San Marino, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for San Marino, CA in one place.
Mostly sunny, with a high near 82.
Local Weather Overview
This forecast page for San Marino, 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 15, 2026 11:08 AM PDT.
The active forecast window currently covers Apr 19 to Apr 21, 2026 for San Marino, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 11:08 AM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in San Marino
Sunday looks like the warmest upcoming period in San Marino at 82 degrees F.
Sunday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Sunday at about 0 to 10 mph SSE.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Apr 15, 2026 11:08 AM PDT
- Coverage
- 4 days
- Time zone
- America/Los_Angeles
- Forecast office
- LOX
- 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 52.
Sunny, with a high near 77.
Partly cloudy, with a low around 53.
A slight chance of rain between 11am and 5pm. Mostly sunny, with a high near 74.
Partly cloudy, with a low around 53.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Mostly Sunny
|
82°F |
0 to 10 mph
SSE
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
52°F |
0 to 10 mph
S
|
|
Monday
Apr 20
|
Sunny
|
77°F |
0 to 10 mph
S
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
53°F |
0 to 10 mph
SSW
|
|
Tuesday
Apr 21
|
Slight Chance Light Rain
|
74°F |
0 to 10 mph
SSW
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
53°F |
0 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Marino.
