Summit County, CO Weather Tomorrow

The Summit County weather tomorrow and 5 day forecast provides precipitation probability, daily and nightly weather conditions, high and low temperature trends, sunrise and sunset information, sky cover, wind speed, wind direction, and wind chill throughout the Summit County area.
Updated: Mon Oct 12th 2026 11:30 AM MDT
Summit County, CO Weather – 10-12 – Sunny
58° / 27°
Sunny
Daytime highs will reach 58°F with lows dropping to 27°F in Summit County, where it will be sunny. There's a very small chance of rainfall, only about 3%. Wind will be moderate, blowing around 15mph on average and gusts of 35.4mph at 4 PM. Humidity levels should be comfortable, sitting around 59% on average, the maximum being 75% at 11 PM and 24% being its lowest at 2 PM. Barometric pressure is its highest of 29.91inHg at 10 PM, a lowest point of 29.74inHg at 2 PM with an avg 29.81inHg.
Summit County, CO Weather – 10-13 – Light Freezing Rain
53° / 25°

Weather Tomorrow

Light Freezing Rain
In Summit County, rain showers are likely with a high near 53°F and a low around 25°F. There's a moderate 44% chance of rainfall with an estimated 0.03in. Snow is likely with a 10% chance. Winds will be light at 10mph and gusts of 19.1mph at 3 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 93% at 4 AM and 31% being its lowest at 4 PM. Barometric pressure is its highest of 30.03inHg at 11 PM, a lowest point of 29.76inHg at 3 PM with an avg 29.88inHg.
Summit County, CO Weather – 10-14 – Moderate Or Heavy Snow In Area With Thunder
44° / 24°
Moderate Or Heavy Snow In Area With Thunder
Summit County is set for moderate Or Heavy Snow In Area With Thunder with temperatures peaking at 44°F and dipping to 24°F. The chance of rain is 85% with an estimated 0.32in. Snow is likely with a 84% chance with an estimated 1.8in. Wind will be moderate, blowing around 11mph on average and gusts of 21.3mph at 12 PM. High humidity with average of 87% is anticipated, the maximum being 99% at 7 PM and 63% being its lowest at 2 PM. Barometric pressure is its highest of 30.07inHg at 3 AM, a lowest point of 29.87inHg at 3 PM with an avg 29.99inHg.
Summit County, CO Weather – 10-15 – Moderate Snow
40° / 17°
Moderate Snow
Moderate Snow is in the forecast for Summit County, with a high of 40°F and a low of 17°F. The chance of rain is 90% with an estimated 0.26in. Snow is likely with a 92% chance with an estimated 1.9in. Winds will be light at 9mph and gusts of 15.3mph at 10 AM. High humidity with average of 93% is anticipated, the maximum being 99% at 6 AM and 79% being its lowest at 1 PM. Barometric pressure is its highest of 30.71inHg at 10 PM, a lowest point of 30.08inHg at 12 AM with an avg 30.34inHg.
Summit County, CO Weather – 10-16 – Sunny
46° / 10°
Sunny
Bright and sunny conditions in Summit County, with a high of 46°F and a low of 10°F. There's a very small chance of rainfall, only about 9%. Snow is likely with a 23% chance. Winds will be light at 7mph and gusts of 15.2mph at 5 AM. The humidity will be on the higher side, averaging about 76%, the maximum being 98% at 4 AM and 48% being its lowest at 3 PM. Barometric pressure is its highest of 30.87inHg at 5 AM, a lowest point of 30.44inHg at 4 PM with an avg 30.65inHg.
Summit County, CO Weather – 10-17 – Sunny
51° / 14°
Sunny
A sunny day is in the forecast for Summit County, with a high of 51°F and a low of 14°F. There's a very small chance of rainfall, only about 5%. Snow is likely with a 19% chance. Winds will be light at 6mph and gusts of 16.1mph at 6 PM. The humidity will be on the higher side, averaging about 68%, the maximum being 91% at 9 PM and 38% being its lowest at 12 PM. Barometric pressure is its highest of 30.66inHg at 12 AM, a lowest point of 30.11inHg at 3 PM with an avg 30.38inHg.

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