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

Mercedes, Texas Weather

Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →

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

Mercedes, TX
Sunday, July 5 at 3:30 PM
98
°
Mostly Clear
Feels like
104°
Humidity
40%
Wind
11 mph
Sunrise
1:44 AM
Sunset
3:27 PM
Mercedes, TX
Hour by hour · 24h
24-Hour ForecastMercedes, TX: 24-hour forecast. Temperatures range from 78 to 98 degrees Fahrenheit.
L 78°H 98°
Mercedes, TX
7-day forecast
  1. Today
    Jul 5
    Mostly Clear
    98°79°
  2. Monday
    Jul 6
    Overcast
    98°78°
  3. Tuesday
    Jul 7
    Overcast
    13%
    100°78°+2°
  4. Wednesday
    Jul 8
    Clear
    99°78°-1°
  5. Thursday
    Jul 9
    Overcast
    12%
    96°76°-3°
  6. Friday
    Jul 10
    Overcast
    27%
    95°79°-1°
  7. Saturday
    Jul 11
    Overcast
    15%
    95°80°
Mercedes, TX
Anemometer · 24h winds · from true
NESW
From · True
SE
138° · backing 7°
Direction
SE
138°
Sustained
11
mph
Gust
13
mph
Peak 24h
25
avg 10
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 10 · pk 25 @ 11:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 2210SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 7° from the se.
Mercedes, TX
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1009.7
-2.3 mb in 3h · falling rapidly · 29.82 inHg
Now
1009.7
mb
3h
-2.3
mb
12h
-1.2
mb
24h
-0.7
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10101013
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1012.51009.71009.8
−24h−18h−12h−6hnow
Pressure giving way — clouds thicken and rain edges closer.
Mercedes, TX
Air quality
27
AQI
Good
0 in 6h

AQI 27 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 32 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

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

PM 2.5Good
5.2μg/m³
PM 10Good
7μg/m³
NO₂Good
1μg/m³
OzoneDRIVERModerate
67μg/m³
UV IndexVery high
8.9

What's driving it

Ozone × UV × Sky

Ozone at AQI 32 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

Present
AQI 32
UV peak
8.5 at earlier today
Sky at peak
partly cloudy
Projected peak
AQI 32

PM × Wind × Precip

PM2.5 at 5.2 µg/m³, PM10 at 7.3 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.71
Wind
breezy
Recent rain
0h in last 6h
Pattern
background
Mercedes, TX
Sky cover · visibility · 24h
Cloud cover
20%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
97.6mi
UNLIMITED
103 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
20:30 UTC · Mercedes, 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
20:30 UTC · Mercedes, TX · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Mercedes, TX
Satellite · infrared · animated
Mercedes, TX
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Mercedes, TX
Almanac · Sunday, July 5
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 43m
Sunset
3:27 PM
Civil dusk
8:55 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Mercedes, TX
The moon
Waning Gibbous
69% illuminated
Moonrise
11:42 PM
Moonset
11:49 AM
In sign
♓︎ Pisces
Mercedes, TX
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Mercedes at a glance

  • Today vs. normal: 13°F above the seasonal normal for this latitude
  • Last frost: January 23 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 78570

16-Day Forecast — Mercedes

  1. Sun98°79°0%
  2. Mon97°79°4%
  3. Tue100°79°13%
  4. Wed99°78°6%
  5. Thu96°76°12%
  6. Fri95°79°27%
  7. Sat95°80°15%
  8. Sun95°80°16%
  9. Mon100°77°16%
  10. Tue103°74°6%
  11. Wed106°76°8%
  12. Thu103°75°4%
  13. Fri104°77°3%
  14. Sat109°78°11%
  15. Sun95°81°4%
  16. Mon103°78°6%

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

Right now in the garden

Peak growing season

As of July 5, 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 Mercedes

  • 78570

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.