Weather for Alta Loma, CAAlta Loma, CA Weather & Current Conditions

91701 Weather (Alta Loma, CA)

Alta Loma, CA WeatherCurrent Conditions and Weather for Alta Loma, California
Feedback E-mail the Weather

Quick Weather Clicks

Weather World

Current Conditions

Settings
Mostly Clear at Alta Loma (91701), temperature is 83°F28°C, dew point 47°F8°C, humidity 28%. Wind direction is WSW at 7 mphat 11 km/h with visibility of 10 mi16 km. Barometric pressure is 29.86 in1011 mb. Last update: 2:08 pm.*
*Time is approximately 2:08 pm Tue, Oct 20, 2026. Time will be within 15 minutes of current local time. Alta Loma weather forecast data is updated every 15 minutes.

Weather Quote O' the Day

ǝɔuǝɹʍɐ˥ ʎnפ— ¡uoos ǝɹǝɥ ɟo ʇno ɟlǝsʇı sʍolq ɯɹoʇs sıɥʇ ǝdoɥ I
Add a Weather Quote―
Alta Loma CA Weather - 5:08 pm

Alta Loma Weather Forecast

Weather forecast for: 2 Miles W Rancho Cucamonga CA
Last Update: 11:44 am PDT Oct 20, 2026
This Afternoon: Sunny, with a high near 81. Southwest wind 5 to 10 mph.
Tonight: Mostly clear, with a low around 60. West wind around 5 mph becoming calm after midnight.
Wednesday: A chance of showers after 11am. Increasing clouds, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night: Showers likely, then showers and possibly a thunderstorm after 11pm. Some of the storms could produce heavy rainfall. Low around 61. West wind around 5 mph becoming calm after midnight. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday: Showers and possibly a thunderstorm. High near 66. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night: A chance of showers before 11pm. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Friday: Mostly sunny, with a high near 71.
Friday Night: Clear, with a low around 54.
Saturday: Sunny, with a high near 76.
Saturday Night: Clear, with a low around 56.
Sunday: Sunny, with a high near 77.
Sunday Night: Partly cloudy, with a low around 57.
Monday: Sunny, with a high near 79.

Trending Headlines

Alta Loma Radar Loop

Alta Loma Quick Facts

National Two Day Weather Forecast


E-mail the Alta Loma Weather Forecast

Voice your opinion or tell us about page issues...