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Rainbow, CA Weather
Tonight: Mostly Cloudy, low 56°F. Hourly and 10-day forecast from the National Weather Service. Times are local (PDT).
Rainbow, CA current weather
61°F
Mostly Cloudy
Forecast for this hour. No recent report from a nearby station.
H -- / L 56°
- Wildfire smoke overhead: light
No rain expected in the next 12 hours
No recent station report. NWS hourly forecast updated 10/28/2026, 11:33 AM PT
Hourly forecast
NWS, updated 10/28/2026, 11:33 AM PT
10-day forecast
Tap a day for details
Today10/28Low 56°High
Tonight: Mostly cloudy, with a low around 56. East wind 0 to 5 mph.
Mostly CloudyThu10/2917% chance of precipitationLow 59°High 72°
Thursday: Partly sunny, with a high near 72. Southwest wind 0 to 10 mph.
Thursday Night: A slight chance of rain showers after 11pm. Mostly cloudy, with a low around 59. South wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Partly SunnyFri10/3017% chance of precipitationLow 56°High 70°
Friday: A slight chance of rain showers before 11am. Partly sunny, with a high near 70. South wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Friday Night: Mostly cloudy, with a low around 56. Southeast wind 0 to 5 mph.
Slight Chance Rain Showers then Partly SunnySat10/3179% chance of precipitationLow 59°High 68°
Saturday: Rain showers likely after 11am. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Saturday Night: Rain showers before 4am, then showers and thunderstorms likely. Cloudy, with a low around 59.
Rain Showers LikelySun11/173% chance of precipitationLow 55°High 67°
Sunday: Showers and thunderstorms likely. Mostly cloudy, with a high near 67.
Sunday Night: A chance of rain showers before 10pm. Mostly cloudy, with a low around 55.
Showers And Thunderstorms LikelyMon11/2Low 56°High 73°
Monday: Sunny, with a high near 73.
Monday Night: Mostly clear, with a low around 56.
SunnyTue11/317% chance of precipitationLow 56°High 75°
Tuesday: Sunny, with a high near 75.
Tuesday Night: A slight chance of rain showers between 10pm and 4am. Mostly clear, with a low around 56.
SunnyWed11/4Low High 73°
Wednesday: Mostly sunny, with a high near 73.
Mostly SunnyThu11/5Model blendLow 55°High 74°
Thursday: Partly cloudy. High near 74°. 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.
Fri11/6Model blend12% chance of precipitationLow 55°High 73°
Friday: Partly cloudy. High near 73°. Low that night near 55°. About 0.04 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.
Forecast for 33.401, -117.142 from the NWS SGX office, updated 10/28/2026, 11:33 AM PT · Official forecast on weather.gov
Days 9 to 10: NOAA National Blend of Models, station KL18 (Fallbrook Arpk, 7 mi), model run 10/28/2026, 7:00 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
- Now61°Mostly Cloudy0%0 mph
- 9 PM59°Mostly Cloudy0%0 mph
- 10 PM59°Mostly Cloudy0%0 mph
- 11 PM59°Mostly Cloudy0%0 mph
- 12 AM58°Mostly Cloudy0%0 mph
- 1 AM58°Mostly Cloudy0%0 mph
Hourly details
Next 7 days: temperature chart, feels like, rain and snow amounts, sky cover, wind and gustsShowHide
Radar and satellite
National radarNEXRAD (up to 24 hours) and GOES
Frequently asked questions
- Will it rain in Rainbow, CA 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 Rainbow, CA?
- The first 8 days come from the National Weather Service forecast. Days 9 to 10 (Nov 5 to Nov 6) come from the NOAA National Blend of Models, with highs of 73°F to 74°F. Model guidance this far out often changes.
- What time is sunrise and sunset in Rainbow, CA today?
- Sunrise is about 7:04 AM PDT and sunset is about 6:00 PM PDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in Rainbow, CA?
- At Fallbrook 5 NE, the 1991 to 2020 normal high in October is 83°F and the normal low is 58°F.
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), BONSALL 2 Fire
Drought
By countySan Diego County, week of 10/20/2026
65% of the county is abnormally dry. No drought.
Sun and moon
Local time, center of the area
- Sunrise
- 7:04 AM
- Sunset
- 6 PM
- Daylight
- 10 hr 56 min
- Moon
- Waning Gibbous 90% lit
- First light (civil dawn)
- 6:38 AM
- Last light (civil dusk)
- 6:25 PM
- Moonrise
- 7:46 PM
- Moonset
- 10 AM
Normal October weather
ClimateNormal October high 83°, low 58°, precipitation 0.70 in for the month. 1991 to 2020 normals at Fallbrook 5 NE, 4 mi away.
Other places nearby
Data sources
- National Weather Service APINOAA
- National Blend of Models (NBM) text guidanceNOAA National Weather Service
- Convective Outlooks and Storm ReportsNOAA Storm Prediction Center
- Excessive Rainfall Outlook and Quantitative Precipitation ForecastsNOAA Weather Prediction Center
- National Water Prediction ServiceNOAA National Weather Service
- WFIGS Current Wildland Fire IncidentsNational Interagency Fire Center
- Hazard Mapping System Smoke AnalysisNOAA NESDIS Office of Satellite and Product Operations
- UV Index Forecast (Envirofacts)U.S. Environmental Protection Agency and NOAA
- AirNowU.S. Environmental Protection Agency
- NWS HeatRisk (experimental)NOAA National Weather Service
- U.S. Drought MonitorNational Drought Mitigation Center, USDA and NOAA
- BEACON 2.0 Beach Advisory and Closing On-line NotificationU.S. Environmental Protection Agency
- U.S. Climate Normals 1991-2020NOAA National Centers for Environmental Information
- Tides & Currents (CO-OPS API)NOAA Center for Operational Oceanographic Products and Services
- NDBC Latest ObservationsNOAA National Data Buoy Center
- NEXRAD radar tilesIowa Environmental Mesonet, Iowa State University
- GOES-East and GOES-West GeoColor imageryNOAA NESDIS Center for Satellite Applications and Research
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About this data
Weather and emergencies: Weather, air quality and hazard information on this page is delayed and may be incomplete. It is not a substitute for official warnings. Always follow the National Weather Service, local emergency management and public safety officials. In an emergency, call 911. For evacuation orders, use your local official alert system.
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