Granite, ID Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Granite, ID in one place.
Sunny, with a high near 72. South wind around 2 mph.
Local Weather Overview
This forecast page for Granite, 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: Sep 14, 2026 8:59 PM MDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Granite, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 14, 2026 8:59 PM MDT
- Forecast office
- BOI
- Source
- NOAA / NWS
Daily Outlook
This Week in Granite
Wednesday looks like the warmest upcoming period in Granite at 79 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Thursday Night at about 0 to 3 mph WNW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 8:59 PM MDT
- Coverage
- 7 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 43. North wind around 1 mph.
Sunny, with a high near 79. North northeast wind around 2 mph.
A chance of rain showers after midnight. Partly cloudy, with a low around 50. North northeast wind around 2 mph. Chance of precipitation is 30%.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly sunny, with a high near 76. Chance of precipitation is 30%.
A slight chance of rain showers after midnight. Partly cloudy, with a low around 47. Chance of precipitation is 20%.
A chance of rain showers. Partly sunny, with a high near 70. Chance of precipitation is 30%.
Mostly clear, with a low around 44.
Sunny, with a high near 73.
Mostly clear, with a low around 45.
Sunny, with a high near 77.
Mostly clear, with a low around 46.
Sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Sunny
|
72°F |
2 mph
S
|
|
Tuesday Night
Sep 15
|
Partly Cloudy
|
43°F |
1 mph
N
|
|
Wednesday
Sep 16
|
Sunny
|
79°F |
2 mph
NNE
|
|
Wednesday Night
Sep 16
|
Partly Cloudy then Chance Rain Showers
|
50°F |
2 mph
NNE
|
|
Thursday
Sep 17
|
Chance Showers And Thunderstorms
|
76°F |
2 mph
SW
|
|
Thursday Night
Sep 17
|
Partly Cloudy then Slight Chance Rain Showers
|
47°F |
0 to 3 mph
WNW
|
|
Friday
Sep 18
|
Chance Rain Showers
|
70°F |
0 to 3 mph
WSW
|
|
Friday Night
Sep 18
|
Mostly Clear
|
44°F |
0 to 3 mph
N
|
|
Saturday
Sep 19
|
Sunny
|
73°F |
0 to 3 mph
NNE
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
45°F |
0 to 3 mph
N
|
|
Sunday
Sep 20
|
Sunny
|
77°F |
2 mph
N
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
46°F |
2 mph
N
|
|
Monday
Sep 21
|
Sunny
|
78°F |
2 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Granite.
Nearby forecast pages are not available for this location yet.