Alton, ID Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Alton, ID in one place.
Sunny. High near 49, with temperatures falling to around 43 in the afternoon. Northwest wind around 5 mph.
Local Weather Overview
This forecast page for Alton, 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 4:20 PM MST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Alton, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 4:20 PM MST
- Forecast office
- PIH
- Source
- NOAA / NWS
Daily Outlook
This Week in Alton
Monday looks like the warmest upcoming period in Alton at 58 degrees F.
Friday Night is the coolest period ahead with temperatures near 24 degrees F.
The strongest winds are forecast for Friday at about 5 mph NW.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 4:20 PM MST
- Coverage
- 7 days
- Time zone
- America/Boise
- Forecast office
- PIH
- Radar station
- KMTX
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 24. North northwest wind around 5 mph.
Sunny, with a high near 53. West northwest wind around 3 mph.
Mostly clear, with a low around 29.
Sunny, with a high near 57.
Partly cloudy, with a low around 29.
Mostly sunny, with a high near 58.
Mostly cloudy, with a low around 30.
Mostly sunny, with a high near 57.
Partly cloudy, with a low around 30.
Sunny, with a high near 56.
Partly cloudy, with a low around 32.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Sunny
|
49°F |
5 mph
NW
|
|
Friday Night
Nov 6
|
Mostly Clear
|
24°F |
5 mph
NNW
|
|
Saturday
Nov 7
|
Sunny
|
53°F |
3 mph
WNW
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
29°F |
2 mph
SSW
|
|
Sunday
Nov 8
|
Sunny
|
57°F |
3 mph
SSW
|
|
Sunday Night
Nov 8
|
Partly Cloudy
|
29°F |
3 mph
SW
|
|
Monday
Nov 9
|
Mostly Sunny
|
58°F |
3 mph
S
|
|
Monday Night
Nov 9
|
Mostly Cloudy
|
30°F |
3 mph
SW
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
57°F |
3 mph
SSW
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
30°F |
2 mph
W
|
|
Veterans Day
Nov 11
|
Sunny
|
56°F |
2 mph
SSE
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
32°F |
2 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alton.