Arrow, ID Weather Forecast
Local 7-day forecast
Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Arrow, ID in one place.
Mostly cloudy, with a high near 76. North wind 1 to 5 mph.
Local Weather Overview
This forecast page for Arrow, 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 7:53 PM PDT.
The active forecast window currently covers Sep 15 to Sep 20, 2026 for Arrow, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 7:53 PM PDT
- Forecast office
- OTX
- Source
- NOAA / NWS
Daily Outlook
This Week in Arrow
Sunday looks like the warmest upcoming period in Arrow at 86 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 50 degrees F.
The strongest winds are forecast for Thursday at about 1 to 7 mph N.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 7:53 PM 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
Patchy fog after 5am. Partly cloudy, with a low around 50. North wind around 5 mph.
Sunny, with a high near 82. North wind 1 to 5 mph.
Mostly clear, with a low around 51.
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
A slight chance of rain showers before 11am. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
Mostly clear, with a low around 51.
Sunny, with a high near 84.
Mostly clear, with a low around 50.
Sunny, with a high near 86.
Mostly clear, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Mostly Cloudy
|
76°F |
1 to 5 mph
N
|
|
Tuesday Night
Sep 15
|
Partly Cloudy then Patchy Fog
|
50°F |
5 mph
N
|
|
Wednesday
Sep 16
|
Sunny
|
82°F |
1 to 5 mph
N
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
51°F |
5 mph
N
|
|
Thursday
Sep 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
83°F |
1 to 7 mph
N
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
52°F |
3 to 7 mph
SW
|
|
Friday
Sep 18
|
Slight Chance Rain Showers then Mostly Sunny
|
82°F |
3 mph
N
|
|
Friday Night
Sep 18
|
Mostly Clear
|
51°F |
5 mph
NE
|
|
Saturday
Sep 19
|
Sunny
|
84°F |
5 mph
N
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
50°F |
5 mph
N
|
|
Sunday
Sep 20
|
Sunny
|
86°F |
5 mph
NE
|
|
Sunday Night
Sep 20
|
Mostly Clear
|
50°F |
5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Arrow.