Cuyahoga Valley National Park weather in August

August in Cuyahoga Valley National Park: hot, rainy, with muggy air — a great time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Cuyahoga Valley National Park🇺🇸 United States · Great Lakes & Midwest · National park77
  1. 55Jan
  2. 64Feb
  3. 72Mar
  4. 82Apr
  5. 90May
  6. 80Jun
  7. 74Jul
  8. 77Aug
  9. 86Sep
  10. 85Oct
  11. 71Nov
  12. 62Dec

#6 of 12 months in Cuyahoga Valley National Park · #758 of 1413 destinations to visit in August · comfort 77/100 (tier B)

Days
27°C
Nights
17°C
Wet days
10
Sun
11.4 h
Humidity
76%
Daylight
14 h
Cuyahoga Valley National Park, United States
Photo: Alex Moliski · Pexels

Traveller notes on Cuyahoga Valley National Park in August

Notes from nearby Cleveland (28 km away)

Cuyahoga Valley National Park doesn't have its own notes for August yet — these are about Cleveland, close enough to share the season.

Regulars planning a day at Cedar Point or similar outdoor attractions build in a buffer for the afternoon specifically, since a thunderstorm rolling through between roughly 2 and 6pm is common enough to plan around rather than treat as bad luck. Our row backs the warm, humid read, 27.1C reading as a real 29C at 76.9 percent humidity, over 20.1C nights, with 84.5mm of rain across 8.5 days. Regulars describe these storms as usually brief and intense rather than an all-day washout, so a delayed start or a covered break tends to be enough to ride one out. The record: 11.6 hours of sun, a 16.8 kph wind and AQI 55.
AfternoonStormsLikeClockworkTwoToSix · August · 1 month ago · about Cleveland · Read more on Tripadvisor ↗

Other months in Cuyahoga Valley National Park

Cuyahoga Valley-forum threads on a March visit describe this as genuinely the start of the awakening season, posters naming wildflowers and increasingly active wildlife as real signs of spring arriving. Regulars call waterfall viewing genuinely at its best during spring snowmelt, several posters naming flow that rivals bigger, more mainstream parks this time of year. Posters call Buttermilk Falls genuinely hard to reach in March, several regulars naming water crossings as a real obstacle for anyone trying to get close. Regulars call Brandywine Falls and Blue Hen Falls the two real standouts, several threads naming Brandywine's sixty-foot drop and Blue Hen's smaller fifteen-foot version as both worth the visit. Posters recommend real waterproof boots for a March trip, several regulars calling this standard given how muddy trails get near the falls this time of year. The record: 9.2C days, -1.1C nights, an extraordinarily high 92.4mm across 12 days and 68 percent humidity.
CuyahogaValleyMarchRegular · March · 1 month ago · Read more on Tripadvisor ↗
Cuyahoga Valley-forum threads on a February visit call this a genuinely quiet stretch, posters noting the sun setting around five in the evening as a real factor limiting how much can be packed into a single winter day. Regulars call Brandywine Falls still worth the hike in February despite the cold, real ice formations sometimes adding a distinctive winter look to the falls. Posters recommend the Ledges Trail and Ice Box Cave as solid February picks, both considered genuinely atmospheric this time of year. Regulars call spring, when snowmelt boosts the waterfalls, generally regarded as the strongest season for the falls specifically, October reserved instead for fall foliage photography. Posters recommend real winter layers and traction devices for icy trail sections, February conditions here capable of turning slick fast. The record: 4C days feeling like 2C, -4.9C nights, an extraordinarily high 69.1mm across nearly 10 days and 72 percent humidity.
CuyahogaValleyFebruaryRegular · February · 1 month ago · Read more on Tripadvisor ↗
Cuyahoga Valley-forum threads on a late-July or early-August visit describe camping as genuinely worth reserving ahead, posters calling this a popular window for families combining a stay with the Towpath Trail and wildlife viewing. Regulars call the Towpath the park's real spine, a flat, easy route for biking or walking connecting most of the major attractions. Posters recommend checking Blossom Music Center's summer concert schedule, outdoor shows a real draw for anyone in the area on a given weeknight. Regulars describe wildlife sightings as genuinely common along the river corridor, deer and herons both frequently reported. Posters call bike rentals near the visitor center a real convenience, no need to bring gear for a Towpath ride. Regulars recommend real sun protection and water for a full day outdoors given the humidity. The record: 28C days feeling like 31C, 17.6C nights, an extraordinarily high 115.8mm across nearly 10 days and 75 percent humidity.
CuyahogaValleyJulyRegular · July · 1 month ago · Read more on Tripadvisor ↗
Cuyahoga Valley-forum reviews on a January visit call the park genuinely charming under real winter conditions, Brandywine Falls' boardwalk singled out for the icicles that build along its edges this time of year. Posters describe several trails as staying accessible with the right boots, the Gorge Loop and Blue Hen Falls both named as manageable winter hikes. Regulars call ice a real hazard on rockier sections, proper traction worth carrying regardless of how the trailhead looks. Posters describe the visitor centers as running shorter winter hours, worth checking before building a day around a specific stop. Regulars recommend nearby Mohican and Malabar Farm state parks as a genuine alternative for sledding, cross-country skiing and ice skating if conditions here turn unfavorable. Posters call the thinned-out winter crowds a real upside for a quieter visit. The record: 1.1C days feeling like -3C, -5.5C nights, a notably high 26.2cm of fresh accumulation and 75 percent humidity.
CuyahogaValleyJanuaryRegular · January · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Cuyahoga Valley National Park's card on the map.

