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Alta Loma, CA Weather Forecast
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Alta Loma Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  | | |  |  | | | | | | |
| Mostly Clear | Mostly Sunny | Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Partly Cloudy |
| Lo: 68°FLo: 20°C | Hi: 100°FHi: 38°C | Lo: 69°FLo: 21°C | Hi: 101°FHi: 38°C | Lo: 69°FLo: 21°C | Hi: 97°FHi: 36°C | Lo: 66°FLo: 19°C | Hi: 95°FHi: 35°C | Lo: 65°FLo: 18°C | Hi: 93°FHi: 34°C | Lo: 63°FLo: 17°C | Hi: 90°FHi: 32°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 117 PM PDT Fri Aug 07 2026 
Alta Loma Radar Loop
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