Rialto, CA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Rialto, CA in one place.
Sunny, with a high near 101. Southwest wind 0 to 15 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Rialto, 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 14, 2026 6:17 PM PDT.
The active forecast window currently covers Jul 16 to Jul 20, 2026 for Rialto, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 6:17 PM PDT
- Forecast office
- SGX
- Source
- NOAA / NWS
Daily Outlook
This Week in Rialto
Thursday looks like the warmest upcoming period in Rialto at 101 degrees F.
Friday Night is the coolest period ahead with temperatures near 66 degrees F.
The strongest winds are forecast for Thursday at about 0 to 15 mph SW.
The forecast from Jul 16 through Jul 20 stays mostly dry.
Forecast Details
- Last updated
- Jul 14, 2026 6:17 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 68.
Sunny, with a high near 95.
Mostly clear, with a low around 66.
Sunny, with a high near 92.
Mostly clear, with a low around 66.
Sunny, with a high near 93.
Mostly clear, with a low around 66.
Sunny, with a high near 93.
Mostly clear, with a low around 67.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Sunny
|
101°F |
0 to 15 mph
SW
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
68°F |
0 to 10 mph
SW
|
|
Friday
Jul 17
|
Sunny
|
95°F |
0 to 10 mph
SW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
66°F |
0 to 10 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
92°F |
0 to 10 mph
SW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
66°F |
0 to 10 mph
SW
|
|
Sunday
Jul 19
|
Sunny
|
93°F |
0 to 10 mph
SW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
66°F |
0 to 10 mph
SW
|
|
Monday
Jul 20
|
Sunny
|
93°F |
0 to 10 mph
SW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
67°F |
0 to 10 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rialto.