Cuyahoga Valley National Park climate normals — August

Daytime high27°C / 80°F🥵 hot
Nighttime low17°C / 62°F
Feels like (high)29°C / 84°F
Rainfall103 mm / 4 in🌧 rainy
Rainy days10 days
Humidity76%💦 very humid
Dew point17°C / 63°F
Sunshine11.4 h/day
Daylight13.8 h
Wind14 km/h / 8 mph
Air quality (US AQI)53🙂 moderate

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Cuyahoga Valley National Park in August

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsBlossom Music Center season, Summer break in United States, school holidays in 2 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Cuyahoga Valley National Park's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherCuyahoga Valley National Park's best weather comes in May, September and October — separate windows, not one continuous season.

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Best weatherFair weatherToughest weather

What's on in Cuyahoga Valley National Park in August

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Opening

    Explorer train season

    23 May – 7 Sep · usuallySummer season opens

    From late May to Labor Day you can walk or ride the Towpath one way and flag the scenic railroad down at any of the eight depots to get back, no booking, a few dollars. It runs Wednesday to Sunday and it is the best way to use the valley. Source ↗

  • Opening

    Blossom Music Center season

    15 Jun – 10 Sep · usuallySummer season opensCrowded

    The Cleveland Orchestra's summer home sits inside the park boundary, and lawn tickets are the cheap way in. Traffic out of the site after a big show clogs the park roads for an hour. Source ↗

What's on around the world in August →

Nearby, and something's on

Within 300 km of Cuyahoga Valley National Park — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Cuyahoga Valley National Park?

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Cuyahoga Valley National Park in August — FAQ

Is August a good time to visit Cuyahoga Valley National Park?
August in Cuyahoga Valley National Park: hot, rainy, with muggy air — a great time to visit. It ranks #6 of 12 months for Cuyahoga Valley National Park on SeasonMap's comfort score (77/100).
What is the weather like in Cuyahoga Valley National Park in August?
In August, Cuyahoga Valley National Park averages a daily high of 26.8°C and a low of 16.5°C, with about 102.7 mm of rain over roughly 10.2 rainy days.
What is the air quality in Cuyahoga Valley National Park in August?
Cuyahoga Valley National Park has a mean US Air Quality Index of about 53 in August.

Within 300 km: Cleveland's Feast of the Assumption on 13–16 Aug, and Detroit's Detroit Jazz Festival around 30 Aug – 8 Sep.