Weather StoryAlmanac, microseasons, and the day's weather story.

San Antonio, Florida Weather

Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →

San Antonio weather forecast — hour by hour, 7-day outlook, NOAA radar

San Antonio, FL
Wednesday, June 3 at 11:59 PM
76
°
Overcast
Feels like
75°
Humidity
58%
Wind
10 mph
Sunrise
6:31 AM
Sunset
8:22 PM
San Antonio, FL
Hour by hour · 24h
24-Hour ForecastSan Antonio, FL: 24-hour forecast. Temperatures range from 65 to 88 degrees Fahrenheit.
L 65°H 88°
San Antonio, FL
7-day forecast
  1. Today
    Jun 3
    Overcast
    24%
    82°69°
  2. Thursday
    Jun 4
    Overcast
    88°65°+6°
  3. Friday
    Jun 5
    Overcast
    84°66°-4°
  4. Saturday
    Jun 6
    Overcast
    91°69°+7°
  5. Sunday
    Jun 7
    Overcast
    16%
    93°68°+2°
  6. Monday
    Jun 8
    Light Drizzle
    32%
    91°72°-2°
  7. Tuesday
    Jun 9
    Light Drizzle
    43%
    90°74°-1°
San Antonio, FL
Anemometer · 24h winds · from true
NESW
From · True
NE
051° · veering 22°
Direction
NE
051°
Sustained
10
mph
Gust
22
mph
Peak 24h
28
avg 12
Beaufort · 3 · GENTLE BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 12 · pk 28 @ 9:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2214SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 22° from the ne.
San Antonio, FL
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1013.1
+0.8 mb in 3h · rising · 29.92 inHg
Now
1013.1
mb
3h
+0.8
mb
12h
+1.0
mb
24h
+3.2
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10101014
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1014.21009.71014.2
−24h−18h−12h−6hnow
Air sits at the threshold — small shifts decide the day.
San Antonio, FL
Air quality
47
AQI
Good
+6 in 6h

PM2.5/PM10 ratio 0.66 with 10 mph wind — characteristic of long-range haze transport rather than a local source. AQI up 6 over the last 6 hours (gradual rise).

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5DRIVERGood
8.4μg/m³
PM 10Good
13μg/m³
NO₂Good
1μg/m³
OzoneModerate
97μg/m³
UV IndexLow
0.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 46. Overcast through the UV peak window (cloud cover ~73%) — afternoon ozone should stay flat.

Present
AQI 46
UV peak
0.2 at 1 PM
Sky at peak
overcast
Projected peak
AQI 6

PM × Wind × Precip

PM2.5/PM10 ratio 0.66 with 10 mph wind — characteristic of long-range haze transport rather than a local source.

PM2.5/PM10
0.66
Wind
breezy
Recent rain
0h in last 6h
Pattern
transport
San Antonio, FL
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
64.8mi
UNLIMITED
79 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
23:59 UTC ·San Antonio, FL · NOAA NESDIS / STAR · 21696x21696 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
23:59 UTC ·San Antonio, FL · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
San Antonio, FL
Satellite · infrared · animated
San Antonio, FL
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
San Antonio, FL
Almanac · Wednesday, June 3
The higher the clouds, the finer the weather.
Civil dawn
10:06 AM
Sunrise
6:31 AM
Daylight
13h 51m
Sunset
8:22 PM
Civil dusk
12:50 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
San Antonio, FL
The moon
Waning Gibbous
88% illuminated
Moonrise
2:43 AM
Moonset
1:03 PM
In sign
♑︎ Capricorn
San Antonio, FL
Microseason
Jun 1–5

Fireflies pulse through the magnolias

bird
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

San Antonio at a glance

  • Today vs. normal: 11°F below the seasonal normal for this latitude
  • Last frost: February 5 (climatological average for this latitude)
  • Microseason: Jun 1–5
  • Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.

Right now in the garden

Peak growing season

As of June 3, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — San Antonio

SPC has placed San Antonio in the General Thunderstorms category for severe thunderstorms day after tomorrow.

  • TODAYNONENo severe risk
  • TOMORROWNONENo severe risk
  • DAY 3TSTMGeneral Thunderstorms

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in San Antonio

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.