San Marino, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for San Marino, CA in one place.
Sunny, with a high near 88. South southwest wind 0 to 10 mph.
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: Jul 17, 2026 7:39 AM PDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for San Marino, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 7:39 AM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in San Marino
Wednesday looks like the warmest upcoming period in San Marino at 93 degrees F.
Sunday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Saturday at about 0 to 10 mph SSW.
The forecast from Jul 18 through Jul 23 stays mostly dry.
Forecast Details
- Last updated
- Jul 17, 2026 7:39 AM PDT
- Coverage
- 6 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
Partly cloudy, with a low around 66. South southwest wind 0 to 10 mph.
Mostly sunny, with a high near 89.
Partly cloudy, with a low around 65.
Mostly sunny, with a high near 88.
Mostly clear, with a low around 66.
Sunny, with a high near 90.
Mostly clear, with a low around 67.
Sunny, with a high near 93.
Partly cloudy, with a low around 68.
Mostly sunny, with a high near 92.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Sunny
|
88°F |
0 to 10 mph
SSW
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
66°F |
0 to 10 mph
SSW
|
|
Sunday
Jul 19
|
Mostly Sunny
|
89°F |
0 to 10 mph
SSW
|
|
Sunday Night
Jul 19
|
Partly Cloudy
|
65°F |
0 to 10 mph
S
|
|
Monday
Jul 20
|
Mostly Sunny
|
88°F |
0 to 10 mph
SSW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
66°F |
0 to 10 mph
S
|
|
Tuesday
Jul 21
|
Sunny
|
90°F |
0 to 10 mph
SSW
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
67°F |
0 to 10 mph
S
|
|
Wednesday
Jul 22
|
Sunny
|
93°F |
0 to 5 mph
SSW
|
|
Wednesday Night
Jul 22
|
Partly Cloudy
|
68°F |
0 to 5 mph
S
|
|
Thursday
Jul 23
|
Mostly Sunny
|
92°F |
0 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Marino.
