Grand Terrace, CA Weather Forecast

Local 7-day forecast

82°
F

Sunny

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

Sunday, April 19, 2026
Wind: 0 to 15 mph SW
Sunday

Sunny, with a high near 82.

Local 7-day forecast

Local Weather Overview

This forecast page for Grand Terrace, 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 1:08 AM PDT.

The active forecast window currently covers Apr 19 to Apr 21, 2026 for Grand Terrace, CA.

Page Snapshot

Page focus
city weather
Forecast window
Apr 19 to Apr 21, 2026
Latest sync
Apr 15, 2026 1:08 AM PDT
Forecast office
SGX
Source
NOAA / NWS
Next High
82°F
Sunday
Next Low
53°F
Sunday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
0 to 15 mph
Sunday

Daily Outlook

Today
Apr 19
Sunny
82 °F
/ 53°F
Wind 0 to 15 mph
Mon
Apr 20
Sunny
76 °F
/ 51°F
Wind 0 to 15 mph
Tue
Apr 21
Mostly Sunny
70 °F
Wind 0 to 15 mph

This Week in Grand Terrace

Sunday looks like the warmest upcoming period in Grand Terrace at 82 degrees F.

Monday Night is the coolest period ahead with temperatures near 51 degrees F.

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

The forecast from Apr 19 through Apr 21 stays mostly dry.

Forecast Details

Last updated
Apr 15, 2026 1:08 AM PDT
Coverage
3 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

Sunday Night
Apr 19
53°F
Mostly Clear
0 to 15 mph S

Mostly clear, with a low around 53.

Monday
Apr 20
76°F
Sunny
0 to 15 mph SW

Sunny, with a high near 76.

Monday Night
Apr 20
51°F
Partly Cloudy
0 to 15 mph SW

Partly cloudy, with a low around 51.

Tuesday
Apr 21
70°F
Mostly Sunny
0 to 15 mph SW

Mostly sunny, with a high near 70.

Detailed Forecast

Period Conditions Temp Wind
Sunday
Apr 19
Sunny
82°F
0 to 15 mph
SW
Sunday Night
Apr 19
Mostly Clear
53°F
0 to 15 mph
S
Monday
Apr 20
Sunny
76°F
0 to 15 mph
SW
Monday Night
Apr 20
Partly Cloudy
51°F
0 to 15 mph
SW
Tuesday
Apr 21
Mostly Sunny
70°F
0 to 15 mph
SW
I-215 northbound at Grand Terrace  CA city limits '2006' 'crop'
I-215 northbound at Grand Terrace CA city limits '2006' 'crop' image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.