Lewiston, UT Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lewiston, UT in one place.
Mostly sunny, with a high near 84. North northwest wind around 3 mph.
Local Weather Overview
This forecast page for Lewiston, 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: Jun 1, 2026 6:13 PM MDT.
The active forecast window currently covers Jun 3 to Jun 7, 2026 for Lewiston, UT.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 3 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 6:13 PM MDT
- Forecast office
- SLC
- Source
- NOAA / NWS
Daily Outlook
This Week in Lewiston
Saturday looks like the warmest upcoming period in Lewiston at 89 degrees F.
Sunday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Saturday at about 2 to 18 mph SSW.
The forecast from Jun 3 through Jun 7 stays mostly dry.
Forecast Details
- Last updated
- Jun 1, 2026 6:13 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
Partly cloudy, with a low around 48.
Sunny, with a high near 83.
Clear, with a low around 46.
Sunny, with a high near 85.
Clear, with a low around 49.
Sunny, with a high near 89.
Partly cloudy, with a low around 50.
Mostly sunny, with a high near 78.
Partly cloudy, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Mostly Sunny
|
84°F |
3 mph
NNW
|
|
Wednesday Night
Jun 3
|
Partly Cloudy
|
48°F |
3 to 7 mph
E
|
|
Thursday
Jun 4
|
Sunny
|
83°F |
3 to 7 mph
NW
|
|
Thursday Night
Jun 4
|
Clear
|
46°F |
3 to 10 mph
NNE
|
|
Friday
Jun 5
|
Sunny
|
85°F |
1 to 6 mph
W
|
|
Friday Night
Jun 5
|
Clear
|
49°F |
2 to 7 mph
ESE
|
|
Saturday
Jun 6
|
Sunny
|
89°F |
2 to 18 mph
SSW
|
|
Saturday Night
Jun 6
|
Partly Cloudy
|
50°F |
9 to 14 mph
SE
|
|
Sunday
Jun 7
|
Mostly Sunny
|
78°F |
9 to 14 mph
NW
|
|
Sunday Night
Jun 7
|
Partly Cloudy
|
44°F |
6 to 12 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lewiston.
