Lewiston, MN Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Lewiston, MN in one place.
Mostly sunny, with a high near 60. North wind 3 to 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: May 19, 2026 4:39 PM CDT.
The active forecast window currently covers May 20 to May 25, 2026 for Lewiston, MN.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 20 to May 25, 2026
- Latest sync
- May 19, 2026 4:39 PM CDT
- Forecast office
- ARX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lewiston
Memorial Day looks like the warmest upcoming period in Lewiston at 82 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Friday at about 13 mph E.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- May 19, 2026 4:39 PM CDT
- Coverage
- 6 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 cloudy, with a low around 43. East wind 3 to 7 mph.
Mostly sunny, with a high near 61. Southeast wind 8 to 12 mph, with gusts as high as 20 mph.
Mostly cloudy, with a low around 43. East wind around 10 mph, with gusts as high as 18 mph.
A chance of rain showers after 1pm. Mostly cloudy, with a high near 60. East wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 46. East wind 7 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 67. Southeast wind around 7 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 49. Northwest wind around 6 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 76. West wind around 6 mph.
Mostly clear, with a low around 53. South wind around 6 mph.
Sunny, with a high near 82. South wind around 9 mph.
Mostly clear, with a low around 57. South wind around 8 mph.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
May 20
|
Mostly Sunny
|
60°F |
3 to 7 mph
N
|
|
Wednesday Night
May 20
|
Mostly Cloudy
|
43°F |
3 to 7 mph
E
|
|
Thursday
May 21
|
Mostly Sunny
|
61°F |
8 to 12 mph
SE
|
|
Thursday Night
May 21
|
Mostly Cloudy
|
43°F |
10 mph
E
|
|
Friday
May 22
|
Mostly Cloudy then Chance Rain Showers
|
60°F |
13 mph
E
|
|
Friday Night
May 22
|
Chance Showers And Thunderstorms
|
46°F |
7 to 12 mph
E
|
|
Saturday
May 23
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
67°F |
7 mph
SE
|
|
Saturday Night
May 23
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
49°F |
6 mph
NW
|
|
Sunday
May 24
|
Mostly Sunny
|
76°F |
6 mph
W
|
|
Sunday Night
May 24
|
Mostly Clear
|
53°F |
6 mph
S
|
|
Memorial Day
May 25
|
Sunny
|
82°F |
9 mph
S
|
|
Monday Night
May 25
|
Mostly Clear
|
57°F |
8 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lewiston.