Grand County, CO Weather Tomorrow

Check the latest weather forecast for Grand County tomorrow and over the next 5 days with precipitation chances, day and night conditions, high and low temperatures in Fahrenheit and Celsius, sunrise, sunset, sky conditions, wind chill, and wind speed with direction for the Grand County area.
Updated: Mon Oct 12th 2026 10:15 PM MDT
Grand County, CO Weather – 10-12 – Sunny
65° / 36°
Sunny
Daytime highs will reach 65°F with lows dropping to 36°F in Grand County, where it will be sunny. There's a very small chance of rainfall, only about 4% with an estimated 0in. Wind will be moderate, blowing around 20mph on average and gusts of 3.8mph at 11 PM. Humidity levels should be comfortable, sitting around 56% on average, the maximum being 58% at 11 PM and 58% being its lowest at 11 PM. Barometric pressure is its highest of 29.83inHg at 11 PM, a lowest point of 29.83inHg at 11 PM with an avg 29.83inHg.
Grand County, CO Weather – 10-13 – Scattered Thunderstorms
58° / 36°

Weather Tomorrow

Scattered Thunderstorms
Daytime highs will reach 58°F with lows dropping to 36°F in Grand County, where stormy weather is expected. Rainfall predicted to have a 71% chance with an estimated 0.18in. Winds will be light at 9mph and gusts of 14.5mph at 7 PM. The humidity will be on the higher side, averaging about 71%, the maximum being 95% at 6 AM and 36% being its lowest at 3 PM. Barometric pressure is its highest of 30.04inHg at 11 PM, a lowest point of 29.72inHg at 3 PM with an avg 29.88inHg.
Grand County, CO Weather – 10-14 – Heavy Snow
42° / 34°
Heavy Snow
Grand County may see heavy Snow, with daytime highs of 42°F and overnight lows near 34°F. The chance of rain is 92% with an estimated 0.74in. Snow is likely with a 80% chance with an estimated 4.9in. Winds will be light at 8mph and gusts of 17mph at 11 AM. High humidity with average of 92% is anticipated, the maximum being 100% at 10 PM and 83% being its lowest at 10 AM. Barometric pressure is its highest of 30.13inHg at 11 PM, a lowest point of 29.94inHg at 2 PM with an avg 30.01inHg.
Grand County, CO Weather – 10-15 – Heavy Snow
41° / 24°
Heavy Snow
In Grand County, heavy Snow is likely with a high near 41°F and a low around 24°F. The chance of rain is 88% with an estimated 0.22in. Snow is likely with a 88% chance with an estimated 1.5in. Winds will be light at 7mph and gusts of 13mph at 11 PM. High humidity with average of 95% is anticipated, the maximum being 100% at 2 AM and 83% being its lowest at 4 PM. Barometric pressure is its highest of 30.77inHg at 11 PM, a lowest point of 30.15inHg at 12 AM with an avg 30.42inHg.
Grand County, CO Weather – 10-16 – Sunny
48° / 16°
Sunny
Daytime highs will reach 48°F with lows dropping to 16°F in Grand County, where bright and sunny conditions. There's a very small chance of rainfall, only about 7%. Snow is likely with a 17% chance. Winds will be light at 8mph and gusts of 16.6mph at 11 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 88% at 11 PM and 49% being its lowest at 4 PM. Barometric pressure is its highest of 30.96inHg at 6 AM, a lowest point of 30.44inHg at 4 PM with an avg 30.69inHg.
Grand County, CO Weather – 10-17 – Sunny
52° / 22°
Sunny
It will be sunny in Grand County, with a high of 52°F and a low of 22°F. There's a very small chance of rainfall, only about 4%. Snow is likely with a 11% chance. Winds will be light at 6mph and gusts of 16.3mph at 12 AM. The humidity will be on the higher side, averaging about 62%, the maximum being 84% at 12 AM and 33% being its lowest at 3 PM. Barometric pressure is its highest of 30.62inHg at 6 AM, a lowest point of 30.14inHg at 5 PM with an avg 30.39inHg.

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