Grand Terrace, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grand Terrace, CA in one place.
Sunny, with a high near 86. Southwest wind 0 to 10 mph, with gusts as high as 20 mph.
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: Jun 1, 2026 2:50 PM PDT.
The active forecast window currently covers Jun 3 to Jun 7, 2026 for Grand Terrace, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 3 to Jun 7, 2026
- Latest sync
- Jun 1, 2026 2:50 PM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Terrace
Thursday looks like the warmest upcoming period in Grand Terrace at 87 degrees F.
Saturday Night is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Thursday at about 0 to 15 mph W.
The forecast from Jun 3 through Jun 7 stays mostly dry.
Forecast Details
- Last updated
- Jun 1, 2026 2:50 PM 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 sourceExtended Forecast
Mostly clear, with a low around 60.
Sunny, with a high near 87.
Clear, with a low around 60.
Sunny, with a high near 85.
Mostly clear, with a low around 58.
Mostly sunny, with a high near 83.
Mostly clear, with a low around 57.
Sunny, with a high near 80.
Mostly clear, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 3
|
Sunny
|
86°F |
0 to 10 mph
SW
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
60°F |
0 to 10 mph
W
|
|
Thursday
Jun 4
|
Sunny
|
87°F |
0 to 15 mph
W
|
|
Thursday Night
Jun 4
|
Clear
|
60°F |
0 to 15 mph
W
|
|
Friday
Jun 5
|
Sunny
|
85°F |
0 to 15 mph
W
|
|
Friday Night
Jun 5
|
Mostly Clear
|
58°F |
0 to 15 mph
W
|
|
Saturday
Jun 6
|
Mostly Sunny
|
83°F |
0 to 15 mph
W
|
|
Saturday Night
Jun 6
|
Mostly Clear
|
57°F |
0 to 15 mph
SW
|
|
Sunday
Jun 7
|
Sunny
|
80°F |
0 to 10 mph
SW
|
|
Sunday Night
Jun 7
|
Mostly Clear
|
57°F |
0 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Terrace.
