Montclair, CA Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Montclair, CA in one place.
A slight chance of rain showers before 5am. Partly cloudy, with a low around 47.
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: Apr 9, 2026 12:45 PM PDT.
The active forecast window currently covers Apr 12 to Apr 15, 2026 for Montclair, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 12 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 12:45 PM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Montclair
Wednesday looks like the warmest upcoming period in Montclair at 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Sunday Night at about 0 to 10 mph SW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Apr 9, 2026 12:45 PM PDT
- Coverage
- 4 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 sunny, with a high near 66.
Mostly clear, with a low around 47.
Sunny, with a high near 73.
Mostly clear, with a low around 50.
Sunny, with a high near 78.
Partly cloudy, with a low around 54.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday Night
Apr 12
|
Slight Chance Rain Showers
|
47°F |
0 to 10 mph
SW
|
|
Monday
Apr 12
|
Mostly Sunny
|
66°F |
0 to 10 mph
SW
|
|
Monday Night
Apr 13
|
Mostly Clear
|
47°F |
0 to 10 mph
SSE
|
|
Tuesday
Apr 13
|
Sunny
|
73°F |
0 to 10 mph
S
|
|
Tuesday Night
Apr 14
|
Mostly Clear
|
50°F |
0 to 10 mph
W
|
|
Wednesday
Apr 14
|
Sunny
|
78°F |
0 to 10 mph
SSW
|
|
Wednesday Night
Apr 15
|
Partly Cloudy
|
54°F |
0 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Montclair.
