Rossmoor, CA Weather Forecast

Local 7-day forecast

77°
F

Patchy Fog then Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Rossmoor, CA in one place.

Saturday, July 18, 2026
Wind: 5 to 10 mph S
Saturday

Patchy fog before 11am. Mostly sunny, with a high near 77. South wind 5 to 10 mph.

Local 7-day forecast

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: Jul 17, 2026 7:06 AM PDT.

The active forecast window currently covers Jul 18 to Jul 23, 2026 for Rossmoor, CA.

Page Snapshot

Page focus
city weather
Forecast window
Jul 18 to Jul 23, 2026
Latest sync
Jul 17, 2026 7:06 AM PDT
Forecast office
SGX
Source
NOAA / NWS
Next High
77°F
Saturday
Next Low
66°F
Saturday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
0 to 15 mph
Tuesday

Daily Outlook

Today
Jul 18
Patchy Fog then Mostly Sunny
77 °F
/ 66°F
Wind 5 to 10 mph
Sun
Jul 19
Patchy Fog then Mostly Sunny
77 °F
/ 67°F
Wind 0 to 10 mph
Mon
Jul 20
Patchy Fog then Mostly Sunny
78 °F
/ 69°F
Wind 0 to 10 mph
Tue
Jul 21
Mostly Sunny
79 °F
/ 69°F
Wind 0 to 15 mph
Wed
Jul 22
Mostly Sunny
81 °F
/ 70°F
Wind 5 to 10 mph
Thu
Jul 23
Mostly Sunny
80 °F
Wind 0 to 10 mph

This Week in Rossmoor

Wednesday looks like the warmest upcoming period in Rossmoor at 81 degrees F.

Saturday Night is the coolest period ahead with temperatures near 66 degrees F.

The strongest winds are forecast for Tuesday at about 0 to 15 mph SW.

The forecast from Jul 18 through Jul 23 stays mostly dry.

Forecast Details

Last updated
Jul 17, 2026 7:06 AM PDT
Coverage
6 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 source

Extended Forecast

Saturday Night
Jul 18
66°F
Patchy Fog
0 to 10 mph S

Patchy fog after 11pm. Partly cloudy, with a low around 66. South wind 0 to 10 mph.

Sunday
Jul 19
77°F
Patchy Fog then Mostly Sunny
0 to 10 mph SW

Patchy fog before 11am. Mostly sunny, with a high near 77.

Sunday Night
Jul 19
67°F
Patchy Fog
0 to 10 mph SW

Patchy fog after 11pm. Partly cloudy, with a low around 67.

Monday
Jul 20
78°F
Patchy Fog then Mostly Sunny
0 to 10 mph S

Patchy fog before 11am. Mostly sunny, with a high near 78.

Monday Night
Jul 20
69°F
Partly Cloudy
0 to 10 mph SW

Partly cloudy, with a low around 69.

Tuesday
Jul 21
79°F
Mostly Sunny
0 to 15 mph SW

Mostly sunny, with a high near 79.

Tuesday Night
Jul 21
69°F
Partly Cloudy
5 to 15 mph SW

Partly cloudy, with a low around 69.

Wednesday
Jul 22
81°F
Mostly Sunny
5 to 10 mph SW

Mostly sunny, with a high near 81.

Wednesday Night
Jul 22
70°F
Partly Cloudy
0 to 10 mph S

Partly cloudy, with a low around 70.

Thursday
Jul 23
80°F
Mostly Sunny
0 to 10 mph S

Mostly sunny, with a high near 80.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Jul 18
Patchy Fog then Mostly Sunny
77°F
5 to 10 mph
S
Saturday Night
Jul 18
Patchy Fog
66°F
0 to 10 mph
S
Sunday
Jul 19
Patchy Fog then Mostly Sunny
77°F
0 to 10 mph
SW
Sunday Night
Jul 19
Patchy Fog
67°F
0 to 10 mph
SW
Monday
Jul 20
Patchy Fog then Mostly Sunny
78°F
0 to 10 mph
S
Monday Night
Jul 20
Partly Cloudy
69°F
0 to 10 mph
SW
Tuesday
Jul 21
Mostly Sunny
79°F
0 to 15 mph
SW
Tuesday Night
Jul 21
Partly Cloudy
69°F
5 to 15 mph
SW
Wednesday
Jul 22
Mostly Sunny
81°F
5 to 10 mph
SW
Wednesday Night
Jul 22
Partly Cloudy
70°F
0 to 10 mph
S
Thursday
Jul 23
Mostly Sunny
80°F
0 to 10 mph
S
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.