Grant, ID Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grant, ID in one place.
Sunny, with a high near 73. North northwest wind 2 to 7 mph.
Local Weather Overview
This forecast page for Grant, 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 9:00 PM MDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Grant, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 14, 2026 9:00 PM MDT
- Forecast office
- PIH
- Source
- NOAA / NWS
Daily Outlook
This Week in Grant
Wednesday looks like the warmest upcoming period in Grant at 79 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Thursday at about 7 to 14 mph ESE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 9:00 PM MDT
- Coverage
- 7 days
- Time zone
- America/Boise
- Forecast office
- PIH
- Radar station
- KSFX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear. Low around 39, with temperatures rising to around 41 overnight. Northwest wind 2 to 6 mph.
Sunny, with a high near 79. Northeast wind around 6 mph.
A chance of rain after midnight. Partly cloudy, with a low around 48. East northeast wind around 8 mph. Chance of precipitation is 40%.
A chance of rain before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 40%.
Showers and thunderstorms likely before midnight, then a chance of rain. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
A slight chance of rain before noon. Mostly sunny, with a high near 71. Chance of precipitation is 20%.
A slight chance of rain before midnight. Partly cloudy, with a low around 42. Chance of precipitation is 20%.
Sunny, with a high near 71.
Mostly clear, with a low around 39.
Sunny, with a high near 74.
Mostly clear, with a low around 39.
Sunny, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Sunny
|
73°F |
2 to 7 mph
NNW
|
|
Tuesday Night
Sep 15
|
Mostly Clear
|
39°F |
2 to 6 mph
NW
|
|
Wednesday
Sep 16
|
Sunny
|
79°F |
6 mph
NE
|
|
Wednesday Night
Sep 16
|
Partly Cloudy then Chance Light Rain
|
48°F |
8 mph
ENE
|
|
Thursday
Sep 17
|
Chance Light Rain then Chance Showers And Thunderstorms
|
77°F |
7 to 14 mph
ESE
|
|
Thursday Night
Sep 17
|
Showers And Thunderstorms Likely then Chance Light Rain
|
46°F |
7 to 14 mph
SSE
|
|
Friday
Sep 18
|
Slight Chance Light Rain then Mostly Sunny
|
71°F |
8 mph
SSW
|
|
Friday Night
Sep 18
|
Slight Chance Light Rain then Partly Cloudy
|
42°F |
5 to 8 mph
SW
|
|
Saturday
Sep 19
|
Sunny
|
71°F |
5 mph
SW
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
39°F |
6 mph
SSW
|
|
Sunday
Sep 20
|
Sunny
|
74°F |
3 mph
NNW
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
39°F |
5 mph
E
|
|
Monday
Sep 21
|
Sunny
|
77°F |
5 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grant.