Fort Wayne weather in August

In August, Fort Wayne sees average daytime highs of 80°F and overnight lows near 63°F, with 3.5 in of rain across 10.1 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 80°F through the month. The sky is clear or mostly clear about 34% of the time in August, and the air most often feels humid.

Daylight stretches from about 14 h 12 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Fort Wayne's 3rd-clearest and 12th-windiest month. For the whole year in context, see Fort Wayne's year-round climate.

Daytime high
80°
2nd warmest
Overnight low
63°
11th coldest
Rainfall
3.5 in
10.1 wet days
Daylight
13 h 42 min
5:55 AM – 7:34 PM
Cloud cover
55%
3rd clearest
Wind
6 mph
12th windiest
Solar energy
5.44 kWh/m²
Travel score
6.6
out of 10

Fort Wayne is city in and county seat of Allen County, Indiana, United States.

Density
907/km²
people per km²
Founded
1794

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 80°F through the month.

A typical August day in Fort Wayne reaches about 80°F in the afternoon and slips back to 63°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 73°F and 88°F. Set against its neighbours, August runs about 2°F cooler than July and about 6°F warmer than September.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18264
28264
38164
48164
58164
68164
78164
88164
98164
108164
118163
128063
138063
148063
158063
168063
178063
188063
198063
208063
218062
228062
238062
248062
258062
268062
278062
287962
297961
307961
317961

How August really feels in Fort Wayne

Once humidity and wind are folded in, August averages 0 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
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Fort Wayne weather by month

How August compares with the rest of the year at a glance. August is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan33° / 20°2.710.16.29.40.0
Feb36° / 22°2.38.34.910.40.0
Mar47° / 30°3.210.83.311.71.4
Apr59° / 41°4.012.40.813.14.3
May70° / 52°4.013.2014.35.9
Jun79° / 61°4.212.1014.96.2
Jul82° / 65°3.611.2014.76.1
Aug80° / 63°3.510.1013.66.6
Sep74° / 55°2.68.5012.37.1
Oct62° / 44°2.99.40.110.95.3
Nov48° / 34°3.09.41.99.71.9
Dec37° / 25°2.59.74.69.10.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% 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 45%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25545
35545
45545
55446
65446
75446
85446
95446
105347
115446
125446
135446
145545
155545
165545
175545
185545
195644
205644
215644
225644
235644
245644
255644
265743
275842
285842
295842
305842
315842

Chance of precipitation in August

Any precipitation

Fort Wayne gets around 3.5 in of rain over 10.1 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
133
233
333
432
532
632
732
832
933
1033
1133
1234
1334
1434
1534
1634
1734
1834
1934
2034
2134
2233
2333
2432
2532
2631
2730
2830
2929
3029
3129

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August lands in the humid band about 25% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
112243022121
212243022111
312243022111
413242922111
513252922111
613252822111
714252722111
814252723111
915252623101
1015262524101
1115262524101
1215262424100
131626242590
141626232590
151626232690
161626232680
171626232680
181626232780
191625242780
201625242870
211625242870
221624242870
231724242870
241724252870
251823252760
261923242760
272023242760
282123242660
292223242660
302323232550
312424232450

Wind in August

Winds average 6 mph in August, the calmest month.

Across August, daily wind ranges from about 6 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
307calm
317calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 12 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over August. Sunrise moves from 5:40 AM to 6:10 AM, and sunset from 7:53 PM to 7:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:407:53
214.25:417:52
314.25:427:51
414.15:437:50
514.15:447:49
614.15:457:48
714.05:467:46
814.05:477:45
913.95:487:44
1013.95:497:43
1113.95:507:41
1213.85:517:40
1313.85:527:39
1413.75:537:37
1513.75:547:36
1613.75:557:34
1713.65:567:33
1813.65:577:31
1913.55:587:30
2013.55:597:28
2113.46:007:27
2213.46:017:25
2313.46:027:24
2413.36:037:22
2513.36:047:21
2613.26:057:19
2713.26:067:17
2813.16:077:16
2913.16:087:14
3013.16:097:12
3113.06:107:11

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 5.44 kWh/m².

For context, solar energy here swings from a low near 1.56 kWh/m² to a high of 6.28 kWh/m² in June across the year — August's 5.44 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.7Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.6Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.4Bright
175.4Bright
185.4Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.1Bright
305.0Bright
315.0Bright
Planning a trip in August

Is August a good time to visit Fort Wayne?

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

6.6
Sightseeing
2nd-best month of the year
6.6
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Fort Wayne for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Fort Wayne in August

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

In August, Fort Wayne sees daytime highs around 80°F and nights near 63°F. Worth packing: light clothes, rain gear and sun protection. About 10 days see rain.

light clothesrain gearsun protection

UV index in Fort Wayne in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Fort Wayne peaks around June 19 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 19UV 9Dec 20UV 1
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov3Moderate
Dec1Low

Air quality in Fort Wayne 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 Fort Wayne is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1716 µg/m³Oct 228 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar13Moderate
Apr12Moderate
May14Moderate
Jun15Moderate
Jul16Moderate
Aug15Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is Fort Wayne?

Fort Wayne sits at 41.1°N, 85.1°W, 810 ft above sea level, in United States. The nearest listed city is New Haven, 7.5 mi away.

Topography around Fort Wayne

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

Within 2 miles, the terrain around Fort Wayne has only modest variations in elevation — a maximum elevation change of 154 ft around an average of 804 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 394 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 643 ft.

The land around Fort Wayne is covered by artificial surfaces (42%), trees (32%) and grassland (22%) within 2 miles, trees (32%), cropland (29%) and grassland (23%) within 10 miles, and cropland (70%) within 50 miles.

2 miles
154 ft
10 miles
394 ft
50 miles
643 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: New Haven 7.5 mi · Huntington 25 mi · Defiance 42 mi · Goshen 48 mi · Marion 48 mi · Elkhart 58 mi · Lima 60 mi · Mishawaka 65 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 Fort Wayne (41.1306°, -85.1289°, elevation 810 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).