Antonio, CA Weather Forecast
Local 7-day forecast
Patchy Fog then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Antonio, CA in one place.
Patchy fog before 11am. Mostly cloudy, with a high near 71. Northwest wind 5 to 15 mph.
Local Weather Overview
This forecast page for Antonio, 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 14, 2026 5:46 PM PDT.
The active forecast window currently covers Sep 15 to Sep 20, 2026 for Antonio, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 5:46 PM PDT
- Forecast office
- LOX
- Source
- NOAA / NWS
Daily Outlook
This Week in Antonio
Tuesday looks like the warmest upcoming period in Antonio at 71 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 53 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 15 mph NW.
The forecast from Sep 15 through Sep 20 stays mostly dry.
Forecast Details
- Last updated
- Sep 14, 2026 5:46 PM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- LOX
- Radar station
- KVBX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Patchy fog after 11pm. Mostly cloudy, with a low around 53. North northwest wind 5 to 10 mph.
Patchy fog before 11am. Partly sunny, with a high near 70. Northwest wind 5 to 10 mph.
Patchy fog after 11pm. Mostly cloudy, with a low around 53.
Patchy fog before 11am. Mostly sunny, with a high near 69.
Partly cloudy, with a low around 54.
Mostly sunny, with a high near 69.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 70.
Mostly cloudy, with a low around 55.
Partly sunny, with a high near 68.
Mostly cloudy, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Patchy Fog then Mostly Cloudy
|
71°F |
5 to 15 mph
NW
|
|
Tuesday Night
Sep 15
|
Patchy Fog
|
53°F |
5 to 10 mph
NNW
|
|
Wednesday
Sep 16
|
Patchy Fog then Partly Sunny
|
70°F |
5 to 10 mph
NW
|
|
Wednesday Night
Sep 16
|
Patchy Fog
|
53°F |
5 to 10 mph
NNW
|
|
Thursday
Sep 17
|
Patchy Fog then Mostly Sunny
|
69°F |
5 to 15 mph
NW
|
|
Thursday Night
Sep 17
|
Partly Cloudy
|
54°F |
5 to 15 mph
NW
|
|
Friday
Sep 18
|
Mostly Sunny
|
69°F |
5 to 15 mph
NW
|
|
Friday Night
Sep 18
|
Partly Cloudy
|
55°F |
5 to 15 mph
NW
|
|
Saturday
Sep 19
|
Mostly Sunny
|
70°F |
5 to 15 mph
NW
|
|
Saturday Night
Sep 19
|
Mostly Cloudy
|
55°F |
5 to 15 mph
NW
|
|
Sunday
Sep 20
|
Partly Sunny
|
68°F |
5 to 10 mph
NW
|
|
Sunday Night
Sep 20
|
Mostly Cloudy
|
55°F |
5 to 10 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Antonio.