Marshall weather in August

In August, Marshall sees average daytime highs of 93°F and overnight lows near 74°F, with 2.7 in of rain across 8.4 wet days and about 13.2 hours of daylight. It is the 1st-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 93°F through the month. The sky is clear or mostly clear about 45% of the time in August, and the air most often feels oppressive.

Daylight stretches from about 13 h 36 min at the start of August to 12 h 42 min by month's end. Set against the rest of the year, August is Marshall's 3rd-clearest and 12th-windiest month. For the whole year in context, see Marshall's year-round climate.

Daytime high
93°
1st warmest
Overnight low
74°
11th coldest
Rainfall
2.7 in
8.4 wet days
Daylight
13 h 12 min
5:45 AM – 6:58 PM
Cloud cover
48%
3rd clearest
Wind
5 mph
12th windiest
Solar energy
5.95 kWh/m²
Travel score
3.1
out of 10

Marshall is small city and county seat of Harrison County, Texas, United States.

Density
310/km²
people per km²
Founded
1841

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 93°F through the month.

A typical August day in Marshall reaches about 93°F in the afternoon and slips back to 74°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 86°F and 100°F. Set against its neighbours, August runs on par with July and about 6°F warmer than September.

60°70°80°90°100°151015202531
Avg high (°F)Avg low (°F)
19475
29475
39475
49475
59475
69475
79475
89475
99475
109475
119475
129475
139474
149474
159474
169474
179474
189474
199374
209374
219374
229374
239374
249373
259373
269273
279273
289273
299273
309273
319272

How August really feels in Marshall

Once humidity and wind are folded in, August averages 31 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
31
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Marshall weather by month

How August compares with the rest of the year at a glance. August is the 1st-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan57° / 39°3.99.310.14.1
Feb61° / 43°4.09.210.85.0
Mar69° / 49°4.710.611.86.3
Apr76° / 56°4.99.412.87.0
May83° / 65°4.211.613.65.6
Jun90° / 72°3.81114.13.8
Jul93° / 75°2.89.413.93.0
Aug93° / 74°2.78.413.23.1
Sep88° / 68°3.27.312.25.0
Oct78° / 57°4.27.611.27.3
Nov66° / 47°3.9810.36.5
Dec58° / 41°4.59.29.94.5

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 34%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26634
36733
46733
56733
66733
76733
86733
96733
106733
116733
126733
136634
146634
156733
166733
176832
186832
196832
206733
216733
226733
236733
246634
256535
266535
276436
286436
296436
306337
316337

Chance of precipitation in August

Any precipitation

Marshall gets around 2.7 in of rain over 8.4 wet days in August, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
228
328
428
529
629
729
830
930
1030
1130
1230
1331
1430
1530
1630
1729
1828
1928
2027
2127
2226
2326
2426
2526
2627
2727
2827
2927
3027
3127

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the oppressive band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 85% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
102734552
202735533
302735533
403635533
503636514
603636514
703636514
803635524
904634524
1004734505
1104733515
1204832515
1305831515
1405931505
1505930515
16051030514
17051030514
18051130504
19051230504
20051230494
21051330493
22051330493
23041430483
24041531483
25041531473
26041631463
27141631453
28141731442
29151731432
30251831432
31251830422

Wind in August

Winds average 5 mph in August, the calmest month.

Across August, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 13 h 36 min at the start of August to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 54 minutes over August. Sunrise moves from 5:35 AM to 5:55 AM, and sunset from 7:12 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.65:357:12
213.65:367:11
313.65:367:10
413.55:377:10
513.55:387:09
613.55:387:08
713.55:397:07
813.45:407:06
913.45:417:05
1013.45:417:04
1113.45:427:03
1213.35:437:02
1313.35:437:01
1413.35:447:00
1513.25:456:59
1613.25:456:58
1713.25:466:57
1813.15:476:56
1913.15:476:54
2013.15:486:53
2113.15:496:52
2213.05:496:51
2313.05:506:50
2413.05:516:48
2512.95:516:47
2612.95:526:46
2712.95:536:45
2812.85:536:43
2912.85:546:42
3012.85:556:41
3112.75:556:40

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.95 kWh/m².

For context, solar energy here swings from a low near 2.41 kWh/m² to a high of 6.39 kWh/m² in July across the year — August's 5.95 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.1Intense
106.1Intense
116.1Intense
126.0Intense
136.0Intense
146.0Intense
156.0Bright
165.9Bright
175.9Bright
185.9Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.7Bright
245.7Bright
255.7Bright
265.6Bright
275.6Bright
285.5Bright
295.5Bright
305.5Bright
315.4Bright
Planning a trip in August

Is August a good time to visit Marshall?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.1
Sightseeing
11th-best month of the year
6.2
Beach & pool
5th-best month of the year

August is a weaker month for outdoor sightseeing in Marshall. The water and warmth also suit a beach or pool day.

What to pack for Marshall in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Marshall sees daytime highs around 93°F and nights near 74°F. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Marshall in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Marshall peaks around June 18 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 18UV 10Dec 20UV 3
UV index (midday)Level
Jan4Moderate
Feb5High
Mar6High
Apr10Very high
May10Very high
Jun10Very high
Jul10Very high
Aug10Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec3Moderate

Air quality in Marshall in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Marshall is worst in July — around 22 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (January, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1622 µg/m³Jan 188 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr11Good
May15Moderate
Jun19Moderate
Jul22Moderate
Aug18Moderate
Sep16Moderate
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Marshall?

Marshall sits at 32.5°N, 94.4°W, 413 ft above sea level, in United States. The nearest listed city is Longview, 22 mi away.

Topography around Marshall

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Marshall.

Within 2 miles, the terrain around Marshall has only modest variations in elevation — a maximum elevation change of 203 ft around an average of 397 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 430 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 623 ft.

The land around Marshall is covered by trees (66%) within 2 miles, trees (71%) and grassland (26%) within 10 miles, and trees (72%) and grassland (23%) within 50 miles.

2 miles
203 ft
10 miles
430 ft
50 miles
623 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Longview 22 mi · Shreveport 36 mi · Bossier City 37 mi · Mount Pleasant 55 mi · Tyler 56 mi · Texarkana 63 mi · Texarkana 65 mi · Nacogdoches 67 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Marshall (32.5449°, -94.3674°, elevation 413 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).