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 76.
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: Apr 15, 2026 8:57 AM PDT.
The active forecast window currently covers Apr 18 to Apr 21, 2026 for Rossmoor, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 18 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 8:57 AM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Rossmoor
Saturday looks like the warmest upcoming period in Rossmoor at 76 degrees F.
Sunday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Monday at about 5 to 15 mph W.
The forecast from Apr 18 through Apr 21 stays mostly dry.
Forecast Details
- Last updated
- Apr 15, 2026 8:57 AM PDT
- Coverage
- 5 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 cloudy, with a low around 56.
Mostly sunny, with a high near 73.
Mostly clear, with a low around 55.
Mostly sunny, with a high near 70.
Partly cloudy, with a low around 56.
Mostly sunny, with a high near 69.
Partly cloudy, with a low around 55.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 18
|
Mostly Sunny
|
76°F |
5 to 10 mph
SW
|
|
Saturday Night
Apr 18
|
Mostly Cloudy
|
56°F |
0 to 10 mph
W
|
|
Sunday
Apr 19
|
Mostly Sunny
|
73°F |
0 to 10 mph
SW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
55°F |
5 to 10 mph
W
|
|
Monday
Apr 20
|
Mostly Sunny
|
70°F |
5 to 15 mph
W
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
56°F |
5 to 15 mph
W
|
|
Tuesday
Apr 21
|
Mostly Sunny
|
69°F |
5 to 10 mph
W
|
|
Tuesday Night
Apr 21
|
Partly Cloudy
|
55°F |
5 to 10 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rossmoor.