Bestbuy offers TP-Link - Kasa Smart Wi-Fi Outdoor Plug - Black for $17.99 (orig. $29.99) +$5.49 shipping.  Shipping is free with My BestBuy Rewards (free to join).

Product Description:

Connect your indoor and outdoor devices via Wi-Fi with this TP Link Kasa Smart outdoor plug. A range of up to 300 feet eliminates the need for a separate hub or extension cable. This TP Link Kasa Smart outdoor plug allows you to group all devices together for unified control using a smartphone application, while the all-weather covers protect the sockets when not in use.