What is today's weather forecast for San Dimas, CA?

Today's forecast for San Dimas shows a low of 56 degrees Fahrenheit. Showers and possibly a thunderstorm.

What is the 7-day weather forecast for San Dimas, CA?

The 7-day forecast for San Dimas shows highs from 53 to 61 degrees and lows from 46 to 56 degrees Fahrenheit. Expect precipitation on 8 days with chances of 20% or higher.

Will it rain in San Dimas, CA this week?

Yes, rain is possible in San Dimas this week. Precipitation chances: Friday (100% chance), Saturday (100% chance), Sunday (50% chance), Monday (70% chance), Tuesday (50% chance), Wednesday (50% chance), Thursday (50% chance), Friday (50% chance).

How accurate is the San Dimas weather forecast?

WeatherForYou provides highly accurate San Dimas forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

San Dimas, CA Weather Forecast and Current Conditions

WEATHER ALERTS - Flood Advisory - Flood Watch

Current Conditions From Nearby Local Station

Switch to Metric Units

62°F
Feels Like 62°F

Humidity 97% Dew Point 61°F Wind E 1 MPH Gusts 4 Barometer N/A

Report from a MADIS/MESONET weather station 0.6 miles WSW of central San Dimas
at 9:30 PM Fri, Nov 14, 2025

Point Forecast at a Glance

FriNov 14

100%

SatNov 15

100%

SunNov 16

40%

MonNov 17

70%

TueNov 18

50%

WedNov 19

ThuNov 20

50%

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 53°F to 61°F. Unsettled weather expected with rain likely on at least 7 days.

Climate Context

This week's forecast shows temperatures running 14°F below the historical average for November. Normal highs for this period are around 72°F with lows around 47°F.

This Date in Weather History

1987 - The first major snowstorm of the season hit the Southern and Central Rockies, producing 12 inches at the Brian Head ski resort in Utah overnight. Strong and gusty winds associated with the storm reached 52 mph at Ruidoso NM. In the eastern U.S., the temperature at Washington D.C. soared to 68 degrees, just three days after being buried under more than a foot of snow.

San Dimas, CA 7 Day Weather Forecast Details

Friday Nov 14

Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 56. East wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Saturday Nov 15

Day: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 61. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

Night: Showers and possibly a thunderstorm. Low around 51. South wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Sunday Nov 16

Day: A 40 percent chance of showers. Mostly cloudy, with a high near 57. Southeast wind around 5 mph becoming south southwest in the afternoon. New precipitation amounts between a tenth and quarter of an inch possible.

Night: A 50 percent chance of showers. Mostly cloudy, with a low around 50. South southeast wind around 5 mph. New precipitation amounts between a tenth and quarter of an inch possible.

Monday Nov 17

Day: Showers likely. Cloudy, with a high near 53. Chance of precipitation is 70%.

Night: Showers likely. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

Tuesday Nov 18

Day: A chance of showers. Partly sunny, with a high near 55.

Night: A chance of showers, mainly before 10pm. Partly cloudy, with a low around 46.

Wednesday Nov 19

Day: Sunny, with a high near 61.

Night: A slight chance of showers. Partly cloudy, with a low around 49.

Thursday Nov 20

Day: A chance of showers. Partly sunny, with a high near 59.

Night: A chance of showers. Mostly cloudy, with a low around 49.

Friday Nov 21

Day: A chance of showers. Partly sunny, with a high near 58.

About San Dimas, CA

San Dimas (Spanish for "Saint Dismas") is a city in the San Gabriel Valley of Los Angeles County, California, United States. At the 2020 census, its population was 34,924. It historically took its name from San Dimas Canyon in the San Gabriel Mountains above the northern section of present-day San Dimas. San Dimas is bordered by the San Gabriel Mountains range to the north, Glendora and Covina to the west, La Verne to its north and east side, Pomona to its south and east side, Walnut and the unincorporated community of Ramona to the southwest, and the unincorporated community of West San Dimas, which is an enclave in the southwestern portion of the city.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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.

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