.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Coeur d'Alene in October, during 1.4 snowfall days, 1.1" (28mm) of snow is typically accumulated.
• Twin Falls - October »
  On the first day of October in Twin Falls, sunrise is at 7:35 am and sunset at 7:18 pm. In Twin Falls, during October, the rain falls for 6 days and regularly aggregates up to 0.55" (14mm) of precipitation.
• Lewiston - October »
  In Lewiston in October, it is raining for 11.6 days, with typically 1.14" (29mm) of accumulated precipitation. October's arrival in Lewiston signals a significant decrease in average high-temperatures, falling from September's warm 75°F (23.9°C) to a moderate 59.7°F (15.4°C).
• Post Falls - October »
  In Post Falls during October, the rain falls for 13.9 days and regularly aggregates up to 2.13" (54mm) of precipitation. In Post Falls in October, it is raining for 13.9 days, with typically 2.13" (54mm) of accumulated precipitation.
• Rexburg - October »
  In Rexburg in October, during 2.6 snowfall days, 0.71" (18mm) of snow is typically accumulated. In Rexburg, in October, during 2.6 snowfall days, 0.71" (18mm) of snow is typically accumulated.
• Moscow - October »
  In Moscow, in October, snow falls for 0.8 days, with typically accumulated 0.47" (12mm) of snow. In Moscow, during October, snow falls for 0.8 days and regularly aggregates up to 0.47" (12mm) of snow.