San Marino, CA Weather Forecast
Local 7-day forecast
Clear
Track current conditions, temperature changes, wind, and the full daily outlook for San Marino, CA in one place.
Clear, with a low around 65. East northeast wind around 5 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: Oct 19, 2026 4:07 AM PDT.
The active forecast window currently covers Oct 19 to Oct 25, 2026 for San Marino, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 19 to Oct 25, 2026
- Latest sync
- Oct 19, 2026 4:07 AM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in San Marino
Monday looks like the warmest upcoming period in San Marino at 86 degrees F.
Thursday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Saturday Night at about 5 to 15 mph N.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 19, 2026 4:07 AM PDT
- Coverage
- 7 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
Sunny, with a high near 86. South southeast wind 5 to 10 mph.
Mostly clear, with a low around 59. South southeast wind around 5 mph.
Sunny, with a high near 80. South southeast wind 5 to 10 mph.
A chance of rain showers after 5am. Partly cloudy, with a low around 59. South southeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Rain showers likely before 5pm, then showers and thunderstorms. Mostly cloudy, with a high near 75. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a low around 55.
Rain showers likely. Partly sunny, with a high near 70.
A slight chance of rain showers before 11pm. Mostly clear, with a low around 52.
Sunny, with a high near 74.
Clear, with a low around 54.
Sunny, with a high near 79.
Mostly clear, with a low around 56.
Sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 19
|
Clear
|
65°F |
5 mph
ENE
|
|
Monday
Oct 19
|
Sunny
|
86°F |
5 to 10 mph
SSE
|
|
Monday Night
Oct 19
|
Mostly Clear
|
59°F |
5 mph
SSE
|
|
Tuesday
Oct 20
|
Sunny
|
80°F |
5 to 10 mph
SSE
|
|
Tuesday Night
Oct 20
|
Partly Cloudy then Chance Rain Showers
|
59°F |
5 mph
SSE
|
|
Wednesday
Oct 21
|
Showers And Thunderstorms
|
75°F |
5 mph
SSE
|
|
Wednesday Night
Oct 21
|
Showers And Thunderstorms
|
55°F |
0 to 10 mph
SSE
|
|
Thursday
Oct 22
|
Rain Showers Likely
|
70°F |
0 to 5 mph
S
|
|
Thursday Night
Oct 22
|
Slight Chance Rain Showers then Mostly Clear
|
52°F |
0 to 10 mph
SSW
|
|
Friday
Oct 23
|
Sunny
|
74°F |
0 to 5 mph
SSW
|
|
Friday Night
Oct 23
|
Clear
|
54°F |
0 to 10 mph
NW
|
|
Saturday
Oct 24
|
Sunny
|
79°F |
0 to 5 mph
SW
|
|
Saturday Night
Oct 24
|
Mostly Clear
|
56°F |
5 to 15 mph
N
|
|
Sunday
Oct 25
|
Sunny
|
79°F |
0 to 5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around San Marino.
