Lewiston, ID Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Lewiston, ID in one place.
A chance of rain showers after 5am. Mostly cloudy, with a low around 67. East wind around 1 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Lewiston, ID 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 14, 2026 4:16 AM PDT.
The active forecast window currently covers Jul 14 to Jul 20, 2026 for Lewiston, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 4:16 AM PDT
- Forecast office
- OTX
- Source
- NOAA / NWS
Daily Outlook
This Week in Lewiston
Monday looks like the warmest upcoming period in Lewiston at 104 degrees F.
Friday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Thursday Night at about 2 to 15 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 4:16 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- OTX
- Radar station
- KOTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of rain showers before 5pm. Mostly cloudy, with a high near 88. East wind 1 to 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Mostly clear, with a low around 65. Northeast wind 1 to 7 mph.
Sunny, with a high near 101. Northwest wind 1 to 5 mph.
Mostly clear, with a low around 66. Northeast wind around 5 mph.
Sunny, with a high near 103.
Mostly clear, with a low around 65.
A slight chance of rain showers after 5pm. Sunny, with a high near 98. Chance of precipitation is 20%.
A slight chance of rain showers before 11pm. Mostly clear, with a low around 64. Chance of precipitation is 20%.
Sunny, with a high near 99.
Mostly clear, with a low around 64.
Sunny, with a high near 101.
Partly cloudy, with a low around 65.
Mostly sunny, with a high near 104.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 14
|
Chance Rain Showers
|
67°F |
1 mph
E
|
|
Tuesday
Jul 14
|
Chance Rain Showers
|
88°F |
1 to 9 mph
E
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
65°F |
1 to 7 mph
NE
|
|
Wednesday
Jul 15
|
Sunny
|
101°F |
1 to 5 mph
NW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
66°F |
5 mph
NE
|
|
Thursday
Jul 16
|
Sunny
|
103°F |
2 to 12 mph
NE
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
65°F |
2 to 15 mph
NW
|
|
Friday
Jul 17
|
Sunny then Slight Chance Rain Showers
|
98°F |
1 to 8 mph
N
|
|
Friday Night
Jul 17
|
Slight Chance Rain Showers then Mostly Clear
|
64°F |
0 to 8 mph
NW
|
|
Saturday
Jul 18
|
Sunny
|
99°F |
0 to 8 mph
N
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
64°F |
0 to 8 mph
NW
|
|
Sunday
Jul 19
|
Sunny
|
101°F |
0 to 6 mph
N
|
|
Sunday Night
Jul 19
|
Partly Cloudy
|
65°F |
1 to 6 mph
NE
|
|
Monday
Jul 20
|
Mostly Sunny
|
104°F |
3 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lewiston.