Letha, ID Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Letha, ID in one place.
Mostly sunny, with a high near 62. Southeast wind 1 to 5 mph.
Local Weather Overview
This forecast page for Letha, 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: Nov 5, 2026 4:29 PM MST.
The active forecast window currently covers Nov 7 to Nov 11, 2026 for Letha, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 7 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 4:29 PM MST
- Forecast office
- BOI
- Source
- NOAA / NWS
Daily Outlook
This Week in Letha
Veterans Day looks like the warmest upcoming period in Letha at 65 degrees F.
Sunday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Saturday Night at about 3 to 13 mph SE.
The forecast from Nov 7 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 4:29 PM MST
- Coverage
- 6 days
- Time zone
- America/Boise
- Forecast office
- BOI
- Radar station
- KCBX
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 39.
Partly sunny, with a high near 61.
Mostly cloudy, with a low around 37.
Partly sunny, with a high near 60.
Partly cloudy, with a low around 38.
Mostly sunny, with a high near 62.
Partly cloudy, with a low around 39.
Mostly sunny, with a high near 65.
Partly cloudy, with a low around 41.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Nov 7
|
Mostly Sunny
|
62°F |
1 to 5 mph
SE
|
|
Saturday Night
Nov 7
|
Partly Cloudy
|
39°F |
3 to 13 mph
SE
|
|
Sunday
Nov 8
|
Partly Sunny
|
61°F |
1 to 12 mph
SW
|
|
Sunday Night
Nov 8
|
Mostly Cloudy
|
37°F |
1 mph
NW
|
|
Monday
Nov 9
|
Partly Sunny
|
60°F |
1 mph
SSW
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
38°F |
1 mph
NNW
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
62°F |
1 mph
WNW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
39°F |
1 mph
ESE
|
|
Veterans Day
Nov 11
|
Mostly Sunny
|
65°F |
3 mph
SE
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
41°F |
5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Letha.