Summit County, UT Weather Forecast
County weather hub
Sunny
Compare major city weather across Summit County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 39.
County Weather Overview
This county weather page brings together forecast coverage for Summit County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 4 of 4 mapped cities in Summit County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 18 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 4:13 AM MDT
- Forecast office
- SLC
- Source
- NOAA / NWS
Daily Outlook
This Week in Summit County
Monday looks like the warmest upcoming period in Summit County at 51 degrees F.
Saturday Night is the coolest period ahead with temperatures near 22 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 20 mph S.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 4:13 AM MDT
- Coverage
- 5 days
- Time zone
- America/Denver
- Forecast office
- SLC
- Radar station
- KMTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 22.
Mostly sunny, with a high near 48.
Mostly cloudy, with a low around 30.
Mostly sunny, with a high near 51.
Partly cloudy, with a low around 32.
A chance of snow showers after noon. Mostly sunny, with a high near 51.
A chance of snow showers. Mostly cloudy, with a low around 27. New snow accumulation of less than half an inch possible.
A chance of snow showers before noon, then a chance of snow showers and a slight chance of thunderstorms. Partly sunny, with a high near 38. New snow accumulation of less than one inch possible.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Sunny
|
39°F |
6 to 10 mph
SW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
22°F |
10 mph
SSW
|
|
Sunday
Apr 19
|
Mostly Sunny
|
48°F |
9 to 13 mph
SW
|
|
Sunday Night
Apr 19
|
Mostly Cloudy
|
30°F |
13 mph
S
|
|
Monday
Apr 20
|
Mostly Sunny
|
51°F |
12 to 17 mph
SSW
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
32°F |
10 to 15 mph
S
|
|
Tuesday
Apr 21
|
Mostly Sunny then Chance Snow Showers
|
51°F |
10 to 20 mph
S
|
|
Tuesday Night
Apr 21
|
Chance Snow Showers
|
27°F |
12 to 18 mph
SSW
|
|
Wednesday
Apr 22
|
Chance Snow Showers
|
38°F |
12 to 17 mph
WSW
|
Major City Forecasts
Live forecast snapshots for major cities across Summit County.
Coverage
Forecast coverage currently spans 4 of 4 mapped cities in Summit County.
Largest mapped city population in this region: 8,526.
