Grafton, UT Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Grafton, UT in one place.
A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms. Mostly sunny. High near 88, with temperatures falling to around 86 in the afternoon. South wind 9 to 13 mph. Chance of precipitation is 50%.
Local Weather Overview
This forecast page for Grafton, 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: Sep 14, 2026 8:29 PM MDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Grafton, UT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 14, 2026 8:29 PM MDT
- Forecast office
- SLC
- Source
- NOAA / NWS
Daily Outlook
This Week in Grafton
Wednesday looks like the warmest upcoming period in Grafton at 89 degrees F.
Saturday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Wednesday Night at about 9 to 17 mph SE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 8:29 PM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- SLC
- Radar station
- KICX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Mostly cloudy. Low around 66, with temperatures rising to around 68 overnight. South southeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain showers before noon, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. South southeast wind 9 to 14 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind 9 to 17 mph. Chance of precipitation is 40%.
A chance of showers and thunderstorms before noon, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Mostly clear, with a low around 63.
Sunny, with a high near 86.
Clear, with a low around 61.
Sunny, with a high near 88.
Clear, with a low around 60.
Sunny, with a high near 88.
Mostly clear, with a low around 60.
A slight chance of showers and thunderstorms after noon. Sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
88°F |
9 to 13 mph
S
|
|
Tuesday Night
Sep 15
|
Showers And Thunderstorms Likely
|
66°F |
10 to 15 mph
SSE
|
|
Wednesday
Sep 16
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
89°F |
9 to 14 mph
SSE
|
|
Wednesday Night
Sep 16
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
65°F |
9 to 17 mph
SE
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
87°F |
8 to 15 mph
SSE
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
63°F |
8 to 13 mph
SSE
|
|
Friday
Sep 18
|
Sunny
|
86°F |
5 to 12 mph
S
|
|
Friday Night
Sep 18
|
Clear
|
61°F |
6 to 15 mph
WNW
|
|
Saturday
Sep 19
|
Sunny
|
88°F |
1 to 12 mph
SW
|
|
Saturday Night
Sep 19
|
Clear
|
60°F |
3 to 15 mph
NNE
|
|
Sunday
Sep 20
|
Sunny
|
88°F |
2 to 13 mph
SE
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
60°F |
5 to 16 mph
NE
|
|
Monday
Sep 21
|
Sunny then Slight Chance Showers And Thunderstorms
|
86°F |
2 to 14 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grafton.
