Caldwell, ID Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Caldwell, ID in one place.
Sunny, with a high near 65. Northwest wind around 12 mph.
Local Weather Overview
This forecast page for Caldwell, 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: Oct 11, 2026 10:43 PM MDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Caldwell, ID.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 11, 2026 10:43 PM MDT
- Forecast office
- BOI
- Source
- NOAA / NWS
Daily Outlook
This Week in Caldwell
Friday looks like the warmest upcoming period in Caldwell at 74 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Tuesday at about 12 mph NW.
The forecast from Oct 13 through Oct 18 stays mostly dry.
Forecast Details
- Last updated
- Oct 11, 2026 10:43 PM MDT
- 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
Areas of frost after 4am. Clear, with a low around 34. West northwest wind 3 to 8 mph.
Areas of frost before 7am, then areas of frost and patchy fog between 7am and 10am. Sunny, with a high near 67.
Areas of fog after 2am. Clear, with a low around 36.
Areas of fog before 10am. Sunny, with a high near 70.
Clear, with a low around 39.
Sunny, with a high near 74.
Mostly clear, with a low around 42.
Sunny, with a high near 74.
Mostly clear, with a low around 41.
Areas of fog between 7am and 10am. Sunny, with a high near 72.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
65°F |
12 mph
NW
|
|
Tuesday Night
Oct 13
|
Clear then Areas Of Frost
|
34°F |
3 to 8 mph
WNW
|
|
Wednesday
Oct 14
|
Areas Of Frost then Sunny
|
67°F |
1 to 7 mph
NNE
|
|
Wednesday Night
Oct 14
|
Clear then Areas Of Fog
|
36°F |
1 to 5 mph
NW
|
|
Thursday
Oct 15
|
Areas Of Fog then Sunny
|
70°F |
2 mph
N
|
|
Thursday Night
Oct 15
|
Clear
|
39°F |
5 mph
ESE
|
|
Friday
Oct 16
|
Sunny
|
74°F |
6 to 10 mph
SE
|
|
Friday Night
Oct 16
|
Mostly Clear
|
42°F |
8 mph
SE
|
|
Saturday
Oct 17
|
Sunny
|
74°F |
3 to 7 mph
S
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
41°F |
2 mph
SW
|
|
Sunday
Oct 18
|
Areas Of Fog then Sunny
|
72°F |
2 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Caldwell.