Lewiston, MN Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lewiston, MN in one place.
Sunny, with a high near 91. West wind around 7 mph.
Local Weather Overview
This forecast page for Lewiston, MN 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: Jul 12, 2026 12:15 AM CDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Lewiston, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 12:15 AM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lewiston
Tuesday looks like the warmest upcoming period in Lewiston at 91 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Saturday at about 14 mph SW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 12:15 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- ARX
- Radar station
- KARX
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 68. West wind around 6 mph.
Sunny, with a high near 89. West wind around 6 mph.
Mostly clear, with a low around 67. Southwest wind around 5 mph.
Sunny, with a high near 88. Southwest wind 5 to 8 mph.
Partly cloudy, with a low around 69. South wind around 8 mph.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 88. South wind 8 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 69. South wind around 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. Southwest wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
91°F |
7 mph
W
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
68°F |
6 mph
W
|
|
Wednesday
Jul 15
|
Sunny
|
89°F |
6 mph
W
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
67°F |
5 mph
SW
|
|
Thursday
Jul 16
|
Sunny
|
88°F |
5 to 8 mph
SW
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
69°F |
8 mph
S
|
|
Friday
Jul 17
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
88°F |
8 to 12 mph
S
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms
|
69°F |
12 mph
S
|
|
Saturday
Jul 18
|
Slight Chance Showers And Thunderstorms
|
86°F |
14 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lewiston.