Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Northeast weather to feel more like Thanksgiving than Memorial Day. See the temp forecast. Chevron right

San Marco, FL

80°F
Location Chevron down
Location News Videos
Use Current Location
Recent

San Marco

Florida

80°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
San Marco, FL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Saturday, May 23

Current Weather

9:12 PM

80°F
Mostly cloudy
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
RealFeel®
89°
Heat Index
86°
Wind
ESE 6 mph
Wind Gusts
11 mph
Humidity
84%
Indoor Humidity
84% (Extremely Humid)
Dew Point
75° F
Pressure
↔ 30.11 in
Cloud Cover
76%
Visibility
10 mi
Cloud Ceiling
24000 ft

Night

5/23
72°Lo
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
A couple of evening thunderstorms; otherwise, partly cloudy and humid

WindSE 6 mph

Wind Gusts17 mph

Probability of Precipitation65%

Probability of Thunderstorms59%

Precipitation0.10 in

Rain0.10 in

Hours of Precipitation1

Hours of Rain1

Cloud Cover44%

Evening

Overnight

Sun & Moon

13 hrs 50 mins
Rise 6:28 AM
Set 8:18 PM
First Quarter
Rise 1:31 PM
Set 2:28 AM

Temperature History

5/23
High
Low
Forecast
90°
72°
Average
87°
69°
Last Year
92°
68°

Current Weather Conditions in San Marco

San Marco, Florida is currently Mostly cloudy with a temperature of 80°. The current RealFeel® Temperature is 89° (Very Warm) based on observed conditions including 84% humidity, 76% cloud cover, a UV index of 0, and winds of 6 mph. In shade, the RealFeel Shade™ is 89°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for San Marco, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Drenching, gusty storms will put damper on plans in Southeast, Plains

5 hours ago

Weather News

Southern California fires threaten homes and former nuclear site

1 day ago

Weather Forecasts

It will feel more like Thanksgiving than Memorial Day in the Northeast

6 hours ago

Hurricane

Hurricane season hasn't started, but one area is already being watched

6 hours ago

Weather News

State of Emergency declared for Utah drought after 'no-pack' winter

1 day ago

More Stories

Featured Stories

Astronomy

SpaceX unleashes upgraded Starship rocket in 12th test flight

23 hours ago

Health

Melanoma survivor shares warning for Don’t Fry Day: ‘I changed everyth...

1 day ago

Travel

Waymo recalls robotaxi fleet after one drove into Texas floodwaters

2 days ago

Recreation

It’s nearly Memorial Day, but this national park just had a snowstorm

3 days ago

Astronomy

Neptune’s moon Nereid may be survivor from ancient cosmic shake-up

2 days ago

World North America United States Florida San Marco

Weather Near San Marco:

  • Fruit Cove, FL
  • Jacksonville, FL
  • Lakeside, FL
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...