Montclair, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Montclair, CA in one place.
Sunny, with a high near 90. South southwest wind 0 to 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Montclair, CA 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 22, 2026 4:14 AM PDT.
The active forecast window currently covers Sep 23 to Sep 28, 2026 for Montclair, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 23 to Sep 28, 2026
- Latest sync
- Sep 22, 2026 4:14 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Montclair
Friday looks like the warmest upcoming period in Montclair at 94 degrees F.
Sunday Night is the coolest period ahead with temperatures near 63 degrees F.
The strongest winds are forecast for Wednesday at about 0 to 10 mph SSW.
The forecast from Sep 23 through Sep 28 stays mostly dry.
Forecast Details
- Last updated
- Sep 22, 2026 4:14 AM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- SGX
- Radar station
- KSOX
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 65. West northwest wind 0 to 10 mph, with gusts as high as 20 mph.
Sunny, with a high near 92.
Mostly clear, with a low around 67.
Sunny, with a high near 94.
Mostly clear, with a low around 68.
Sunny, with a high near 91.
Mostly clear, with a low around 66.
Sunny, with a high near 85.
Mostly clear, with a low around 63.
Sunny, with a high near 83.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 23
|
Sunny
|
90°F |
0 to 10 mph
SSW
|
|
Wednesday Night
Sep 23
|
Mostly Clear
|
65°F |
0 to 10 mph
WNW
|
|
Thursday
Sep 24
|
Sunny
|
92°F |
0 to 10 mph
WNW
|
|
Thursday Night
Sep 24
|
Mostly Clear
|
67°F |
0 to 5 mph
W
|
|
Friday
Sep 25
|
Sunny
|
94°F |
0 to 10 mph
W
|
|
Friday Night
Sep 25
|
Mostly Clear
|
68°F |
0 to 10 mph
WNW
|
|
Saturday
Sep 26
|
Sunny
|
91°F |
0 to 10 mph
WSW
|
|
Saturday Night
Sep 26
|
Mostly Clear
|
66°F |
0 to 10 mph
WNW
|
|
Sunday
Sep 27
|
Sunny
|
85°F |
0 to 10 mph
WSW
|
|
Sunday Night
Sep 27
|
Mostly Clear
|
63°F |
0 to 10 mph
WSW
|
|
Monday
Sep 28
|
Sunny
|
83°F |
0 to 10 mph
WNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Montclair.
