Rancho San Diego, CA Weather Forecast
Local 7-day forecast
Patchy Fog then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Rancho San Diego, CA in one place.
Patchy fog before 11am. Mostly sunny, with a high near 77. Southwest wind 0 to 10 mph, with gusts as high as 20 mph.
Local Weather Overview
This forecast page for Rancho San Diego, 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 19, 2026 12:41 AM PDT.
The active forecast window currently covers Apr 19 to Apr 25, 2026 for Rancho San Diego, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 19 to Apr 25, 2026
- Latest sync
- Apr 19, 2026 12:41 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Rancho San Diego
Sunday looks like the warmest upcoming period in Rancho San Diego at 77 degrees F.
Sunday Night is the coolest period ahead with temperatures near 51 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 15 mph W.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 19, 2026 12:41 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- SGX
- Radar station
- KNKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Patchy fog after 11pm. Partly cloudy, with a low around 51. West wind 0 to 10 mph.
Patchy fog before 11am. Mostly sunny, with a high near 75. Northwest wind 0 to 10 mph, with gusts as high as 20 mph.
Patchy fog between 11pm and 5am. Partly cloudy, with a low around 51. Northwest wind 0 to 10 mph.
A chance of rain showers after 5pm. Mostly sunny, with a high near 74. Chance of precipitation is 40%.
A chance of rain showers before 5am. Mostly cloudy, with a low around 55.
Partly sunny, with a high near 69.
Partly cloudy, with a low around 51.
Mostly sunny, with a high near 73.
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 71.
Partly cloudy, with a low around 53.
Mostly sunny, with a high near 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Apr 19
|
Patchy Fog then Mostly Sunny
|
77°F |
0 to 10 mph
SW
|
|
Sunday Night
Apr 19
|
Patchy Fog
|
51°F |
0 to 10 mph
W
|
|
Monday
Apr 20
|
Patchy Fog then Mostly Sunny
|
75°F |
0 to 10 mph
NW
|
|
Monday Night
Apr 20
|
Patchy Fog
|
51°F |
0 to 10 mph
NW
|
|
Tuesday
Apr 21
|
Mostly Sunny then Chance Rain Showers
|
74°F |
0 to 10 mph
W
|
|
Tuesday Night
Apr 21
|
Chance Rain Showers
|
55°F |
5 to 10 mph
W
|
|
Wednesday
Apr 22
|
Partly Sunny
|
69°F |
5 to 15 mph
W
|
|
Wednesday Night
Apr 22
|
Partly Cloudy
|
51°F |
0 to 15 mph
NW
|
|
Thursday
Apr 23
|
Mostly Sunny
|
73°F |
0 to 10 mph
SW
|
|
Thursday Night
Apr 23
|
Partly Cloudy
|
52°F |
0 to 10 mph
SW
|
|
Friday
Apr 24
|
Mostly Sunny
|
71°F |
0 to 10 mph
SW
|
|
Friday Night
Apr 24
|
Partly Cloudy
|
53°F |
0 to 10 mph
SW
|
|
Saturday
Apr 25
|
Mostly Sunny
|
73°F |
0 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rancho San Diego.