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Summit County, UT 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: Tue Oct 27th 2026 9:45 AM MDT
Summit County, UT Weather – 10-27 – Sunny
49° / 27°
Sunny
Summit County is set for sunshine with temperatures peaking at 49°F and dipping to 27°F. There's a very small chance of rainfall, only about 4%. Snow is likely with a 6% chance. Wind will be moderate, blowing around 19mph on average and gusts of 34.7mph at 11 PM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 66% at 8 PM and 34% being its lowest at 1 PM. Barometric pressure is its highest of 29.95inHg at 10 AM, a lowest point of 29.8inHg at 4 PM with an avg 29.87inHg.
Summit County, UT Weather – 10-28 – Sunny
48° / 29°

Weather Tomorrow

Sunny
A sunny day is in the forecast for Summit County, with a high of 48°F and a low of 29°F. There's a moderate 36% chance of rainfall with an estimated 0.02in. Snow is likely with a 32% chance with an estimated 0.1in. Wind will be moderate, blowing around 17mph on average and gusts of 31.5mph at 1 AM. Humidity levels should be comfortable, sitting around 60% on average, the maximum being 86% at 6 AM and 32% being its lowest at 2 PM. Barometric pressure is its highest of 30.09inHg at 10 PM, a lowest point of 29.88inHg at 1 AM with an avg 29.99inHg.
Summit County, UT Weather – 10-29 – Overcast
50° / 29°
Overcast
Daytime highs will reach 50°F with lows dropping to 29°F in Summit County, where it will be overcast. There's a very small chance of rainfall, only about 10%. Snow is likely with a 11% chance. Winds will be light at 9mph and gusts of 17.8mph at 12 AM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 70% at 3 AM and 27% being its lowest at 2 PM. Barometric pressure is its highest of 30.1inHg at 8 AM, a lowest point of 29.93inHg at 4 PM with an avg 30.02inHg.
Summit County, UT Weather – 10-30 – Overcast
52° / 30°
Overcast
Summit County may see cloud-filled skies, with daytime highs of 52°F and overnight lows near 30°F. There might be light rainfall having a 17% chance with an estimated 0.01in. Snow is likely with a 14% chance with an estimated 0in. Winds will be light at 9mph and gusts of 19.5mph at 1 AM. Humidity levels should be comfortable, sitting around 54% on average, the maximum being 77% at 9 PM and 26% being its lowest at 2 PM. Barometric pressure is its highest of 30.01inHg at 8 AM, a lowest point of 29.85inHg at 2 PM with an avg 29.95inHg.
Summit County, UT Weather – 10-31 – Overcast
48° / 31°
Overcast
Daytime highs will reach 48°F with lows dropping to 31°F in Summit County, where it will be overcast. Rainfall predicted to have a 51% chance with an estimated 0.03in. Snow is likely with a 33% chance with an estimated 0in. Winds will be light at 8mph and gusts of 14.6mph at 11 PM. The humidity will be on the higher side, averaging about 67%, the maximum being 80% at 6 AM and 44% being its lowest at 4 PM. Barometric pressure is its highest of 30.04inHg at 8 PM, a lowest point of 29.91inHg at 3 PM with an avg 29.98inHg.
Summit County, UT Weather – 11-1 – Heavy Snow
38° / 27°
Heavy Snow
Summit County may see heavy Snow, with daytime highs of 38°F and overnight lows near 27°F. The chance of rain is 92% with an estimated 0.5in. Snow is likely with a 88% chance with an estimated 3.6in. Wind will be moderate, blowing around 12mph on average and gusts of 32.7mph at 11 AM. High humidity with average of 87% is anticipated, the maximum being 95% at 8 PM and 77% being its lowest at 12 AM. Barometric pressure is its highest of 30.04inHg at 11 PM, a lowest point of 29.75inHg at 2 PM with an avg 29.86inHg.

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