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

Brenham, Texas Weather

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

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

Brenham, TX
Saturday, July 4 at 10:15 AM
84
°
Clear
Feels like
93°
Humidity
69%
Wind
7 mph
Sunrise
1:29 AM
Sunset
3:30 PM
Brenham, TX
Hour by hour · 24h
24-Hour ForecastBrenham, TX: 24-hour forecast. Temperatures range from 76 to 93 degrees Fahrenheit.
L 76°H 93°
Brenham, TX
7-day forecast
  1. Today
    Jul 4
    Overcast
    93°75°
  2. Sunday
    Jul 5
    Overcast
    94°76°+1°
  3. Monday
    Jul 6
    Overcast
    96°74°+2°
  4. Tuesday
    Jul 7
    Drizzle
    97°75°+1°
  5. Wednesday
    Jul 8
    Light Showers
    97°75°
  6. Thursday
    Jul 9
    Clear
    99°74°+2°
  7. Friday
    Jul 10
    Clear
    100°74°+1°
Brenham, TX
Anemometer · 24h winds · from true
NESW
From · True
SW
221° · veering 11°
Direction
SW
221°
Sustained
7
mph
Gust
11
mph
Peak 24h
17
avg 5
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 5 · pk 17 @ 12:00a
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 257SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 11° from the sw.
Brenham, TX
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1006.1
+0.7 mb in 3h · rising · 29.71 inHg
Now
1006.1
mb
3h
+0.7
mb
12h
+1.5
mb
24h
-0.5
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10041007
1000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR-21h-18h-15h-12h-9h-6h-3h-24hNOW1007.41004.11006.2
−24h−18h−12h−6hnow
Damp, unsettled regime — wet weather lingers nearby.
Brenham, TX
Air quality
31
AQI
Good
-6 in 6h

AQI 31 (Good), driven by PM2.5. AQI down 6 over the last 6 hours (gradual decline). PM2.5 at 5.0 µg/m³ (AQI 28), ratio 0.67 with 7 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
5.0μg/m³
PM 10Good
8μg/m³
NO₂Good
1μg/m³
OzoneGood
51μg/m³
UV IndexModerate
4.5

What's driving it

PM × Wind × Precip

PM2.5 at 5.0 µg/m³ (AQI 28), ratio 0.67 with 7 mph wind — characteristic of long-range haze transport rather than a local source.

PM2.5/PM10
0.67
Wind
light
Recent rain
0h in last 6h
Pattern
transport
Brenham, TX
Sky cover · visibility · 24h
Cloud cover
3%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
49.9mi
UNLIMITED
71 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 · Brenham, 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 · Brenham, TX · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Brenham, TX
Satellite · infrared · animated
Brenham, TX
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Brenham, TX
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
6:02 AM
Sunrise
1:29 AM
Daylight
14h 01m
Sunset
3:30 PM
Civil dusk
8:59 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Brenham, TX
The moon
Waning Gibbous
81% illuminated
Moonrise
11:08 PM
Moonset
10:42 AM
In sign
♓︎ Pisces
Brenham, TX
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Brenham at a glance

  • Today vs. normal: 3°F above the seasonal normal for this latitude
  • Last frost: February 16 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 77833

16-Day Forecast — Brenham

  1. Sat93°75°2%
  2. Sun94°76°1%
  3. Mon96°74°9%
  4. Tue97°75°8%
  5. Wed97°75°3%
  6. Thu99°74°3%
  7. Fri100°74°6%
  8. Sat101°74°8%
  9. Sun99°74°14%
  10. Mon98°74°15%
  11. Tue103°76°6%
  12. Wed102°76°14%
  13. Thu101°77°21%
  14. Fri91°75°23%
  15. Sat85°72°16%
  16. Sun96°73°14%

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 — Brenham

SPC includes Brenham in the general thunderstorm area tomorrow — no severe risk, but storms are possible.

  • TODAYNONENo severe risk
  • 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 Brenham

  • 77833
  • 77834

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.