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

Mount Vernon, Texas Weather

Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →

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

Mount Vernon, TX
Thursday, June 4 at 8:33 PM
78
°
Light Showers
Feels like
86°
Humidity
92%
Wind
5 mph
Sunrise
6:12 AM
Sunset
8:26 PM
Mount Vernon, TX
Hour by hour · 24h
24-Hour ForecastMount Vernon, TX: 24-hour forecast. Temperatures range from 70 to 81 degrees Fahrenheit with a 28% chance of precipitation at 3 PM.
L 70°H 81°
Mount Vernon, TX
7-day forecast
  1. Today
    Jun 4
    Showers
    35%
    0.11″
    81°70°
  2. Friday
    Jun 5
    Light Drizzle
    15%
    0.02″
    83°70°+2°
  3. Saturday
    Jun 6
    Showers
    59%
    85°71°+2°
  4. Sunday
    Jun 7
    Showers
    65%
    87°71°+2°
  5. Monday
    Jun 8
    Light Drizzle
    13%
    91°71°+4°
  6. Tuesday
    Jun 9
    Clear
    91°72°
  7. Wednesday
    Jun 10
    Overcast
    89°73°-2°
Mount Vernon, TX
Anemometer · 24h winds · from true
NESW
From · True
SE
128° · veering 6°
Direction
SE
128°
Sustained
5
mph
Gust
15
mph
Peak 24h
20
avg 6
Beaufort · 2 · LIGHT 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 6 · pk 20 @ 5:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 267SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 6° from the se.
Mount Vernon, TX
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
997.9
-1.4 mb in 3h · falling · 29.47 inHg
Now
997.9
mb
3h
-1.4
mb
12h
-3.0
mb
24h
-2.2
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 9971001
9909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1000.5996.8996.8
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Mount Vernon, TX
Air quality
43
AQI
Good
+2 in 6h

Ozone at AQI 45 — peak already passed at 1 PM under overcast skies. AQI flat over the last 6 hours (within ±3 points). 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
6.7μg/m³
PM 10Good
8μg/m³
NO₂Good
1μg/m³
OzoneDRIVERModerate
96μg/m³
UV IndexModerate
3.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 45 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.

Present
AQI 45
UV peak
3.1 at earlier today
Sky at peak
overcast
Projected peak
AQI 45

PM × Wind × Precip

PM scrubbed by 2 hours of recent rain — PM2.5 down to 6.7 µg/m³, PM10 to 7.8 µg/m³.

PM2.5/PM10
0.86
Wind
light
Recent rain
2h in last 6h
Pattern
washed out
Mount Vernon, TX
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
15.7mi
UNLIMITED
41 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
20:33 UTC ·Mount Vernon, TX · 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
20:33 UTC ·Mount Vernon, TX · NOAA NESDIS / STAR · 5-min cadence · 10000x6000 px
Mount Vernon, TX
Satellite · infrared · animated
Mount Vernon, TX
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Mount Vernon, TX
Almanac · Thursday, June 4
A summer fog for fair, a winter fog for rain.
Civil dawn
10:45 AM
Sunrise
6:12 AM
Daylight
14h 14m
Sunset
8:26 PM
Civil dusk
1:56 AM
Planting note
Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Mount Vernon, TX
The moon
Waning Gibbous
82% illuminated
Moonrise
4:30 AM
Moonset
2:43 PM
In sign
♒︎ Aquarius
Mount Vernon, TX
Microseason
Jun 1–5

Fireflies pulse through the magnolias

plant
Jan 142% of the yearDec 31

Read this microseason across nine climate regions →

Mount Vernon at a glance

  • Today vs. normal: 4°F below the seasonal normal for this latitude
  • Last frost: March 6 (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 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.

SPC Convective Outlook

Storm Prediction Center — Mount Vernon

SPC has placed Mount Vernon in the General Thunderstorms category for severe thunderstorms today.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • 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 Mount Vernon

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.