Rossmoor, CA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Rossmoor, CA in one place.
Mostly sunny, with a high near 88. South wind 0 to 10 mph.
Local Weather Overview
This forecast page for Rossmoor, 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 17, 2026 8:58 AM PDT.
The active forecast window currently covers Oct 17 to Oct 23, 2026 for Rossmoor, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 17 to Oct 23, 2026
- Latest sync
- Oct 17, 2026 8:58 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Rossmoor
Today looks like the warmest upcoming period in Rossmoor at 88 degrees F.
Thursday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Wednesday at about 5 to 15 mph S.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 17, 2026 8:58 AM PDT
- Coverage
- 8 days
- Time zone
- America/Los_Angeles
- Forecast office
- SGX
- 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 68. Northwest wind 0 to 5 mph.
Sunny, with a high near 83. West wind 0 to 10 mph, with gusts as high as 20 mph.
Patchy fog after 11pm. Mostly clear, with a low around 66. Southwest wind 0 to 10 mph.
Patchy fog before 11am. Sunny, with a high near 77. South wind 0 to 10 mph, with gusts as high as 20 mph.
Patchy fog after 11pm. Partly cloudy, with a low around 63.
Patchy fog before 11am. Mostly sunny, with a high near 70.
Rain showers likely after 11pm. Partly cloudy, with a low around 60.
Rain showers likely before 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 68.
Showers and thunderstorms likely. Mostly cloudy, with a low around 58.
A chance of rain showers before 11am. Mostly sunny, with a high near 67.
Mostly clear, with a low around 57.
Sunny, with a high near 69.
Mostly clear, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 17
|
Mostly Sunny
|
88°F |
0 to 10 mph
S
|
|
Tonight
Oct 17
|
Mostly Clear
|
68°F |
0 to 5 mph
NW
|
|
Sunday
Oct 18
|
Sunny
|
83°F |
0 to 10 mph
W
|
|
Sunday Night
Oct 18
|
Patchy Fog
|
66°F |
0 to 10 mph
SW
|
|
Monday
Oct 19
|
Patchy Fog then Sunny
|
77°F |
0 to 10 mph
S
|
|
Monday Night
Oct 19
|
Patchy Fog
|
63°F |
5 to 10 mph
SW
|
|
Tuesday
Oct 20
|
Patchy Fog then Mostly Sunny
|
70°F |
5 to 10 mph
SW
|
|
Tuesday Night
Oct 20
|
Rain Showers Likely
|
60°F |
5 to 10 mph
SW
|
|
Wednesday
Oct 21
|
Showers And Thunderstorms Likely
|
68°F |
5 to 15 mph
S
|
|
Wednesday Night
Oct 21
|
Showers And Thunderstorms Likely
|
58°F |
5 to 15 mph
SE
|
|
Thursday
Oct 22
|
Chance Rain Showers then Mostly Sunny
|
67°F |
5 to 10 mph
S
|
|
Thursday Night
Oct 22
|
Mostly Clear
|
57°F |
5 to 10 mph
SW
|
|
Friday
Oct 23
|
Sunny
|
69°F |
0 to 5 mph
S
|
|
Friday Night
Oct 23
|
Mostly Clear
|
58°F |
5 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rossmoor.