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

Dorchester, Texas Weather

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

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

Dorchester, TX
Saturday, July 4 at 10:15 AM
89
°
Clear
Feels like
96°
Humidity
62%
Wind
10 mph
Sunrise
1:21 AM
Sunset
3:40 PM
Dorchester, TX
Hour by hour · 24h
24-Hour ForecastDorchester, TX: 24-hour forecast. Temperatures range from 70 to 97 degrees Fahrenheit.
L 70°H 97°
Dorchester, TX
7-day forecast
  1. Today
    Jul 4
    Overcast
    97°78°
  2. Sunday
    Jul 5
    Overcast
    16%
    96°70°-1°
  3. Monday
    Jul 6
    Rain
    16%
    0.16″
    93°72°-3°
  4. Tuesday
    Jul 7
    Mostly Clear
    96°73°+3°
  5. Wednesday
    Jul 8
    Clear
    100°75°+4°
  6. Thursday
    Jul 9
    Mostly Clear
    104°76°+4°
  7. Friday
    Jul 10
    Clear
    101°80°-3°
Dorchester, TX
Anemometer · 24h winds · from true
NESW
From · True
SW
229° · veering 22°
Direction
SW
229°
Sustained
10
mph
Gust
14
mph
Peak 24h
18
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 18 @ 9:00a
01020304050MPHB1B2B3B4B5B6B7B8B9-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 4413SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 22° from the sw.
Dorchester, TX
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
986.7
+0.8 mb in 3h · rising · 29.14 inHg
Now
986.7
mb
3h
+0.8
mb
12h
+1.4
mb
24h
-1.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 985988
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW988.4984.5986.6
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Dorchester, TX
Air quality
50
AQI
Good
-1 in 6h

AQI 50 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 12.2 µg/m³, PM10 at 16.8 µg/m³ — typical background levels with no transport signature.

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

PM 2.5DRIVERModerate
12.2μg/m³
PM 10Good
17μg/m³
NO₂Good
3μg/m³
OzoneModerate
78μg/m³
UV IndexModerate
4.5

What's driving it

Ozone × UV × Sky

Ozone at AQI 37 now. With UV 6.4 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 31 around 1 PM.

Present
AQI 37
UV peak
6.4 at 1 PM
Sky at peak
clear
Projected peak
AQI 31

PM × Wind × Precip

PM2.5 at 12.2 µg/m³, PM10 at 16.8 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.73
Wind
breezy
Recent rain
0h in last 6h
Pattern
background
Dorchester, TX
Sky cover · visibility · 24h
Cloud cover
7%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
56.5mi
UNLIMITED
115 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
15:15 UTC · Dorchester, 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
15:15 UTC · Dorchester, TX · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Dorchester, TX
Satellite · infrared · animated
Dorchester, TX
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Dorchester, TX
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:54 AM
Sunrise
1:21 AM
Daylight
14h 19m
Sunset
3:40 PM
Civil dusk
9:10 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Dorchester, TX
The moon
Waning Gibbous
81% illuminated
Moonrise
11:13 PM
Moonset
10:40 AM
In sign
♓︎ Pisces
Dorchester, TX
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Dorchester at a glance

  • Today vs. normal: 11°F above the seasonal normal for this latitude
  • Last frost: March 8 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

16-Day Forecast — Dorchester

  1. Sat97°78°4%
  2. Sun96°70°16%
  3. Mon93°72°16%
  4. Tue96°73°8%
  5. Wed100°75°3%
  6. Thu104°76°1%
  7. Fri101°80°2%
  8. Sat102°78°6%
  9. Sun100°74°6%
  10. Mon100°74°5%
  11. Tue105°76°2%
  12. Wed110°78°10%
  13. Thu92°73°10%
  14. Fri86°69°13%
  15. Sat87°70°17%
  16. Sun95°72°17%

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 — Dorchester

SPC includes Dorchester 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 Dorchester

  • 75092
  • 75459

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.