Mendon, UT Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Mendon, UT in one place.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 58. North wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Mendon, UT is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: May 19, 2026 2:38 PM MDT.
The active forecast window currently covers May 21 to May 25, 2026 for Mendon, UT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 21 to May 25, 2026
- Latest sync
- May 19, 2026 2:38 PM MDT
- Forecast office
- SLC
- Source
- NOAA / NWS
Daily Outlook
This Week in Mendon
Memorial Day looks like the warmest upcoming period in Mendon at 79 degrees F.
Thursday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Memorial Day at about 9 to 18 mph SSW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- May 19, 2026 2:38 PM MDT
- Coverage
- 6 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 44.
Mostly sunny, with a high near 64.
Mostly clear, with a low around 48.
Sunny, with a high near 71.
Mostly clear, with a low around 55.
Sunny, with a high near 76.
Mostly clear, with a low around 58.
Sunny, with a high near 79.
Mostly clear, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
May 21
|
Chance Showers And Thunderstorms
|
58°F |
9 mph
N
|
|
Thursday Night
May 21
|
Mostly Clear
|
44°F |
6 to 12 mph
NNE
|
|
Friday
May 22
|
Mostly Sunny
|
64°F |
3 to 8 mph
NW
|
|
Friday Night
May 22
|
Mostly Clear
|
48°F |
3 to 8 mph
SE
|
|
Saturday
May 23
|
Sunny
|
71°F |
1 to 8 mph
SSE
|
|
Saturday Night
May 23
|
Mostly Clear
|
55°F |
7 to 10 mph
SE
|
|
Sunday
May 24
|
Sunny
|
76°F |
2 to 8 mph
S
|
|
Sunday Night
May 24
|
Mostly Clear
|
58°F |
10 mph
SE
|
|
Memorial Day
May 25
|
Sunny
|
79°F |
9 to 18 mph
SSW
|
|
Monday Night
May 25
|
Mostly Clear
|
60°F |
17 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mendon.