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Alta Loma Weather Warning NWS WEATHER ALERT FOR THE ALTA LOMA, CA AREA - Issued: 935 PM PDT Tue Aug 4 2026 Alta Loma Weather Warning

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Alta Loma, CA Weather - Hour by Hour Forecast

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Alta Loma, CA Weather - Hour by Hour Forecast

24 Hour Forecast

Current Conditions - Clear. Temperature is 69°F21°C, dew point 62°F17°C, humidity 78%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 29.9 in1013 mb.
Today - Mostly sunny. Highs 93 to 101. Areas of winds west to 10 mph...Becoming 10 to 15 mph with gusts to 25 mph this afternoon... Full Forecast
Tonight - Mostly clear. Lows 63 to 68. Areas of winds west 10 to 15 mph with gusts to 25 mph in the evening becoming light... Full Forecast

Alta Loma Hourly Weather

24 Hour Forecast Scroll
Wed, Aug 05
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Midnight
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Alta Loma, CA Hourly Weather - Clear - 2:00 AM Alta Loma, CA Hourly Weather - Clear - 3:00 AM Alta Loma, CA Hourly Weather - Mostly Clear - 4:00 AM Alta Loma, CA Hourly Weather - Mostly Clear - 5:00 AM Alta Loma, CA Hourly Weather - Mostly Clear - 6:00 AM Alta Loma, CA Hourly Weather - Partly Cloudy - 7:00 AM Alta Loma, CA Hourly Weather - Partly Cloudy - 8:00 AM Alta Loma, CA Hourly Weather - Partly Cloudy - 9:00 AM Alta Loma, CA Hourly Weather - Clear - 10:00 AM Alta Loma, CA Hourly Weather - Clear - 11:00 AM Alta Loma, CA Hourly Weather - Clear - 12:00 PM Alta Loma, CA Hourly Weather - Mostly Clear - 1:00 PM Alta Loma, CA Hourly Weather - Mostly Clear - 2:00 PM Alta Loma, CA Hourly Weather - Mostly Clear - 3:00 PM Alta Loma, CA Hourly Weather - Partly Cloudy - 4:00 PM Alta Loma, CA Hourly Weather - Partly Cloudy - 5:00 PM Alta Loma, CA Hourly Weather - Partly Cloudy - 6:00 PM Alta Loma, CA Hourly Weather - Partly Cloudy - 7:00 PM Alta Loma, CA Hourly Weather - Partly Cloudy - 8:00 PM Alta Loma, CA Hourly Weather - Partly Cloudy - 9:00 PM Alta Loma, CA Hourly Weather - Clear - 10:00 PM Alta Loma, CA Hourly Weather - Clear - 11:00 PM Alta Loma, CA Hourly Weather - Clear - 12:00 AM Alta Loma, CA Hourly Weather - Clear - 1:00 AM
Clear Clear Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Clear Clear Clear Clear
67°F19°C 66°F19°C 66°F19°C 65°F18°C 66°F19°C 67°F19°C 68°F20°C 72°F22°C 75°F24°C 79°F26°C 84°F29°C 88°F31°C 93°F34°C 93°F34°C 93°F34°C 93°F34°C 88°F31°C 84°F29°C 79°F26°C 77°F25°C 74°F23°C 72°F22°C 71°F22°C 70°F21°C
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0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0%
61°F16°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 61°F16°C 60°F16°C 58°F14°C 57°F14°C 57°F14°C 58°F14°C 58°F14°C 59°F15°C 59°F15°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 60°F16°C 61°F16°C
81% 84% 84% 87% 84% 81% 78% 68% 62% 54% 44% 36% 30% 30% 31% 31% 38% 43% 52% 56% 62% 66% 68% 73%
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Hour (PDT)
Weather
Clouds
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Dewpoint
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POP = Probability of Precipitation. ** Indicates missing data/values from KONT model statistics.

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Prob Precip % = Probability of Precipitation.

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POP = Probability of Precipitation. ** Indicates missing data/values from model statistics.

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