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

Mont Belvieu, Texas Weather

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

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

Mont Belvieu, TX
Saturday, July 4 at 9:16 AM
84
°
Clear
Feels like
94°
Humidity
78%
Wind
4 mph
Sunrise
1:23 AM
Sunset
3:24 PM
Mont Belvieu, TX
Hour by hour · 24h
24-Hour ForecastMont Belvieu, TX: 24-hour forecast. Temperatures range from 76 to 92 degrees Fahrenheit.
L 76°H 92°
Mont Belvieu, TX
7-day forecast
  1. Today
    Jul 4
    Overcast
    92°78°
  2. Sunday
    Jul 5
    Overcast
    92°76°
  3. Monday
    Jul 6
    Thunderstorm
    24%
    93°77°+1°
  4. Tuesday
    Jul 7
    Light Drizzle
    22%
    94°78°+1°
  5. Wednesday
    Jul 8
    Thunderstorm
    94°77°
  6. Thursday
    Jul 9
    Light Drizzle
    93°78°-1°
  7. Friday
    Jul 10
    Clear
    92°78°-1°
Mont Belvieu, TX
Anemometer · 24h winds · from true
NESW
From · True
W
270° · backing 27°
Direction
W
270°
Sustained
4
mph
Gust
9
mph
Peak 24h
14
avg 3
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 3 · pk 14 @ 9:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 196SUSTGUST
−24h−18h−12h−6hnow
Light breeze backing 27° from the w.
Mont Belvieu, TX
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1015.7
+1.6 mb in 3h · rising · 29.99 inHg
Now
1015.7
mb
3h
+1.6
mb
12h
+2.3
mb
24h
-0.7
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10141017
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY-21h-18h-15h-12h-9h-6h-3h-24hNOW1016.71013.61015.9
−24h−18h−12h−6hnow
Fair and building — a clean high settles over the region.
Mont Belvieu, TX
Air quality
52
AQI
Moderate
-2 in 6h

AQI 52 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 9.9 µg/m³ (AQI 52) with a 0.77 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.

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

PM 2.5DRIVERGood
9.9μg/m³
PM 10Good
13μg/m³
NO₂Good
6μg/m³
OzoneGood
54μg/m³
UV IndexModerate
2.3

What's driving it

PM × Wind × Precip

PM2.5 at 9.9 µg/m³ (AQI 52) with a 0.77 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.77
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Mont Belvieu, TX
Sky cover · visibility · 24h
Cloud cover
1%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
38.3mi
UNLIMITED
69 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
14:16 UTC · Mont Belvieu, 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
14:16 UTC · Mont Belvieu, TX · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Mont Belvieu, TX
Satellite · infrared · animated
Mont Belvieu, TX
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Mont Belvieu, TX
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:57 AM
Sunrise
1:23 AM
Daylight
14h 01m
Sunset
3:24 PM
Civil dusk
8:52 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Mont Belvieu, TX
The moon
Waning Gibbous
81% illuminated
Moonrise
11:01 PM
Moonset
10:36 AM
In sign
♓︎ Pisces
Mont Belvieu, TX
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Mont Belvieu at a glance

  • Today vs. normal: 84°F — typical for the season
  • Last frost: February 14 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 77580

16-Day Forecast — Mont Belvieu

  1. Sat92°78°4%
  2. Sun92°76°7%
  3. Mon93°77°24%
  4. Tue94°78°22%
  5. Wed94°77°5%
  6. Thu93°78°4%
  7. Fri92°78°7%
  8. Sat92°78°14%
  9. Sun96°78°18%
  10. Mon97°78°18%
  11. Tue98°78°16%
  12. Wed97°81°19%
  13. Thu83°75°26%
  14. Fri86°75°20%
  15. Sat84°78°26%
  16. Sun91°77°24%

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.

SPC Convective Outlook

Storm Prediction Center — Mont Belvieu

SPC includes Mont Belvieu in the general thunderstorm area today — no severe risk, but storms are possible.

  • 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 Mont Belvieu

  • 77523
  • 77535
  • 77580

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.