Best Outdoor Smart Plugs (2026)
Last updated: April 2026 · 3 plugs compared
An outdoor smart plug turns any weatherproof outlet into an automated one — schedule holiday lights to turn on at sunset, automate a patio fountain, or control a landscape spotlight from your phone. They're the easiest entry point into smart home automation and work without any hub or existing smart home system.
The key specs that matter outdoors: IP rating (how waterproof it is), outlet count (two independently controlled outlets vs one), and whether it works with your smart home ecosystem. The Kasa EP40A at $17 is the best value pick — two independently controlled outlets, energy monitoring, and Alexa/Google support for under $20.
What people actually use outdoor smart plugs for
- ✓Holiday lights — schedule sunrise/sunset on/off automatically
- ✓Landscape lighting — automate porch, pathway, or garden lights
- ✓Patio fountain or pond pump — run only during daytime hours
- ✓EV trickle charger — schedule overnight charging at off-peak rates
- ✓Outdoor heater or fan — turn on before you go outside
Our Top Pick
Kasa Smart Outdoor Plug EP40
Best value outdoor smart plug — two independently controlled outlets, IP64 rated
$17
Quick Comparison
| Plug | Price | Outlets | Weather Rating | Ecosystems | Energy Monitoring |
|---|---|---|---|---|---|
| Kasa Smart Outdoor Plug EP40 Top Pick | $17 | 2 (independently controlled) | IP64 (handles direct rain) | Alexa, Google Home | No |
| Meross Smart Outdoor Plug MSS620 | $19 | 2 (independently controlled) | IP44 (splash and light rain resistant) | Alexa, Google Home, Apple HomeKit, SmartThings | No |
| Amazon Smart Plug (Outdoor) | $25 | 1 | Certified for outdoor use | Alexa only | No |
🏆 Best Value Pick
Kasa Smart Outdoor Plug EP40
$17 · ⭐ 4.6/5
Best value outdoor smart plug — two independently controlled outlets, IP64 rated
Key Specs
Pros
- ✓Best outdoor smart plug value at $17 — two independently controlled outlets
- ✓IP64 rated — handles direct rain, not just splash resistance
- ✓No hub required — connects directly to your Wi-Fi
- ✓Kasa connection reliability is among the best in the Wi-Fi plug category
- ✓ETL certified for safety
Cons
- ✗No Apple HomeKit support
- ✗No energy monitoring
- ✗Only works on 2.4GHz Wi-Fi — check your router broadcasts a 2.4GHz network
- ✗Body width can block the second outlet on a standard duplex exterior receptacle
🥈 Best for Apple HomeKit
Meross Smart Outdoor Plug MSS620
$19 · ⭐ 4.4/5
The only budget outdoor plug with Apple HomeKit — two outlets and the widest ecosystem support
Key Specs
Pros
- ✓Only outdoor smart plug with Apple HomeKit support at this price
- ✓Widest ecosystem support of any outdoor plug: Alexa, Google, HomeKit, and SmartThings
- ✓Two independently controlled outlets at $19
- ✓No hub required — straightforward Wi-Fi setup
- ✓Integrates cleanly with iOS Shortcuts and HomeKit automations
Cons
- ✗IP44 rated — handles splashing but avoid prolonged direct rain exposure
- ✗No energy monitoring
- ✗Meross has less customer service infrastructure than Kasa
- ✗App is functional but less polished than the Kasa app
🥉 Best for Alexa-Only Homes
Amazon Smart Plug (Outdoor)
$25 · ⭐ 4.3/5
The simplest Alexa outdoor plug — zero friction for existing Echo households
Key Specs
Pros
- ✓Absolute simplest setup — discovers in Alexa automatically in under 60 seconds
- ✓Deep Alexa integration: works in routines, groups, and Alexa Hunches
- ✓No extra app needed if you already use the Alexa app
- ✓Amazon reliability and customer service backing
- ✓Frequently on sale for $15–$18
Cons
- ✗Only one outlet
- ✗Alexa-only — no Google Home or HomeKit support
- ✗No energy monitoring
- ✗More expensive per outlet than Kasa or Meross
Buying Guide: Outdoor Smart Plugs
What do IP ratings mean?
IP (Ingress Protection) ratings have two digits: the first is dust protection (0–6), the second is water protection (0–8). IP44 means protected against objects larger than 1mm and against water splashing from any direction — suitable for covered outdoor use. IP64 means fully dust-tight and protected against water splashing — suitable for exposed outdoor use. For most outdoor plug applications (porch, patio, yard), IP64 is the more reliable choice. IP44 is fine under an overhang but shouldn't be exposed to direct rain.
Two independently controlled outlets vs one
The Kasa EP40A and Meross both have two outlets that can be controlled separately — you can put holiday lights on outlet 1 (schedule sunset to 11pm) and a patio heater on outlet 2 (manual control only). The Amazon Outdoor Plug has one outlet. For most use cases, two independently controlled outlets are more flexible and worth the similar price — the Kasa at $17 is essentially the same cost as the Amazon plug at $25 with less capability.
Do outdoor smart plugs work in freezing temperatures?
All three picks are rated for temperatures from -4°F to 122°F (-20°C to 50°C), covering any North American climate. Cold weather reduces Wi-Fi signal strength slightly, and temperatures below 14°F (-10°C) can affect electronics if sustained. None of these plugs have internal heating — they rely on the electronics tolerating cold. In practice, they work reliably in all but the most extreme cold snaps. If you're in northern Minnesota or Canada, bring them indoors during extended extreme cold.
Frequently Asked Questions
Do outdoor smart plugs need to stay plugged in all year?
No — you can unplug and store them seasonally. The plug retains its programming and will reconnect to Wi-Fi automatically when replugged. If you leave them installed year-round, any IP64+ rated plug handles rain, snow, and temperature swings without issue. The Kasa EP40A is small enough that you can leave it installed on a covered porch outlet permanently without blocking the adjacent outlet.
Can I use an outdoor smart plug with a GFCI outlet?
Yes — GFCI (Ground Fault Circuit Interrupter) outlets, which are required by code near water in garages, outdoors, and bathrooms, work normally with smart plugs. Just plug the smart plug into the GFCI outlet as you would any device. If the GFCI trips, the smart plug loses power and goes offline until the GFCI is reset. This is expected behavior, not a compatibility issue.
What's the maximum wattage for outdoor smart plugs?
All three picks are rated for 15A / 1800W — the same as a standard household outlet. This is plenty for holiday lights (150W), landscape lighting (100W), patio heaters (up to 1500W), and fountain pumps (under 100W). Do not use these plugs with electric lawn equipment, shop tools, or other high-draw devices without checking the device's wattage first. The Kasa EP40A's energy monitoring will tell you exactly how much power each outlet is drawing.