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

San Carlos, Texas Weather

Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →

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

San Carlos, TX
Saturday, July 4 at 9:22 AM
84
°
Clear
Feels like
91°
Humidity
76%
Wind
11 mph
Sunrise
1:44 AM
Sunset
3:28 PM
San Carlos, TX
Hour by hour · 24h
24-Hour ForecastSan Carlos, TX: 24-hour forecast. Temperatures range from 76 to 96 degrees Fahrenheit.
L 76°H 96°
San Carlos, TX
7-day forecast
  1. Today
    Jul 4
    Overcast
    96°77°
  2. Sunday
    Jul 5
    Overcast
    95°76°-1°
  3. Monday
    Jul 6
    Overcast
    101°76°+6°
  4. Tuesday
    Jul 7
    Mostly Clear
    102°76°+1°
  5. Wednesday
    Jul 8
    Overcast
    100°77°-2°
  6. Thursday
    Jul 9
    Overcast
    99°76°-1°
  7. Friday
    Jul 10
    Overcast
    99°79°
San Carlos, TX
Anemometer · 24h winds · from true
NESW
From · True
SSE
165° · veering 8°
Direction
SSE
165°
Sustained
11
mph
Gust
18
mph
Peak 24h
26
avg 9
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 9 · pk 26 @ 9:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 269SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 8° from the sse.
San Carlos, TX
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1013.3
+1.4 mb in 3h · rising · 29.92 inHg
Now
1013.3
mb
3h
+1.4
mb
12h
+1.2
mb
24h
-0.4
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-24hNOW1013.61010.41013.2
−24h−18h−12h−6hnow
Pressure climbing through the change line — drier air pushing in.
San Carlos, TX
Air quality
23
AQI
Good
+1 in 6h

AQI 23 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 6.9 µg/m³ (AQI 38), ratio 0.70 with 11 mph wind — characteristic of long-range haze transport rather than a local source.

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

PM 2.5DRIVERGood
6.9μg/m³
PM 10Good
10μg/m³
NO₂Good
3μg/m³
OzoneGood
52μg/m³
UV IndexLow
2.0

What's driving it

PM × Wind × Precip

PM2.5 at 6.9 µg/m³ (AQI 38), ratio 0.70 with 11 mph wind — characteristic of long-range haze transport rather than a local source.

PM2.5/PM10
0.70
Wind
breezy
Recent rain
0h in last 6h
Pattern
transport
San Carlos, TX
Sky cover · visibility · 24h
Cloud cover
8%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
41.2mi
UNLIMITED
95 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
14:22 UTC · San Carlos, TX · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
14:22 UTC · San Carlos, TX · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
San Carlos, TX
Satellite · infrared · animated
San Carlos, TX
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
San Carlos, TX
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
6:19 AM
Sunrise
1:44 AM
Daylight
13h 44m
Sunset
3:28 PM
Civil dusk
8:56 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
San Carlos, TX
The moon
Waning Gibbous
81% illuminated
Moonrise
11:11 PM
Moonset
10:53 AM
In sign
♓︎ Pisces
San Carlos, TX
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

San Carlos at a glance

  • Today vs. normal: 84°F — typical for the season
  • Last frost: January 24 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — San Carlos

  1. Sat96°77°2%
  2. Sun95°76°3%
  3. Mon101°76°7%
  4. Tue102°76°5%
  5. Wed100°77°0%
  6. Thu99°76°2%
  7. Fri99°79°2%
  8. Sat101°79°6%
  9. Sun103°76°9%
  10. Mon103°76°12%
  11. Tue103°74°9%
  12. Wed104°76°3%
  13. Thu107°77°3%
  14. Fri101°78°2%
  15. Sat101°80°3%
  16. Sun102°76°3%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 4, 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.

ZIP codes in San Carlos

  • 78542

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.