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San Dimas, CA 91773 Weather
It is 64°F in San Dimas, CA 91773, observed at 6:55 PM PDT. Tonight: Chance Rain Showers, low 58°F. Hourly and 10-day forecast from the National Weather Service. Times are local (PDT).
San Dimas, CA 91773 current weather
64°F
Mostly Cloudy
H 72° / L 58°Feels like 64°
2° warmer than yesterday at this time
Observed at CLAREMONT (6 mi away), 10/29/2026, 6:55 PM PDT
Hourly forecast
NWS, updated 10/29/2026, 4:01 PM PT
10-day forecast
Tap a day for details
Today10/2933% chance of precipitationLow 58°High
Tonight: A chance of rain showers after 11pm. Cloudy, with a low around 58. South southwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Chance Rain ShowersFri10/3036% chance of precipitationLow 56°High 70°
Friday: A chance of rain showers. Mostly cloudy, with a high near 70. South southwest wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Friday Night: A chance of rain showers. Mostly cloudy, with a low around 56. South southeast wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Chance Rain ShowersSat10/3188% chance of precipitationLow 57°High 69°
Saturday: A slight chance of rain showers before 11am, then rain. Cloudy, with a high near 69. East southeast wind around 0 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Saturday Night: Rain before 4am, then rain showers likely. Cloudy, with a low around 57. South southeast wind 0 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Light RainSun11/168% chance of precipitationLow 53°High 67°
Sunday: Rain showers likely before 4pm. Partly sunny, with a high near 67. Chance of precipitation is 70%.
Sunday Night: Partly cloudy, with a low around 53.
Rain Showers LikelyMon11/2Low 54°High 72°
Monday: Sunny, with a high near 72.
Monday Night: Mostly clear, with a low around 54.
SunnyTue11/3Low 55°High 75°
Tuesday: Sunny, with a high near 75.
Tuesday Night: Mostly clear, with a low around 55.
SunnyWed11/4Low 55°High 74°
Wednesday: Sunny, with a high near 74.
Wednesday Night: Mostly clear, with a low around 55.
SunnyThu11/5Low High 72°
Thursday: Mostly sunny, with a high near 72.
Mostly SunnyFri11/6Model blend14% chance of precipitationLow 53°High 71°
Friday: Mostly sunny. High near 71°. Low that night near 53°. About 0.01 in of precipitation.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Sat11/7Model blendLow 55°High 73°
Saturday: Mostly sunny. High near 73°. Low that night near 55°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Forecast for 34.114, -117.810 from the NWS LOX office, updated 10/29/2026, 4:01 PM PT · Official forecast on weather.gov
Days 9 to 10: NOAA National Blend of Models, station KPOC (La Verne/Brackett Fld, 2 mi), model run 10/29/2026, 1:00 PM PDT
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Next 6 hours
NWS hourly forecast
- Now62°Mostly Cloudy11%5 mph
- 9 PM62°Mostly Cloudy11%5 mph
- 10 PM62°Mostly Cloudy11%5 mph
- 11 PM62°Chance Rain Showers33%5 mph
- 12 AM60°Chance Rain Showers33%5 mph
- 1 AM60°Chance Rain Showers33%5 mph
Hourly details
Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShowHide
Observed today
Since midnight, vs yesterday and normal
Today's high so far is 5° below the normal of 77° and 3° cooler than yesterday's high.
- High so far
- 72°
- 5° below normal
- Low so far
- 53°
- Normal low 51°
- Precipitation
- --
- Not reported by this station
- Yesterday
- High 75° · Low 52°
- Normal for today
- High 77° · Low 51°
Observed at CLAREMONT (CMOC1) since midnight local time, through 6:55 PM. Station reports are preliminary and not quality controlled. Normals are estimated from 1991 to 2020 monthly normals at Pomona/Fairplex.
Radar and satellite
National radarNEXRAD (up to 24 hours) and GOES
Frequently asked questions
- What is the weather in San Dimas, CA 91773 right now?
- The latest observation from CLAREMONT was 64°F, reported at 10/29/2026, 6:55 PM PDT.
- Will it rain in San Dimas, CA 91773 in the next 24 hours?
- The NWS hourly forecast does not show any hour with a 50% or higher chance of precipitation in the next 24 hours.
- What is the 10-day forecast for San Dimas, CA 91773?
- The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 6 to Nov 7) come from the NOAA National Blend of Models, with highs of 71°F to 73°F. Model guidance this far out often changes.
- What time is sunrise and sunset in San Dimas, CA 91773 today?
- Sunrise is about 7:08 AM PDT and sunset is about 6:01 PM PDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in San Dimas, CA 91773?
- At Pomona/Fairplex, the 1991 to 2020 normal high in October is 81°F and the normal low is 54°F.
Rain and snow totals
Next 3 days, NWS forecast grid
- Rain (liquid)
- 0.67 in
- Snow
- 0.00 in
- Ice
- 0.00 in
Nearby hazards
California hazardsSevere storm and flash flood outlooks, expected rain, river flooding and wildfires near this area
- Severe storm outlook today:No thunderstorm risk area over this locationOutlook map
- Excessive rainfall outlook (flash flood risk):Could not check the Weather Prediction Center outlook right now.
- River gauges within 40 miles at or above flood stage: None reported
- Active wildfires within 50 miles: NORTE Fire (570 acres), DILLON Fire (0 acres), LAC-388234 Fire, LAC-388246 Fire, LAC-388385 Fire
UV and air quality forecast
EPA and AirNow
- AQI forecast tomorrow (E San Gabriel Vly)
- 42GoodOzone
Drought
By countyLos Angeles County, week of 10/27/2026
7% of the county is abnormally dry. No drought.
Sun and moon
Local time, center of the area
- Sunrise
- 7:08 AM
- Sunset
- 6:01 PM
- Daylight
- 10 hr 53 min
- Moon
- Waning Gibbous 83% lit
- First light (civil dawn)
- 6:42 AM
- Last light (civil dusk)
- 6:26 PM
- Moonrise
- 8:48 PM
- Moonset
- 11:13 AM
Normal October weather
ClimateNormal October high 81°, low 54°, precipitation 0.97 in for the month. 1991 to 2020 normals at Pomona/Fairplex, 3 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA · Official site
- National Blend of Models (NBM) text guidanceNOAA National Weather Service · Official site
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center · Official site
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center · Official site
- National Water Prediction ServiceNOAA National Weather Service · Official site
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center · Official site
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA · Official site
- AirNowU.S. Environmental Protection Agency · Official site
- NWS HeatRisk (experimental)NOAA National Weather Service · Official site
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA · Official site
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency · Official site
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information · Official site
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services · Official site
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University · Official site
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research · Official site
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About this data
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