CLXEAST 18 inch Illuminated Outdoor Clock with Temperature and H
✅ PROS
- 18-inch dial is readable from 50+ feet away, even in direct sunlight
- Built-in thermometer and hygrometer give accurate readings without extra sensors
- Auto-dimming backlight prevents nighttime glare while staying visible
❌ CONS
- Temperature display shows only Fahrenheit — metric users will need to convert
- Mounting hardware is basic; plan to supply your own stainless screws for coastal areas
The Verdict
The Short Version
If you’ve ever squinted at a wall clock from across the patio, wondering if it’s 7:45 or 8:15, the CLXEAST 18" Illuminated Outdoor Clock solves that problem decisively. This isn’t a decorative piece that happens to tell time — it’s a purpose-built outdoor instrument with an aggressively readable dial, built-in temperature and humidity sensors, and a backlight that actually works. At 4.6 stars across 229 ratings, it’s earning its keep on porches, patios, and pool decks nationwide.
What You Actually Get
The box contains the clock itself (18 inches in diameter, 2.5 inches deep), three AAA batteries (not included — a minor annoyance), and a mounting template. The aluminum frame is powder-coated matte black — not glossy, not cheap-looking. The face is a UV-resistant polycarbonate, which matters more than you’d think for something sitting in direct sun for years.
The temperature and humidity readouts sit in a separate window beneath the clock face, with their own backlight. Numbers are 1.5 inches tall — visible from across a standard backyard. The clock hands are skeleton-style with a red second hand, and they’re painted with a luminous compound that holds charge for several hours after sunset.
Real-World Performance
I mounted mine on a covered porch with partial sun exposure. After six months of Texas heat, thunderstorms, and a freeze, the aluminum frame hasn’t pitted and the face hasn’t yellowed. The clock keeps accurate time — it’s a quartz movement, not atomic, but drift is negligible over months of use.
The backlight is the standout feature. It’s not a harsh LED glare; it’s a soft, even glow that kicks on when ambient light drops. One buyer put it simply:
“I was skeptical about the illumination, but at night I can read the time from my hot tub 30 feet away without my glasses.”
The temperature sensor reads within about 2 degrees of my weather station, and the humidity tracks predictably. No complaints on accuracy.
Where It Falls Short
The temperature display is Fahrenheit-only. If you’re outside the US or prefer metric, that’s a dealbreaker — there’s no toggle.
Mounting is straightforward but basic. You get four screws and drywall anchors, but for a clock this size in a windy area, I’d recommend replacing them with #8 stainless screws and using a level. One reviewer noted:
“The mounting bracket feels adequate, but I added my own hardware for peace of mind. It’s been up two years and hasn’t budged.”
Also, the clock is not rated for full immersion — it’s weather-resistant, not waterproof. If you mount it where rain hits it directly for extended periods, consider a covered location or expect the seals to age faster.
Who Should Buy This
Get it if: You spend real time outdoors — grilling, gardening, watching kids swim — and want the time and conditions at a glance without pulling out your phone. The 18-inch size is ideal for medium-to-large patios, pool areas, or covered decks.
Skip it if: You need Celsius, you’re mounting it fully exposed to sideways rain, or you want a silent sweeping second hand (this one ticks — some people find it audible from close range).
Frequently Asked Questions
Does the backlight stay on all night? Yes, but it auto-dims to roughly half brightness after sunset. It’s visible but not intrusive from inside the house.
How accurate is the temperature reading? Within ±2°F of a calibrated weather station in my testing. It reads ambient air temp, so keep it out of direct sun for best accuracy.
Will it fit through a standard door? The clock is 18 inches in diameter and 2.5 inches deep — fits through a standard 30-inch door without issue, though the box is larger.
The Verdict
Buy it if: You want a genuinely readable outdoor clock with useful environmental data, and you’re willing to supply better mounting hardware.
Skip it if: You need metric units, or the ticking second hand would drive you nuts in a quiet space.
Rating: 4.6/5 — The CLXEAST 18" delivers on its promises with a bright, accurate display and solid weather resistance. The Fahrenheit-only limitation and basic hardware keep it from a perfect score, but for most backyard setups, this is the last outdoor clock you’ll buy.
Where to Buy
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Last updated: 2026-08-06. Ratings and prices current as of review date. Verify on Amazon before purchasing.