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San Castle, FL Weather
It is 81°F and mostly cloudy in San Castle, FL, observed at 6:20 AM EDT. Today: Chance Showers And Thunderstorms, high 83°F, low 75°F. Hourly and 10-day forecast from the National Weather Service. Times are local (EDT).
San Castle, FL current weather
81°F
Mostly Cloudy
H 83° / L 75°Feels like 85°
Observed at President Donald J. Trump International Airport (8.6 mi away), 10/31/2026, 6:20 AM EDT
3 active alerts
From the National Weather Service for this forecast zone or county
Moderate1Possible threat to life or property
Minor2Minimal to no known threat
Hourly forecast
NWS, updated 10/31/2026, 1:47 AM PT
10-day forecast
Tap a day for details
Today10/3149% chance of precipitationLow 75°High 83°
Today: A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. East wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Tonight: A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 9pm, then a chance of showers and thunderstorms between 9pm and 11pm, then a chance of showers and thunderstorms between 11pm and 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 75. East wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Chance Showers And ThunderstormsSun11/186% chance of precipitationLow 72°High 81°
Sunday: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms. Mostly cloudy, with a high near 81. East wind around 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night: Showers and thunderstorms. Mostly cloudy, with a low around 72. East wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%.
Chance Showers And ThunderstormsMon11/289% chance of precipitationLow 72°High 81°
Monday: Showers and thunderstorms. Mostly cloudy, with a high near 81. East wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%.
Monday Night: Showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 72. East wind 7 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Showers And ThunderstormsTue11/348% chance of precipitationLow 73°High 83°
Tuesday: A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83. East wind 7 to 10 mph. Chance of precipitation is 50%.
Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 73. East wind around 7 mph. Chance of precipitation is 50%.
Chance Showers And ThunderstormsWed11/444% chance of precipitationLow 72°High 83°
Wednesday: A slight chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83. East wind around 8 mph. Chance of precipitation is 40%.
Wednesday Night: A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
Slight Chance Showers And ThunderstormsThu11/530% chance of precipitationLow 70°High 83°
Thursday: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Thursday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 70. Chance of precipitation is 30%.
Mostly Sunny then Chance Showers And ThunderstormsFri11/622% chance of precipitationLow 69°High 82°
Friday: A slight chance of rain showers after 1pm. Sunny, with a high near 82. Chance of precipitation is 20%.
Friday Night: A slight chance of rain showers before 7pm. Mostly clear, with a low around 69.
Sunny then Slight Chance Rain ShowersSat11/7Model blend13% chance of precipitationLow 68°High 82°
Saturday: Mostly sunny. High near 82°. Low that night near 68°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Sun11/8Model blend20% chance of precipitationLow 67°High 81°
Sunday: Mostly sunny, slight chance of rain. High near 81°. Low that night near 67°.
Computer model guidance from the NOAA National Blend of Models, not a forecast written by NWS forecasters. Expect changes this far out.
Mon11/9Model blend22% chance of precipitationLow 66°High 80°
Monday: Partly cloudy, slight chance of rain. High near 80°. Low that night near 66°. About 0.11 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 26.565, -80.061 from the NWS MFL office, updated 10/31/2026, 1:47 AM PT · Official forecast on weather.gov
Days 8 to 10: NOAA National Blend of Models, station KLNA (Lantana/Palm Beach Cnty, 2 mi), model run 10/31/2026, 4:00 AM EDT
From the National Weather Service; may be delayed. Not for life-safety decisions. In an emergency, call 911.
Next 6 hours
NWS hourly forecast
- Now76°Slight Chance Rain Showers24%14 mph
- 7 AM75°Slight Chance Rain Showers23%14 mph
- 8 AM77°Chance Showers And Thunderstorms38%14 mph
- 9 AM78°Chance Showers And Thunderstorms37%15 mph
- 10 AM81°Chance Showers And Thunderstorms31%15 mph
- 11 AM82°Chance Rain Showers25%15 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
- What is the weather in San Castle, FL right now?
- The latest observation from President Donald J. Trump International Airport was 81°F and mostly cloudy, reported at 10/31/2026, 6:20 AM EDT.
- What is the high temperature today in San Castle, FL?
- The National Weather Service forecast for today calls for a high near 83°F. Chance Showers And Thunderstorms.
- Will it rain in San Castle, FL 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 Castle, FL?
- The first 7 days come from the National Weather Service forecast. Days 8 to 10 (Nov 7 to Nov 9) come from the NOAA National Blend of Models, with highs of 80°F to 82°F. Model guidance this far out often changes.
- What time is sunrise and sunset in San Castle, FL today?
- Sunrise is about 7:29 AM EDT and sunset is about 6:38 PM EDT (calculated for the center of the area, within a few minutes).
- What is the normal October weather in San Castle, FL?
- At West Palm Beach INTL AP, the 1991 to 2020 normal high in October is 85°F and the normal low is 73°F.
Rain and snow totals
Next 3 days, NWS forecast grid
- Rain (liquid)
- 1.86 in
- Snow
- 0.00 in
- Ice
- 0.00 in
Nearby hazards
Florida hazardsSevere storm and flash flood outlooks, expected rain, river flooding and wildfires near this area
- Severe storm outlook today:General thunderstormsOutlook 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: None reported
UV and air quality forecast
EPA and AirNow
- AQI forecast today (West Palm Beach)
- GoodOzone
- AQI forecast tomorrow (West Palm Beach)
- GoodOzone
Drought
By countyPalm Beach County, week of 10/27/2026
17% of the county is in moderate drought or worse.
Tides nearby
NOAA tide stations
- Boynton Beach, Lake Worth1.2 mi
- Ocean Ridge, Icww2.7 mi
- Lake Worth ICW3.4 mi
Beaches nearby
EPA BEACON beaches
- Ocean Inlet Park1.8 mi
- Lantana Municipal Beach2 mi
- Boynton Beach Municipal2.4 mi
- Lake Worth Beach3.9 mi
Sun and moon
Local time, center of the area
- Sunrise
- 7:29 AM
- Sunset
- 6:38 PM
- Daylight
- 11 hr 9 min
- Moon
- Waning Gibbous 71% lit
- First light (civil dawn)
- 7:05 AM
- Last light (civil dusk)
- 7:02 PM
- Moonrise
- 11:52 PM
- Moonset
- 1:11 PM
Normal October weather
ClimateNormal October high 85°, low 73°, precipitation 5.90 in for the month. 1991 to 2020 normals at West Palm Beach INTL AP, 9 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
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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