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Alta Loma Weather Warning NWS WEATHER ALERT FOR THE ALTA LOMA, CA AREA - SHORTTERM FORECAST Issued: 1228 AM PDT Thu Aug 6 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 - Mostly Clear. Temperature is 76°F24°C, dew point 64°F18°C, humidity 66%. Wind direction is N at 0 mph0 km/h with visibility of 10 mi16 km. Barometric pressure is 29.97 in1015 mb.
Today - Mostly sunny. Highs 94 to 101. Light winds becoming southwest 10 to 15 mph with gusts to 25 mph this afternoon... Full Forecast
Tonight - Mostly clear. Lows 64 to 69. 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
Thu, Aug 06
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Alta Loma, CA Hourly Weather - Mostly Cloudy - 9:00 AM Alta Loma, CA Hourly Weather - Partly Cloudy - 10:00 AM Alta Loma, CA Hourly Weather - Partly Cloudy - 11:00 AM Alta Loma, CA Hourly Weather - Partly Cloudy - 12:00 PM Alta Loma, CA Hourly Weather - Partly Cloudy - 1:00 PM Alta Loma, CA Hourly Weather - Partly Cloudy - 2:00 PM Alta Loma, CA Hourly Weather - Partly Cloudy - 3:00 PM Alta Loma, CA Hourly Weather - Mostly Cloudy - 4:00 PM Alta Loma, CA Hourly Weather - Mostly Cloudy - 5:00 PM Alta Loma, CA Hourly Weather - Mostly 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 - Mostly Clear - 10:00 PM Alta Loma, CA Hourly Weather - Mostly Clear - 11:00 PM Alta Loma, CA Hourly Weather - Mostly Clear - 12:00 AM Alta Loma, CA Hourly Weather - Clear - 1:00 AM 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
Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Cloudy Mostly Cloudy Mostly Cloudy Partly Cloudy Partly Cloudy Partly Cloudy Mostly Clear Mostly Clear Mostly Clear Clear Clear Clear Mostly Clear Mostly Clear Mostly Clear Partly Cloudy Partly Cloudy
74°F23°C 78°F26°C 82°F28°C 86°F30°C 90°F32°C 94°F34°C 94°F34°C 94°F34°C 94°F34°C 90°F32°C 85°F29°C 81°F27°C 79°F26°C 76°F24°C 74°F23°C 73°F23°C 72°F22°C 71°F22°C 71°F22°C 70°F21°C 70°F21°C 71°F22°C 72°F22°C 73°F23°C
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0% 0% 0% 3% 3% 3% 3% 3% 3% 1% 1% 1% 1% 1% 1% 0% 0% 0% 0% 0% 0% 0% 0% 0%
63°F17°C 63°F17°C 62°F17°C 61°F16°C 59°F15°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 58°F14°C 59°F15°C 59°F15°C 58°F14°C 58°F14°C 57°F14°C 58°F14°C 58°F14°C 59°F15°C 59°F15°C 59°F15°C 59°F15°C 60°F16°C 61°F16°C 62°F17°C
69% 60% 51% 43% 35% 30% 30% 30% 30% 34% 42% 47% 49% 54% 55% 59% 61% 66% 66% 68% 68% 68% 68% 68%
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1 mph 3 mph 3 mph 3 mph 10 mph 10 mph 10 mph 16 mph 16 mph 16 mph 10 mph 10 mph 10 mph 7 mph 7 mph 7 mph 5 mph 5 mph 5 mph 2 mph 2 mph 2 mph 1 mph 1 mph
10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km 10 mi16 km
Hour (PDT)
Weather
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POP
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.

Alta Loma 36 Hour Forecast

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

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