Alta Loma, CA Weather Forecast and Current Conditions

WEATHER ALERTS - Air Quality Alert

Current Conditions From Nearby Local Station

Hazy 58°F
Feels Like 58°F  
Humidity 66% Dew Point 47°F Wind Calm Barometer 30 in.
Report from a MADIS/MESONET weather station 0.7 mi. W of central Alta Loma
at

Point Forecast at a Glance

WedDec 17
Wed Dec 17: Mostly Clear, Low 58F
 
58
ThuDec 18
Thu Dec 18: Sunny, High 82F, Low 59F
82
59
FriDec 19
Fri Dec 19: Sunny, High 77F, Low 55F
77
55
SatDec 20
Sat Dec 20: Mostly Sunny, High 74F, Low 55F
74
55
SunDec 21
Sun Dec 21: Partly Sunny, High 73F, Low 54F
73
54
MonDec 22
Mon Dec 22: Partly Sunny, High 72F, Low 53F
72
53
TueDec 23
Tue Dec 23: Showers, High 67F, Low 54F
50%
67
54

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Cooling trend continues with high temperatures dropping from 82°F to 67°F. Mostly dry conditions with only one day showing rain chances.

Climate Context

This week's forecast shows temperatures running 10°F above the historical average for December. Normal highs for this period are around 63°F with lows around 40°F.

This Date in Weather History

1929 - An icestorm in western New York State resulted in much damage and hardship. A Buffalo report stated, "one was kept awake by the breaking limbs, which snapped off with a report much louder than a rifle shot."

More on this and other weather history

Alta Loma, CA 7 Day Weather Forecast Details

Wednesday Dec 17

Mostly Clear

Night: Mostly clear, with a low around 58. East wind around 5 mph becoming calm after midnight.

Thursday Dec 18

Sunny

Day: Sunny, with a high near 82. Calm wind becoming southwest around 5 mph.

Mostly Clear

Night: Mostly clear, with a low around 59. North wind around 5 mph becoming calm.

Friday Dec 19

Sunny

Day: Sunny, with a high near 77. Calm wind becoming southwest around 5 mph in the afternoon.

Mostly Clear

Night: Mostly clear, with a low around 55. Calm wind.

Saturday Dec 20

Mostly Sunny

Day: Mostly sunny, with a high near 74.

Partly Cloudy

Night: Partly cloudy, with a low around 55.

Sunday Dec 21

Partly Sunny

Day: Partly sunny, with a high near 73.

Partly Cloudy

Night: Partly cloudy, with a low around 54.

Monday Dec 22

Partly Sunny

Day: Partly sunny, with a high near 72.

Mostly Cloudy

Night: Mostly cloudy, with a low around 53.

Tuesday Dec 23

Showers

Day: A slight chance of showers. Partly sunny, with a high near 67.

Showers

Night: A chance of showers. Mostly cloudy, with a low around 54.

Wednesday Dec 24

Showers

Day: Showers. Mostly cloudy, with a high near 63.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.